{"title":"YSI Water Quality Instruments","description":"\u003cp\u003eYSI handheld and benchtop water quality instruments: ProDSS, ProQuatro, ProSolo, ProSwap and Pro Series meters, TruLab and MultiLab benchtops, turbidimeters and photometers. Colorimetry reagents are stocked under Water Quality › Colorimetry.\u003c\/p\u003e","products":[{"product_id":"ysi-proquatro-single-multiparameter-meters","title":"YSI ProQuatro Multiparameter Meter","description":"\u003cp data-end=\"838\" data-start=\"313\"\u003eThe YSI ProQuatro Portable Multiparameter Water Quality Meter is a rugged, field-ready water quality monitoring solution engineered for environmental professionals, water resource managers, and research scientists. Designed for comprehensive water quality analysis in groundwater, surface water, coastal, agricultural, and environmental compliance applications, the ProQuatro combines portability, durability, and expansive measurement flexibility into a single handheld platform.\u003c\/p\u003e\n\u003cp data-end=\"1266\" data-start=\"840\"\u003eThis versatile meter supports an array of sensor combinations, allowing simultaneous measurement of dissolved oxygen (DO), pH, conductivity, salinity, specific conductance, TDS, ORP, temperature, and ion-selective parameters such as ammonium, nitrate, and chloride, giving precise insights for environmental baseline studies, regulatory compliance sampling, and routine field monitoring.\u003c\/p\u003e\n\u003cp data-end=\"1540\" data-start=\"1268\"\u003ePerfect for field use with its impact-resistant, waterproof (IP-67) handheld design, intuitive graphic display, and robust data logging, the ProQuatro is ideal for agencies, labs, consultants, and industrial water quality programs.\u003c\/p\u003e\n\u003cp data-end=\"1540\" data-start=\"1268\"\u003e\u003cstrong\u003eChoose your Meter and Cable below. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1540\" data-start=\"1268\"\u003e\u003cstrong\u003e\u003cstrong data-end=\"1098\" data-start=\"1040\"\u003eNeed a replacement probe or parameter-specific sensor?\u003c\/strong\u003e\u003cbr data-end=\"1101\" data-start=\"1098\"\u003e\u003c\/strong\u003eExplore \u003ca rel=\"noopener\" title=\"YSI Pro Series pH\/ORP Sensors\" href=\"https:\/\/envirotechonline.com\/products\/ysi-pro-series-ph-orp-sensors\" target=\"_blank\"\u003epH\/ORP Sensors\u003c\/a\u003e, \u003ca rel=\"noopener\" title=\"YSI Pro Series DO Sensors\" href=\"https:\/\/envirotechonline.com\/products\/ysi-pro-series-do-sensors\" target=\"_blank\"\u003eDO Sensors\u003c\/a\u003e, or \u003ca rel=\"noopener\" title=\"YSI ProQuatro ISE \u0026amp; Specialty Sensors\" href=\"https:\/\/envirotechonline.com\/products\/ysi-proquatro-ise-specialty-sensors\" target=\"_blank\"\u003eISE \u0026amp; Specialty Sensors\u003c\/a\u003e to find compatible sensors — or browse the full \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\" title=\"YSI Parts and Accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp data-start=\"897\" data-end=\"1036\"\u003e\u003cstrong data-start=\"1040\" data-end=\"1098\"\u003eNeed a Flow Cell or other accessories?\u003c\/strong\u003e\u003cbr data-start=\"1098\" data-end=\"1101\"\u003eExplore the \u003ca rel=\"noopener\" title=\"YSI ProQuatro Accessories\" href=\"https:\/\/envirotechonline.com\/products\/ysi-proquatro-accessories?_pos=1\u0026amp;_sid=844cf7e3c\u0026amp;_ss=r\" target=\"_blank\"\u003eProQuatro Accessories page \u003c\/a\u003e\u003c\/p\u003e\n\u003cp data-start=\"752\" data-end=\"1303\"\u003e \u003c\/p\u003e\n\u003c!--Specifications\/Manual button links  --\u003e\n\u003cdiv style=\"border: 1px solid lightgray; text-align: center; width: 100%; padding: 12px;\"\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/pdf\/water_quality\/ysi_proquatro_meter.pdf\" style=\"font-size: 15px;\" target=\"_blank\"\u003eSPECS\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid lightgray; text-align: center; width: 100%; padding: 12px;\"\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/Manuals\/YSI_Manuals\/YSI_ProQuatro_User_Manual_English.pdf\" style=\"font-size: 15px;\" target=\"_blank\"\u003eMANUAL\u003c\/a\u003e\u003c\/div\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"ProQuatro Multiparameter Meter - 606950 \/ None","offer_id":45759490425022,"sku":"72103425","price":1460.0,"currency_code":"USD","in_stock":true},{"title":"ProQuatro Multiparameter Meter - 606950 \/ Pro Series Lab pH Sensor with 1 M cable - 605107","offer_id":45759490457790,"sku":"72103425 + 605107","price":1719.0,"currency_code":"USD","in_stock":true},{"title":"ProQuatro Multiparameter Meter - 606950 \/ Pro Series Lab ORP (Redox) Sensor with 1 M Cable - 605108","offer_id":45759490490558,"sku":"72103425 + 605108","price":1736.0,"currency_code":"USD","in_stock":true},{"title":"ProQuatro Multiparameter Meter - 606950 \/ Pro Series Lab pH Sensor with 4 M cable - 605177","offer_id":45759490523326,"sku":"72103425 + 605177","price":1736.0,"currency_code":"USD","in_stock":true},{"title":"ProQuatro Multiparameter Meter - 606950 \/ Pro Series Lab ORP (Redox) Sensor with 4 M Cable - 605178","offer_id":45759490556094,"sku":"72103425 + 605178","price":1783.0,"currency_code":"USD","in_stock":true},{"title":"ProQuatro Multiparameter Meter - 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Pro Series BOD Probe - 605780","offer_id":45759492784318,"sku":"605780","price":1012.0,"currency_code":"USD","in_stock":true},{"title":"None \/ Pro Series DO Cable - 100 m - 60520-100","offer_id":45759492817086,"sku":"60520-100","price":1048.0,"currency_code":"USD","in_stock":true},{"title":"None \/ Pro Series DO\/Conductivity Sensor with 10 M Cable - 6052030-10","offer_id":45759492849854,"sku":"6052030-10","price":1053.0,"currency_code":"USD","in_stock":true},{"title":"None \/ Pro Series pH\/ORP\/ISE and Conductivity Cable - 30 m - 6051030-30","offer_id":45759492882622,"sku":"6051030-30","price":1072.0,"currency_code":"USD","in_stock":true},{"title":"None \/ Pro Series Dual pH\/ORP\/ISE Cable - 20 m - 6051010-20","offer_id":45759492915390,"sku":"12103426","price":1100.0,"currency_code":"USD","in_stock":true},{"title":"None \/ Pro Series Dual pH\/ORP\/ISE Cable - 30 m - 6051010-30","offer_id":45759492948158,"sku":"12103427","price":1259.0,"currency_code":"USD","in_stock":true},{"title":"None \/ Pro Series DO\/Conductivity Sensor with 30 M Cable - 6052030-30","offer_id":45759492980926,"sku":"6052030-30","price":1290.0,"currency_code":"USD","in_stock":true},{"title":"None \/ Pro Series pH\/ORP\/ISE and DO Cable - 30 m - 6051020-30","offer_id":45759493013694,"sku":"6051020-30","price":1295.0,"currency_code":"USD","in_stock":true},{"title":"None \/ Pro Quatro Cable with Conductivity\/Temperature Sensor 1M - 605790-1","offer_id":45759493046462,"sku":"12103478","price":1913.0,"currency_code":"USD","in_stock":true},{"title":"None \/ Pro Quatro Cable with Conductivity\/Temperature Sensor 4M -  605790-4","offer_id":45759493079230,"sku":"12103480","price":1961.0,"currency_code":"USD","in_stock":true},{"title":"None \/ Pro Quatro Cable with Conductivity\/Temperature Sensor 10M - 605790-10","offer_id":45759493111998,"sku":"12103481","price":2042.0,"currency_code":"USD","in_stock":true},{"title":"None \/ Pro Quatro Cable with Conductivity\/Temperature Sensor 30M - 605790-30","offer_id":45759493144766,"sku":"12103483","price":2542.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/ProQuatro_HH.png?v=1767718549"},{"product_id":"ysi-proquatro-accessories","title":"YSI ProQuatro Accessories","description":"\u003cp\u003eYSI ProQuatro Accessories are designed to support reliable, efficient field water quality monitoring across environmental, regulatory, and industrial applications. From flow cells and carrying cases, these accessories help extend the life of your equipment, improve data accuracy, and streamline field workflows.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLooking for the complete instrument?\u003c\/strong\u003e\u003cbr\u003eVisit the \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-proquatro-single-multiparameter-meters\" title=\"YSI ProQuatro Single and Multiparameter Meter\" rel=\"noopener\" target=\"_blank\"\u003eProQuatro Meter \u0026amp; Cable page\u003c\/a\u003e to purchase the handheld unit and cable assemblies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNeed a replacement probe or parameter-specific sensor?\u003c\/strong\u003e\u003cbr\u003eExplore the \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-proquatro-sensors\" title=\"YSI ProQuatro Sensors\" rel=\"noopener\" target=\"_blank\"\u003eProQuatro Sensors page\u003c\/a\u003e to find compatible DO, pH, conductivity, ORP, and ISE sensors.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"Flow Cell","offer_id":45760810647742,"sku":"12103494","price":544.0,"currency_code":"USD","in_stock":true},{"title":"Hard Carry Case","offer_id":45760810680510,"sku":"12103062","price":409.0,"currency_code":"USD","in_stock":true},{"title":"Soft Carry Case","offer_id":45760810713278,"sku":"12103459","price":189.0,"currency_code":"USD","in_stock":true},{"title":"Hard Case + Flow Cell","offer_id":45760810746046,"sku":"12103494 + 12103062","price":953.0,"currency_code":"USD","in_stock":true},{"title":"Soft Case + Flow Cell","offer_id":45760810778814,"sku":"12103494 + 12103459","price":733.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/ProQuatro_Kit.jpg?v=1767718548"},{"product_id":"ysi-pro-series-10-temp-ph-or-orp-meter","title":"YSI PRO Series 10 - Temp, pH or ORP Meter","description":"\u003cp\u003eThe YSI Pro10 is a rugged, waterproof handheld meter that measures temperature alongside pH or ORP (redox). IP-67 waterproof and drop-tested, it's built for field spot-checks and compliance-related measurements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstrument only.\u003c\/strong\u003e Pair with a Pro Series 10 field cable (1, 4, 10, or 30 meter) — available with a built-in pH\/ORP ISE\/Temp sensor, or with a separate lab-grade pH or ORP electrode. Select your configuration below, or shop cables and sensors separately in the \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"Pro 10 - 6050010 \/ None","offer_id":45958253674686,"sku":"72103401","price":715.0,"currency_code":"USD","in_stock":true},{"title":"Pro 10 - 6050010 \/ pH\/ORP - ISE\/Temp Cable - 1m - 60510-1","offer_id":45957868093630,"sku":"72103401 + 121034306","price":1083.0,"currency_code":"USD","in_stock":true},{"title":"Pro 10 - 6050010 \/ pH\/ORP - ISE\/Temp Cable - 4m - 60510-4","offer_id":45957868126398,"sku":"72103401 + 12103407","price":1083.0,"currency_code":"USD","in_stock":true},{"title":"Pro 10 - 6050010 \/ pH\/ORP - ISE\/Temp Cable - 10m - 60510-10","offer_id":45957868159166,"sku":"72103401 + 12103408","price":1140.0,"currency_code":"USD","in_stock":true},{"title":"Pro 10 - 6050010 \/ pH\/ORP - ISE\/Temp Cable - 30m - 60510-30","offer_id":45957868191934,"sku":"72103401 + 12103410","price":1369.0,"currency_code":"USD","in_stock":true},{"title":"Pro 10 - 6050010 \/ pH\/Temp - w\/ lab grade pH electrode - 1m - MS connector - 605107","offer_id":45957868224702,"sku":"72103401 + 12103400","price":974.0,"currency_code":"USD","in_stock":true},{"title":"Pro 10 - 6050010 \/ pH\/Temp - w\/ lab grade electrode - 4m - MS connector - 605177","offer_id":45957868257470,"sku":"72103401  + 12103401","price":991.0,"currency_code":"USD","in_stock":true},{"title":"Pro 10 - 6050010 \/ ORP\/Temp - w\/ lab grade electrode - 1m - MS connector - 605108","offer_id":45957868290238,"sku":"72103401 + 12103402","price":991.0,"currency_code":"USD","in_stock":true},{"title":"Pro 10 - 6050010 \/ ORP\/Temp - w\/ lab grade electrode - 4m - MS connector - 605178","offer_id":45957868323006,"sku":"72103401 + 12103403","price":1038.0,"currency_code":"USD","in_stock":true},{"title":"None \/ pH\/ORP - ISE\/Temp Cable - 1m - 60510-1","offer_id":45957868355774,"sku":"12103406","price":368.0,"currency_code":"USD","in_stock":true},{"title":"None \/ pH\/ORP - ISE\/Temp Cable - 4m - 60510-4","offer_id":45957868388542,"sku":"12103407","price":368.0,"currency_code":"USD","in_stock":true},{"title":"None \/ pH\/ORP - ISE\/Temp Cable - 10m - 60510-10","offer_id":45957868421310,"sku":"12103408","price":425.0,"currency_code":"USD","in_stock":true},{"title":"None \/ pH\/ORP - ISE\/Temp Cable - 30m - 60510-30","offer_id":45957868454078,"sku":"12103410","price":654.0,"currency_code":"USD","in_stock":true},{"title":"None \/ pH\/Temp - w\/ lab grade pH electrode - 1m - MS connector - 605107","offer_id":45957868486846,"sku":"12103400","price":258.0,"currency_code":"USD","in_stock":true},{"title":"None \/ pH\/Temp - w\/ lab grade electrode - 4m - MS connector - 605177","offer_id":45957868519614,"sku":"12103401","price":276.0,"currency_code":"USD","in_stock":true},{"title":"None \/ ORP\/Temp - w\/ lab grade electrode - 1m - MS connector - 605108","offer_id":45957868552382,"sku":"12103402","price":276.0,"currency_code":"USD","in_stock":true},{"title":"None \/ ORP\/Temp - w\/ lab grade electrode - 4m -MS connector - 605178","offer_id":45957868585150,"sku":"12103403","price":323.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/YSI-Pro10-Sampling-Handheld.jpg?v=1783615334"},{"product_id":"ysi-prodss-multiparameter-water-quality-meter","title":"YSI ProDSS Multiparameter Water Quality Meter","description":"\u003cp\u003eThe YSI ProDSS is a high-performance portable multiparameter water quality instrument engineered for comprehensive environmental sampling and field testing. Unlike single-parameter meters, the ProDSS handheld platform lets you connect up to four smart digital sensors simultaneously, measuring parameters such as dissolved oxygen, pH, conductivity, turbidity, algae indicators, salinity, and more. Designed for rugged use in surface water, groundwater, coastal, wastewater, and aquaculture environments, this customizable system provides reliable data with expandable cable options and smart sensor recognition.\u003c\/p\u003e\n\u003cp\u003eChoose your Meter and Cables below.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible ProDSS Smart Sensors\u003c\/strong\u003e (sold separately, mix and match up to 4):\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" border=\"1\" cellpadding=\"6\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eSensor\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003ePart #\u003c\/th\u003e\n\u003cth style=\"text-align: right;\"\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eODO Optical Dissolved Oxygen Sensor\u003c\/td\u003e\n\u003ctd\u003e626900\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$1,167.48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductivity \u0026amp; Temperature Sensor\u003c\/td\u003e\n\u003ctd\u003e626902\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$821.56\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTurbidity Sensor\u003c\/td\u003e\n\u003ctd\u003e626901\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$1,284.32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Sensor with Module\u003c\/td\u003e\n\u003ctd\u003e626903\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$524.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH\/ORP Sensor with Module\u003c\/td\u003e\n\u003ctd\u003e626904\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$666.08\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmmonium Sensor with Module\u003c\/td\u003e\n\u003ctd\u003e626906\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$666.08\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNitrate Sensor with Module\u003c\/td\u003e\n\u003ctd\u003e626905\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$710.24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChloride Sensor with Module\u003c\/td\u003e\n\u003ctd\u003e626907\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$710.24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Algae-Phycocyanin Sensor (Fresh Water)\u003c\/td\u003e\n\u003ctd\u003e626210\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$3,722.32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Algae-Phycoerythrin Sensor (Salt Water)\u003c\/td\u003e\n\u003ctd\u003e626211\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$3,722.32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eShop all sensors on the \u003ca rel=\"noopener\" title=\"YSI ProDSS Smart Sensors\" href=\"https:\/\/envirotechonline.com\/products\/ysi-prodss-smart-sensors\" target=\"_blank\"\u003eProDSS Smart Sensors page\u003c\/a\u003e, or browse the full \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\" title=\"YSI Parts and Accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e for cables, cases, and other accessories.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid lightgray; text-align: center; width: 100%; padding: 12px;\"\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/pdf\/water_quality\/ysi_prodss.pdf\" style=\"font-size: 15px;\" target=\"_blank\"\u003eSPECS\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid lightgray; text-align: center; width: 100%; padding: 12px;\"\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/Manuals\/YSI_Manuals\/YSI_ProDIGITAL_UserManual.pdf\" style=\"font-size: 15px;\" target=\"_blank\"\u003eMANUAL\u003c\/a\u003e\u003c\/div\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"ProDSS Multiparameter Meter - No GPS - 626870-1 \/ None","offer_id":46000904405182,"sku":"72103410","price":2154.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS Multiparameter Meter - No GPS - 626870-1 \/ DSS - 1M - 4 port Cable Assembly - No Depth - 626909-1","offer_id":46000904437950,"sku":"72103410 + 12103517","price":4428.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS Multiparameter Meter - No GPS - 626870-1 \/ DSS - 4M - 4 port Cable Assembly - No Depth - 626909-4","offer_id":46000904470718,"sku":"72103410 + 12103518","price":4515.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS Multiparameter Meter - No GPS - 626870-1 \/ DSS - 10M - 4 port Cable Assembly - No Depth - 626909-10","offer_id":46000904503486,"sku":"72103410 + 12103519","price":4559.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS Multiparameter Meter - No GPS - 626870-1 \/ DSS - 20M - 4 port Cable Assembly - No Depth - 626909-20","offer_id":46000904536254,"sku":"72103410 + 12103520","price":4867.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS Multiparameter Meter - No GPS - 626870-1 \/ DSS - 30M - 4 port Cable Assembly - No Depth - 626909-30","offer_id":46000904569022,"sku":"72103410 + 12103521","price":5025.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS Multiparameter Meter - No GPS - 626870-1 \/ DSS - 60M - 4 port Cable Assembly - No Depth - 626909-40","offer_id":46000904601790,"sku":"72103410 + 12103524","price":5445.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS Multiparameter Meter - No GPS - 626870-1 \/ DSS - 4M - 4 port Cable Assembly - With Depth - 626910-4","offer_id":46000904634558,"sku":"72103410 + 12103530","price":5501.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS Multiparameter Meter - No GPS - 626870-1 \/ DSS - 10M - 4 port Cable Assembly - With Depth - 626910-10","offer_id":46000904667326,"sku":"72103410 + 12103531","price":5600.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS Multiparameter Meter - No GPS - 626870-1 \/ DSS - 20M - 4 port Cable Assembly - With Depth - 626911-20","offer_id":46000904700094,"sku":"72103410 + 12103532","price":5798.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS Multiparameter Meter - No GPS - 626870-1 \/ DSS - 30M - 4 port Cable Assembly - With Depth - 626911-30","offer_id":46000904732862,"sku":"72103410 + 12103533","price":5849.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS Multiparameter Meter - No GPS - 626870-1 \/ DSS - 50M - 4 port Cable Assembly - With Depth - 626911-50","offer_id":46000904765630,"sku":"72103410 + 12103535","price":6383.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS Multiparameter Meter - No GPS - 626870-1 \/ DSS - 60M - 4 port Cable Assembly - With Depth - 626911-60","offer_id":46000904798398,"sku":"72103410 + 12103536","price":6466.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS Multiparameter Meter - No GPS - 626870-1 \/ DSS - 90M - 4 port Cable Assembly - With Depth - 626911-90","offer_id":46000904831166,"sku":"72103410 + 12103539","price":6880.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS Multiparameter Meter - No GPS - 626870-1 \/ DSS - 100M - 4 port Cable Assembly - With Depth - 626911-100","offer_id":46000904863934,"sku":"72103410 + 12103540","price":7013.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS Multiparameter Meter - No GPS - 626870-1 \/ ProOBOD Optical BOD Probe - US - 626400","offer_id":46000904896702,"sku":"72103410 + 626400","price":3447.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS Multiparameter Meter - No GPS - 626870-1 \/ ProOBOD Optical BOD Probe - International - 626401","offer_id":46000904929470,"sku":"72103410 + 626401","price":3555.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS multiparameter Meter - GPS Included - 626870-2 \/ None","offer_id":46000904962238,"sku":"72103411","price":2833.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS multiparameter Meter - GPS Included - 626870-2 \/ DSS - 1M - 4 port Cable Assembly - No Depth - 626909-1","offer_id":46000904995006,"sku":"72103411 + 12103517","price":5107.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS multiparameter Meter - GPS Included - 626870-2 \/ DSS - 4M - 4 port Cable Assembly - No Depth - 626909-4","offer_id":46000905027774,"sku":"72103411 + 12103518","price":5195.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS multiparameter Meter - 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GPS Included - 626870-2 \/ DSS - 60M - 4 port Cable Assembly - With Depth - 626911-60","offer_id":46000905355454,"sku":"72103411 + 12103536","price":7145.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS multiparameter Meter - GPS Included - 626870-2 \/ DSS - 90M - 4 port Cable Assembly - With Depth - 626911-90","offer_id":46000905388222,"sku":"72103411 + 12103539","price":7559.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS multiparameter Meter - GPS Included - 626870-2 \/ DSS - 100M - 4 port Cable Assembly - With Depth - 626911-100","offer_id":46000905420990,"sku":"72103411 + 12103540","price":7692.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS multiparameter Meter - GPS Included - 626870-2 \/ ProOBOD Optical BOD Probe - US - 626400","offer_id":46000905453758,"sku":"72103411 + 626400","price":4126.0,"currency_code":"USD","in_stock":true},{"title":"ProDSS multiparameter Meter - GPS Included - 626870-2 \/ ProOBOD Optical BOD Probe - International - 626401","offer_id":46000905486526,"sku":"72103411 + 626401","price":4234.0,"currency_code":"USD","in_stock":true},{"title":"None \/ None","offer_id":46000903848126,"sku":"72103410","price":2154.0,"currency_code":"USD","in_stock":true},{"title":"None \/ DSS - 1M - 4 port Cable Assembly - No Depth - 626909-1","offer_id":46000903880894,"sku":"12103517","price":2274.0,"currency_code":"USD","in_stock":true},{"title":"None \/ DSS - 4M - 4 port Cable Assembly - No Depth - 626909-4","offer_id":46000903913662,"sku":"12103518","price":2362.0,"currency_code":"USD","in_stock":true},{"title":"None \/ DSS - 10M - 4 port Cable Assembly - No Depth - 626909-10","offer_id":46000903946430,"sku":"12103519","price":2405.0,"currency_code":"USD","in_stock":true},{"title":"None \/ DSS - 20M - 4 port Cable Assembly - No Depth - 626909-20","offer_id":46000903979198,"sku":"12103520","price":2713.0,"currency_code":"USD","in_stock":true},{"title":"None \/ DSS - 30M - 4 port Cable Assembly - No Depth - 626909-30","offer_id":46000904011966,"sku":"12103521","price":2871.0,"currency_code":"USD","in_stock":true},{"title":"None \/ DSS - 60M - 4 port Cable Assembly - No Depth - 626909-40","offer_id":46000904044734,"sku":"12103524","price":3292.0,"currency_code":"USD","in_stock":true},{"title":"None \/ DSS - 4M - 4 port Cable Assembly - With Depth - 626910-4","offer_id":46000904077502,"sku":"12103530","price":3348.0,"currency_code":"USD","in_stock":true},{"title":"None \/ DSS - 10M - 4 port Cable Assembly - With Depth - 626910-10","offer_id":46000904110270,"sku":"12103531","price":3447.0,"currency_code":"USD","in_stock":true},{"title":"None \/ DSS - 20M - 4 port Cable Assembly - With Depth - 626911-20","offer_id":46000904143038,"sku":"12103532","price":3644.0,"currency_code":"USD","in_stock":true},{"title":"None \/ DSS - 30M - 4 port Cable Assembly - With Depth - 626911-30","offer_id":46000904175806,"sku":"12103533","price":3696.0,"currency_code":"USD","in_stock":true},{"title":"None \/ DSS - 50M - 4 port Cable Assembly - With Depth - 626911-50","offer_id":46000904208574,"sku":"12103535","price":4229.0,"currency_code":"USD","in_stock":true},{"title":"None \/ DSS - 60M - 4 port Cable Assembly - With Depth - 626911-60","offer_id":46000904241342,"sku":"12103536","price":4312.0,"currency_code":"USD","in_stock":true},{"title":"None \/ DSS - 90M - 4 port Cable Assembly - With Depth - 626911-90","offer_id":46000904274110,"sku":"12103539","price":4726.0,"currency_code":"USD","in_stock":true},{"title":"None \/ DSS - 100M - 4 port Cable Assembly - With Depth - 626911-100","offer_id":46000904306878,"sku":"12103540","price":4859.0,"currency_code":"USD","in_stock":true},{"title":"None \/ ProOBOD Optical BOD Probe - US - 626400","offer_id":46000904339646,"sku":"626400","price":1293.0,"currency_code":"USD","in_stock":true},{"title":"None \/ ProOBOD Optical BOD Probe - International - 626401","offer_id":46000904372414,"sku":"626401","price":1314.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/YSI_proDSS_right.png?v=1769742931"},{"product_id":"ysi-prodss-kit-do-cond-temp-turbidity-ph-orp","title":"YSI ProDSS Kit for Low Flow Sampling","description":"\u003cp\u003eYSI ProDSS kit provides a complete, field-ready solution for multiparameter water quality monitoring. We have combined the ProDSS handheld meter with compatible cables, smart digital sensors, and essential accessories, giving environmental professionals a configurable system designed for reliable data collection in demanding field conditions. Whether monitoring surface water, groundwater, wastewater, or coastal environments, ProDSS kits streamline setup while allowing flexibility as project needs evolve.\u003cstrong data-end=\"999\" data-start=\"964\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-olk-copy-source=\"MessageBody\"\u003eDSS handheld, no GPS\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e4M cable, no depth\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eoptical dissolved oxygen probe\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003econductivity\/temperature probe\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eturbidity probe\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003epH\/ORP probe\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ehard carry case\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eflow cell\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInterested in your own configuration or replacement parts?\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"YSI ProDSS Multiparameter Water Quality Meter\" href=\"https:\/\/envirotechonline.com\/products\/ysi-prodss-multiparameter-water-quality-meter?_pos=7\u0026amp;_sid=90f6374fd\u0026amp;_ss=r\" target=\"_blank\"\u003eProDSS Meter \u0026amp; Cables\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"YSI ProDSS Sensors\" href=\"https:\/\/envirotechonline.com\/products\/ysi-prodss-sensors?_pos=2\u0026amp;_sid=c27ac5109\u0026amp;_ss=r\" target=\"_blank\"\u003eProDSS Sensors\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid lightgray; text-align: center; width: 100%; padding: 12px;\"\u003e\u003ca style=\"font-size: 15px;\" href=\"https:\/\/www.geotechenv.com\/pdf\/water_quality\/ysi_prodss.pdf\" target=\"_blank\"\u003eSPECS\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid lightgray; text-align: center; width: 100%; padding: 12px;\"\u003e\u003ca style=\"font-size: 15px;\" href=\"https:\/\/www.geotechenv.com\/Manuals\/YSI_Manuals\/YSI_ProDIGITAL_UserManual.pdf\" target=\"_blank\"\u003eMANUAL\u003c\/a\u003e\u003c\/div\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"Default Title","offer_id":46030034206910,"sku":"72103410 + 12103518 + 12103541 + 12103542 +12103543 +12103545 + 121203556 + 12103554","price":9549.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/YSI_ProDSS_with_Cable_c89672ca-cc78-42ba-b2a8-c376a9102d14.png?v=1769741923"},{"product_id":"ysi-proquatro-kit-ph-orp-do-cond-temp","title":"YSI ProQuatro Kit for Low Flow Sampling","description":"\u003cp\u003eThe YSI ProQuatro Water Quality Monitoring Kit is a ready-to-deploy field solution for professionals who need dependable, multi-parameter measurements without digital sensor complexity. Built around the ProQuatro handheld, this kit delivers accurate readings for pH, ORP, dissolved oxygen, conductivity, and temperature using proven analog probes and a single-cable design. It’s an ideal choice for routine monitoring, compliance sampling, and long field days where reliability matters most.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-olk-copy-source=\"MessageBody\"\u003eQuatro handheld\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e4M cable with conductivity\/temperature probe\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003epH probe\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eORP probe\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePolarographic dissolved oxygen probe\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHard carrying case\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFlow cell\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eInterested in your own configuration or replacement parts?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-proquatro-single-multiparameter-meters?_pos=2\u0026amp;_sid=ab5406a15\u0026amp;_ss=r\" target=\"_blank\" title=\"YSI ProQuatro Meter and Cables\" rel=\"noopener\"\u003e\u003cspan\u003eProQuatro Meter and Cables\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-proquatro-sensors?_pos=2\u0026amp;_sid=844cf7e3c\u0026amp;_ss=r\" target=\"_blank\" title=\"ProQuatro Sensors\" rel=\"noopener\"\u003e\u003cspan\u003eProQuatro Sensors\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-proquatro-accessories?_pos=1\u0026amp;_sid=844cf7e3c\u0026amp;_ss=r\" target=\"_blank\" title=\"Pro Quatro Accessorries\" rel=\"noopener\"\u003e\u003cspan\u003eProQuatro Accessories\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\n\u003c!--Specifications\/Manual button links  --\u003e\n\u003cdiv style=\"border: 1px solid lightgray; text-align: center; width: 100%; padding: 12px;\"\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/pdf\/water_quality\/ysi_proquatro_meter.pdf\" style=\"font-size: 15px;\" target=\"_blank\"\u003eSPECS\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid lightgray; text-align: center; width: 100%; padding: 12px;\"\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/Manuals\/YSI_Manuals\/YSI_ProQuatro_User_Manual_English.pdf\" style=\"font-size: 15px;\" target=\"_blank\"\u003eMANUAL\u003c\/a\u003e\u003c\/div\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"Default Title","offer_id":46030832763070,"sku":"72103425 + 12103480 + 12103444 + 121203446 + 12103449 + 12103494 + 12103062","price":4933.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/ProQuatro_Kit_482a6297-98dc-4ed2-ada8-5db748b77628.jpg?v=1769743354"},{"product_id":"ysi-pro-series-20","title":"YSI PRO Series 20 - Dissolved Oxygen Meter","description":"\u003cp data-start=\"284\" data-end=\"695\"\u003eThe YSI Pro20 dissolved oxygen meter is built for dependable DO and BOD measurement in demanding field environments while remaining accurate enough for laboratory testing workflows. Designed with durability and usability in mind, the Pro20 supports multiple dissolved oxygen sensor types and provides fast, stable readings for environmental monitoring, wastewater compliance, and research sampling programs.\u003c\/p\u003e\n\u003cp data-start=\"697\" data-end=\"1119\"\u003eThis handheld meter measures dissolved oxygen and temperature and includes features such as internal barometric pressure compensation and rapid calibration functionality to help users collect high-quality data with minimal downtime. If you select a DO\/Temp cable (rather than the self-contained ProBOD probe), you'll also need a DO sensor — sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Sensors\u003c\/strong\u003e (for DO\/Temp cable variants only):\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" border=\"1\" cellpadding=\"6\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eSensor\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003ePart #\u003c\/th\u003e\n\u003cth style=\"text-align: right;\"\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002 Galvanic DO Sensor\u003c\/td\u003e\n\u003ctd\u003e605202\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$231.84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003 Polarographic DO Sensor\u003c\/td\u003e\n\u003ctd\u003e605203\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$231.84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003ePurchase compatible DO probes separately on our \u003ca rel=\"noopener\" title=\"YSI Pro Series DO Sensors\" href=\"https:\/\/envirotechonline.com\/products\/ysi-pro-series-do-sensors\" target=\"_blank\"\u003eYSI Pro Series DO Sensors page\u003c\/a\u003e, or browse the full \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\" title=\"YSI Parts and Accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e for cables and cases.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid lightgray; text-align: center; width: 100%; padding: 12px;\"\u003e\u003ca href=\"https:\/\/www.ysi.com\/File%20Library\/Documents\/Specification%20Sheets\/W2-02-Pro20-Dissolved-Oxygen-Meter-Specifications.pdf\" style=\"font-size: 15px;\" target=\"_blank\"\u003eSPECS\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"Pro 20 - 6050020 \/ None","offer_id":46395737637054,"sku":"72103402","price":771.0,"currency_code":"USD","in_stock":true},{"title":"Pro 20 - 6050020 \/ ProBOD - Do\/Temp 115V stirring BOD Probe - 1M - 605780","offer_id":46395737669822,"sku":"72103402 + 12103411","price":1783.0,"currency_code":"USD","in_stock":true},{"title":"Pro 20 - 6050020 \/ DO\/Temp - 1M -60520-1","offer_id":46395737702590,"sku":"72103402 + 12103412","price":1119.0,"currency_code":"USD","in_stock":true},{"title":"Pro 20 - 6050020 \/ DO\/Temp - 4M - 60520-4","offer_id":46395737735358,"sku":"72103402 + 12103413","price":1119.0,"currency_code":"USD","in_stock":true},{"title":"Pro 20 - 6050020 \/ DO\/Temp - 10M - 60520-10","offer_id":46395737768126,"sku":"72103402 + 12103414","price":1212.0,"currency_code":"USD","in_stock":true},{"title":"Pro 20 - 6050020 \/ DO\/Temp - 30M - 60520-30","offer_id":46395737800894,"sku":"72103402 + 12103416","price":1437.0,"currency_code":"USD","in_stock":true},{"title":"Pro 20 - 6050020 \/ DO\/Temp - 100M - 60520-100","offer_id":46395737833662,"sku":"72103402 + 12103417","price":1819.0,"currency_code":"USD","in_stock":true},{"title":"None \/ ProBOD - Do\/Temp 115V stirring BOD Probe - 1M - 605780","offer_id":46395737931966,"sku":"12103411","price":1012.0,"currency_code":"USD","in_stock":true},{"title":"None \/ DO\/Temp - 1M -60520-1","offer_id":46395737964734,"sku":"12103412","price":348.0,"currency_code":"USD","in_stock":true},{"title":"None \/ DO\/Temp - 4M - 60520-4","offer_id":46395737997502,"sku":"12103413","price":348.0,"currency_code":"USD","in_stock":true},{"title":"None \/ DO\/Temp - 10M - 60520-10","offer_id":46395738030270,"sku":"12103414","price":441.0,"currency_code":"USD","in_stock":true},{"title":"None \/ DO\/Temp - 30M - 60520-30","offer_id":46395738063038,"sku":"12103416","price":666.0,"currency_code":"USD","in_stock":true},{"title":"None \/ DO\/Temp - 100M - 60520-100","offer_id":46395738095806,"sku":"12103417","price":1048.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/YSI-Pro20-Sampling-Handheld.jpg?v=1783615344"},{"product_id":"ysi-pro-series-30-conductivity-salinity-tds-meter","title":"YSI PRO Series 30 - Conductivity, Salinity, TDS Meter","description":"\u003cp\u003eThe YSI Pro30 is a rugged handheld meter for measuring conductivity, specific conductance, salinity, and total dissolved solids (TDS), plus temperature. A super-stable 4-electrode conductivity cell is built directly into the field cable for years of accurate, low-maintenance readings. IP-67 waterproof, 1-meter drop tested, and EPA-approved for drinking water and wastewater compliance reporting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstrument only.\u003c\/strong\u003e Pair with a ProSeries 30-x conductivity field cable (1, 4, 10, or 30 meter) to complete the system — select your cable length below or shop cables separately in the \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\" title=\"YSI Parts and Accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMeasures: Conductivity, Specific Conductance, Salinity, TDS, Temperature\u003c\/li\u003e\n\u003cli\u003e3-year instrument warranty; 2-year cable warranty\u003c\/li\u003e\n\u003cli\u003e50 data set memory, backlit graphic display\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"Instrument Only","offer_id":48100457906366,"sku":"6050030","price":800.0,"currency_code":"USD","in_stock":true},{"title":"+ 1m Cond\/Temp Cable (60530-1)","offer_id":48100457939134,"sku":"6050030 + 60530-1","price":1271.0,"currency_code":"USD","in_stock":true},{"title":"+ 4m Cond\/Temp Cable (60530-4)","offer_id":48100457971902,"sku":"6050030 + 60530-4","price":1273.0,"currency_code":"USD","in_stock":true},{"title":"+ 10m Cond\/Temp Cable (60530-10)","offer_id":48100458004670,"sku":"6050030 + 60530-10","price":1391.0,"currency_code":"USD","in_stock":true},{"title":"+ 30m Cond\/Temp Cable (60530-30)","offer_id":48100458037438,"sku":"6050030 + 60530-30","price":1625.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/YSI-Pro30-Sampling-Handheld.jpg?v=1783614886"},{"product_id":"ysi-pro-series-1030-ph-orp-conductivity-meter","title":"YSI PRO Series 1030 - pH\/ORP, Conductivity Meter","description":"\u003cp\u003eThe YSI Pro1030 is a rugged handheld meter that measures conductivity, specific conductance, salinity, and TDS alongside pH or ORP (redox) and temperature. Its 4-electrode conductivity cell is built into the field cable for years of stable, low-maintenance readings, and the pH\/ORP sensor is user-replaceable. IP-67 waterproof, 1-meter drop tested, and EPA-approved for drinking water and wastewater compliance reporting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstrument only.\u003c\/strong\u003e Requires a ProSeries 1030-x field cable (1, 4, 10, or 30 meter) — select your cable length below — plus a pH or ORP sensor, sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Sensors\u003c\/strong\u003e (one required):\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" border=\"1\" cellpadding=\"6\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eSensor\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003ePart #\u003c\/th\u003e\n\u003cth style=\"text-align: right;\"\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1001 pH Sensor\u003c\/td\u003e\n\u003ctd\u003e605101\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$216.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1002 ORP Sensor\u003c\/td\u003e\n\u003ctd\u003e605102\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$258.52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eShop \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-pro-series-ph-orp-sensors\" title=\"YSI Pro Series pH\/ORP Sensors\"\u003epH\/ORP Sensors\u003c\/a\u003e, or browse the full \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\" title=\"YSI Parts and Accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures: pH or ORP, Conductivity, Specific Conductance, Salinity, TDS, Temperature\u003c\/li\u003e\n\u003cli\u003e3-year instrument warranty; 2-year cable warranty; 1-year sensor warranty\u003c\/li\u003e\n\u003cli\u003e50 data set memory, backlit graphic display\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"Instrument Only","offer_id":48100526457022,"sku":"6051030","price":1111.0,"currency_code":"USD","in_stock":true},{"title":"+ 1m pH\/ORP\/Cond Cable (6051030-1)","offer_id":48100526489790,"sku":"6051030 + 6051030-1","price":1796.0,"currency_code":"USD","in_stock":true},{"title":"+ 4m pH\/ORP\/Cond Cable (6051030-4)","offer_id":48100526522558,"sku":"6051030 + 6051030-4","price":1799.0,"currency_code":"USD","in_stock":true},{"title":"+ 10m pH\/ORP\/Cond Cable (6051030-10)","offer_id":48100526555326,"sku":"6051030 + 6051030-10","price":1913.0,"currency_code":"USD","in_stock":true},{"title":"+ 30m pH\/ORP\/Cond Cable (6051030-30)","offer_id":48100526588094,"sku":"6051030 + 6051030-30","price":2182.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/YSI-Pro1030-Sampling-Handheld.jpg?v=1783614907"},{"product_id":"ysi-pro-series-1020-dissolved-oxygen-ph-orp-meter","title":"YSI PRO Series 1020 - Dissolved Oxygen, pH\/ORP Meter","description":"\u003cp\u003eThe YSI Pro1020 is a rugged handheld meter that measures dissolved oxygen and temperature alongside pH or ORP (redox). Choose a Polarographic DO sensor for long sensor life, or a Galvanic DO sensor for immediate sampling with no warm-up. IP-67 waterproof, 1-meter drop tested, and EPA-approved for drinking water and wastewater compliance reporting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstrument only.\u003c\/strong\u003e Requires a ProSeries 1020-x field cable (1, 4, 10, or 30 meter) — select your cable length below — plus a DO sensor and a pH or ORP sensor, both sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Sensors\u003c\/strong\u003e (one DO + one pH\/ORP required):\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" border=\"1\" cellpadding=\"6\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eSensor\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003ePart #\u003c\/th\u003e\n\u003cth style=\"text-align: right;\"\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002 Galvanic DO Sensor\u003c\/td\u003e\n\u003ctd\u003e605202\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$231.84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003 Polarographic DO Sensor\u003c\/td\u003e\n\u003ctd\u003e605203\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$231.84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1001 pH Sensor\u003c\/td\u003e\n\u003ctd\u003e605101\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$216.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1002 ORP Sensor\u003c\/td\u003e\n\u003ctd\u003e605102\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$258.52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eShop \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-pro-series-do-sensors\" title=\"YSI Pro Series DO Sensors\"\u003eDO Sensors\u003c\/a\u003e, \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-pro-series-ph-orp-sensors\" title=\"YSI Pro Series pH\/ORP Sensors\"\u003epH\/ORP Sensors\u003c\/a\u003e, or browse the full \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\" title=\"YSI Parts and Accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures: Dissolved Oxygen, pH or ORP, Temperature\u003c\/li\u003e\n\u003cli\u003e3-year instrument warranty; 2-year cable warranty; 1-year sensor warranty (6-month Galvanic)\u003c\/li\u003e\n\u003cli\u003e95% DO response in ~8 seconds with standard membrane\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"Instrument Only","offer_id":48100539662526,"sku":"6051020","price":1110.0,"currency_code":"USD","in_stock":true},{"title":"+ 1m pH\/ORP\/DO Cable (6051020-1)","offer_id":48100539695294,"sku":"6051020 + 6051020-1","price":1942.0,"currency_code":"USD","in_stock":true},{"title":"+ 4m pH\/ORP\/DO Cable (6051020-4)","offer_id":48100539728062,"sku":"6051020 + 6051020-4","price":1946.0,"currency_code":"USD","in_stock":true},{"title":"+ 10m pH\/ORP\/DO Cable (6051020-10)","offer_id":48100539760830,"sku":"6051020 + 6051020-10","price":2081.0,"currency_code":"USD","in_stock":true},{"title":"+ 30m pH\/ORP\/DO Cable (6051020-30)","offer_id":48100539793598,"sku":"6051020 + 6051020-30","price":2404.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/YSI-Pro1020-Sampling-Handheld.jpg?v=1783614938"},{"product_id":"ysi-pro-series-2030-dissolved-oxygen-conductivity-meter","title":"YSI PRO Series 2030 - Dissolved Oxygen, Conductivity Meter","description":"\u003cp\u003eThe YSI Pro2030 is a rugged handheld meter that measures dissolved oxygen, conductivity, specific conductance, salinity, TDS, and temperature — with automatic salinity compensation and an internal barometer for the most accurate DO readings. Choose a Polarographic DO sensor for long sensor life, or a Galvanic DO sensor for immediate sampling with no warm-up. IP-67 waterproof, 1-meter drop tested, and EPA-approved for drinking water and wastewater compliance reporting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstrument only.\u003c\/strong\u003e Requires a ProSeries 2030-x field cable (1, 4, 10, or 30 meter) — select your cable length below — plus a DO sensor, sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Sensors\u003c\/strong\u003e (one required):\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" border=\"1\" cellpadding=\"6\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eSensor\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003ePart #\u003c\/th\u003e\n\u003cth style=\"text-align: right;\"\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002 Galvanic DO Sensor\u003c\/td\u003e\n\u003ctd\u003e605202\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$231.84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003 Polarographic DO Sensor\u003c\/td\u003e\n\u003ctd\u003e605203\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$231.84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eShop \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-pro-series-do-sensors\" title=\"YSI Pro Series DO Sensors\"\u003eDO Sensors\u003c\/a\u003e, or browse the full \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\" title=\"YSI Parts and Accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures: Dissolved Oxygen, Conductivity, Salinity, TDS, Barometric Pressure, Temperature\u003c\/li\u003e\n\u003cli\u003e3-year instrument warranty; 2-year cable warranty; 1-year sensor warranty (6-month Galvanic)\u003c\/li\u003e\n\u003cli\u003e95% DO response in ~8 seconds with standard membrane\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"Instrument Only","offer_id":48100552835262,"sku":"6052030","price":1110.0,"currency_code":"USD","in_stock":true},{"title":"+ 1m DO\/Cond Cable (6052030-1)","offer_id":48100552868030,"sku":"6052030 + 6052030-1","price":2014.0,"currency_code":"USD","in_stock":true},{"title":"+ 4m DO\/Cond Cable (6052030-4)","offer_id":48100552900798,"sku":"6052030 + 6052030-4","price":2022.0,"currency_code":"USD","in_stock":true},{"title":"+ 10m DO\/Cond Cable (6052030-10)","offer_id":48100552933566,"sku":"6052030 + 6052030-10","price":2162.0,"currency_code":"USD","in_stock":true},{"title":"+ 30m DO\/Cond Cable (6052030-30)","offer_id":48100552966334,"sku":"6052030 + 6052030-30","price":2400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/YSI-Pro2030-Sampling-Handheld.jpg?v=1783614957"},{"product_id":"ysi-pro-series-20i-dissolved-oxygen-meter-integral-cable-kit","title":"YSI PRO Series 20i - Dissolved Oxygen Meter (Integral Cable Kit)","description":"\u003cp\u003eThe YSI Pro20i is a dissolved oxygen and temperature meter with an integral (non-detachable) field cable — a direct replacement for the discontinued Model 55 and 550A. Every configuration ships complete: handheld, cable, and DO sensor included, so there's nothing else to add. Choose a Polarographic DO sensor for long sensor life, or a Galvanic DO sensor for immediate sampling with no warm-up. IP-67 waterproof, 1-meter drop tested, and EPA-approved for wastewater compliance reporting.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMeasures: Dissolved Oxygen, Temperature\u003c\/li\u003e\n\u003cli\u003eIntegral cable in 1, 4, or 10 meter lengths — instrument, cable, and sensor included\u003c\/li\u003e\n\u003cli\u003e3-year instrument warranty; 2-year cable warranty; 1-year Polarographic \/ 6-month Galvanic sensor warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNeed a carrying case, tripod clamp, or other accessory? Browse the \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\" title=\"YSI Parts and Accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"1 meter \/ Polarographic (2003)","offer_id":48100569219262,"sku":"607130","price":1167.0,"currency_code":"USD","in_stock":true},{"title":"1 meter \/ Galvanic (2002)","offer_id":48100569252030,"sku":"607131","price":1167.0,"currency_code":"USD","in_stock":true},{"title":"4 meter \/ Polarographic (2003)","offer_id":48100569284798,"sku":"607125","price":1244.0,"currency_code":"USD","in_stock":true},{"title":"4 meter \/ Galvanic (2002)","offer_id":48100569317566,"sku":"607129","price":1244.0,"currency_code":"USD","in_stock":true},{"title":"10 meter \/ Polarographic (2003)","offer_id":48100569350334,"sku":"607132","price":1319.0,"currency_code":"USD","in_stock":true},{"title":"10 meter \/ Galvanic (2002)","offer_id":48100569383102,"sku":"607133","price":1319.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/Pro20i-Sampling-Handheld.jpg?v=1783614976"},{"product_id":"ysi-pro-series-ph-orp-sensors","title":"YSI Pro Series pH\/ORP Sensors","description":"\u003cp\u003eUser-replaceable pH, ORP, and combination pH\/ORP sensors for the YSI Pro Series and ProQuatro handhelds. These ISE (ion-selective electrode) sensors thread directly into your instrument's field cable — no tools required.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1001 pH Sensor\u003c\/strong\u003e — standard analog pH electrode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1002 ORP Sensor\u003c\/strong\u003e — oxidation-reduction potential (redox) electrode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1003 pH\/ORP Combo Sensor\u003c\/strong\u003e — combined pH and ORP in one sensor (ProQuatro only; not for use with the Quatro cable or dual ISE\/Temp cable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1001A Amplified pH Sensor\u003c\/strong\u003e — amplified signal for longer cable runs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1001A Amplified pH Sensor Kit\u003c\/strong\u003e — includes required guard extension for 2-port ProSeries cables\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1003A Amplified pH\/ORP Combo Sensor\u003c\/strong\u003e — amplified combo sensor\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with: ProQuatro, Pro10, Pro1020, Pro1030 instruments (check your cable's port configuration for compatibility).\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"1001 pH Sensor","offer_id":48101640274110,"sku":"605101","price":235.0,"currency_code":"USD","in_stock":true},{"title":"1002 ORP Sensor","offer_id":48101640306878,"sku":"605102","price":281.0,"currency_code":"USD","in_stock":true},{"title":"1003 pH\/ORP Combo Sensor","offer_id":48101640339646,"sku":"605103","price":440.0,"currency_code":"USD","in_stock":true},{"title":"1001A Amplified pH Sensor","offer_id":48101640372414,"sku":"605323","price":315.0,"currency_code":"USD","in_stock":true},{"title":"1001A Amplified pH Sensor Kit","offer_id":48101640405182,"sku":"605216","price":358.0,"currency_code":"USD","in_stock":true},{"title":"1003A Amplified pH\/ORP Combo Sensor","offer_id":48101640437950,"sku":"605324","price":507.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/YSI_Pro_Series_1001_pH_Sensor_318d135e-840f-4f3e-bfd1-c299bd19c308.png?v=1783616518"},{"product_id":"ysi-pro-series-do-sensors","title":"YSI Pro Series DO Sensors","description":"\u003cp\u003eUser-replaceable dissolved oxygen sensors for the YSI Pro Series and ProQuatro handhelds.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2002 Galvanic DO Sensor\u003c\/strong\u003e — no warm-up required, start sampling immediately\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2003 Polarographic DO Sensor\u003c\/strong\u003e — longer sensor life, lower overall cost of ownership (requires brief warm-up)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2003B Polarographic DO Sensor\u003c\/strong\u003e — with 2.0 mil PE Blue membrane kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with: ProQuatro, Pro20, Pro20i, Pro1020, Pro2030 instruments.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"2002 Galvanic DO Sensor","offer_id":48101653676222,"sku":"605202","price":252.0,"currency_code":"USD","in_stock":true},{"title":"2003 Polarographic DO Sensor","offer_id":48101653708990,"sku":"605203","price":252.0,"currency_code":"USD","in_stock":true},{"title":"2003B Polarographic DO Sensor (Blue Membrane)","offer_id":48101653741758,"sku":"607203","price":269.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/ysi-pro20-polarographicDOsensor_bc85f5dc-7451-4c48-88ed-1be9f006a88c.png?v=1783616540"},{"product_id":"ysi-proquatro-ise-specialty-sensors","title":"YSI ProQuatro ISE \u0026 Specialty Sensors","description":"\u003cp\u003eIon-selective and specialty sensors for the YSI ProQuatro multiparameter meter and Quatro cable system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1004 Ammonium ISE Sensor (NH4+)\u003c\/strong\u003e — ProQuatro only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1005 Chloride ISE Sensor\u003c\/strong\u003e — ProQuatro only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1006 Nitrate ISE Sensor\u003c\/strong\u003e — ProQuatro only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5560 Conductivity\/Temp Replaceable Probe\u003c\/strong\u003e — for use with the Quatro cable only\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with: ProQuatro instrument and Quatro cable assemblies only.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"1004 Ammonium ISE Sensor","offer_id":48101666783422,"sku":"605104","price":498.0,"currency_code":"USD","in_stock":true},{"title":"1005 Chloride ISE Sensor","offer_id":48101666816190,"sku":"605105","price":531.0,"currency_code":"USD","in_stock":true},{"title":"1006 Nitrate ISE Sensor","offer_id":48101666848958,"sku":"605106","price":498.0,"currency_code":"USD","in_stock":true},{"title":"5560 Conductivity\/Temp Replaceable Probe","offer_id":48101666881726,"sku":"005560","price":618.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/YSI_Pro_series_1004_Ammonium_Sensor_fa5d3ba6-00ff-4537-bdfb-3487f3d8050f.png?v=1783616697"},{"product_id":"ysi-pro-series-10-cable-ph-orp-ise","title":"YSI Pro Series 10 Cable (pH\/ORP\/ISE)","description":"\u003cp\u003eField cable assembly for the YSI Pro10 and ProQuatro instruments, with built-in temperature sensing and a port for a pH, ORP, or ISE sensor (sold separately).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Sensors\u003c\/strong\u003e (one required):\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" border=\"1\" cellpadding=\"6\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eSensor\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003ePart #\u003c\/th\u003e\n\u003cth style=\"text-align: right;\"\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1001 pH Sensor\u003c\/td\u003e\n\u003ctd\u003e605101\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$216.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1002 ORP Sensor\u003c\/td\u003e\n\u003ctd\u003e605102\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$258.52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1003 pH\/ORP Combo Sensor (ProQuatro only)\u003c\/td\u003e\n\u003ctd\u003e605103\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$404.80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1001A Amplified pH Sensor\u003c\/td\u003e\n\u003ctd\u003e605323\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$289.80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eShop all sensors on the \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-pro-series-ph-orp-sensors\" title=\"YSI Pro Series pH\/ORP Sensors\"\u003eYSI Pro Series pH\/ORP Sensors page\u003c\/a\u003e, or browse the full \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\" title=\"YSI Parts and Accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eAvailable in 1, 4, 10, or 30 meter lengths with rugged military-spec (MS) connectors.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"1 meter","offer_id":48101676744894,"sku":"60510-1","price":387.0,"currency_code":"USD","in_stock":true},{"title":"4 meter","offer_id":48101676777662,"sku":"60510-4","price":387.0,"currency_code":"USD","in_stock":true},{"title":"10 meter","offer_id":48101676810430,"sku":"60510-10","price":447.0,"currency_code":"USD","in_stock":true},{"title":"30 meter","offer_id":48101676843198,"sku":"60510-30","price":688.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/prev_YSI-10-Cable-600x600.jpg?v=1783616726"},{"product_id":"ysi-pro-series-lab-grade-combination-electrodes","title":"YSI Pro Series Lab-Grade Combination Electrodes","description":"\u003cp\u003eLaboratory-grade single-junction combination electrodes for the YSI Pro10 and ProQuatro instruments. Unlike the standard field cable, these combine the cable and sensor into one lab-grade electrode assembly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003epH\/Temp electrode\u003c\/strong\u003e (1007 series) — for Pro10 and ProQuatro\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eORP\/Temp electrode\u003c\/strong\u003e (1008 series) — for Pro10 and ProQuatro\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH\/ORP\/Temp combo electrode\u003c\/strong\u003e (1009 series) — ProQuatro only\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in 1 or 4 meter lengths with MS connectors.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"pH\/Temp \/ 1 meter","offer_id":48101683462334,"sku":"605107","price":272.0,"currency_code":"USD","in_stock":true},{"title":"pH\/Temp \/ 4 meter","offer_id":48101683495102,"sku":"605177","price":290.0,"currency_code":"USD","in_stock":true},{"title":"ORP\/Temp \/ 1 meter","offer_id":48101683527870,"sku":"605108","price":290.0,"currency_code":"USD","in_stock":true},{"title":"ORP\/Temp \/ 4 meter","offer_id":48101683560638,"sku":"605178","price":340.0,"currency_code":"USD","in_stock":true},{"title":"pH\/ORP\/Temp Combo (ProQuatro only) \/ 1 meter","offer_id":48101683593406,"sku":"605109","price":435.0,"currency_code":"USD","in_stock":true},{"title":"pH\/ORP\/Temp Combo (ProQuatro only) \/ 4 meter","offer_id":48101683626174,"sku":"605179","price":465.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/logo_0b41ae0f-8747-4fe1-967f-84d9fdeac2cd.png?v=1784935480"},{"product_id":"ysi-pro-series-20-cable-do","title":"YSI Pro Series 20 Cable (DO)","description":"\u003cp\u003eField cable assembly for the YSI Pro20 and ProQuatro instruments, with built-in temperature sensing and a port for a dissolved oxygen sensor (sold separately). Also available as a self-stirring ProBOD probe for lab BOD testing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Sensors\u003c\/strong\u003e (one required, except ProBOD variant which is self-contained):\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" border=\"1\" cellpadding=\"6\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eSensor\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003ePart #\u003c\/th\u003e\n\u003cth style=\"text-align: right;\"\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002 Galvanic DO Sensor\u003c\/td\u003e\n\u003ctd\u003e605202\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$231.84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003 Polarographic DO Sensor\u003c\/td\u003e\n\u003ctd\u003e605203\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$231.84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003B Polarographic DO Sensor (Blue Membrane)\u003c\/td\u003e\n\u003ctd\u003e607203\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$247.48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eShop all sensors on the \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-pro-series-do-sensors\" title=\"YSI Pro Series DO Sensors\"\u003eYSI Pro Series DO Sensors page\u003c\/a\u003e, or browse the full \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\" title=\"YSI Parts and Accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eAvailable in 1, 4, 10, 30, or 100 meter lengths with rugged military-spec (MS) connectors.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"1 meter","offer_id":48101693685950,"sku":"60520-1","price":366.0,"currency_code":"USD","in_stock":true},{"title":"4 meter","offer_id":48101693718718,"sku":"60520-4","price":366.0,"currency_code":"USD","in_stock":true},{"title":"10 meter","offer_id":48101693751486,"sku":"60520-10","price":464.0,"currency_code":"USD","in_stock":true},{"title":"30 meter","offer_id":48101693784254,"sku":"60520-30","price":701.0,"currency_code":"USD","in_stock":true},{"title":"100 meter","offer_id":48101693817022,"sku":"60520-100","price":1103.0,"currency_code":"USD","in_stock":true},{"title":"ProBOD Self-Stirring Probe (1m cable, 115V)","offer_id":48101693849790,"sku":"605780","price":1065.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/prev_YSI-20-Cable-600x600.jpg?v=1783616740"},{"product_id":"ysi-pro-series-30-cable-conductivity","title":"YSI Pro Series 30 Cable (Conductivity)","description":"\u003cp\u003eField cable assembly for the YSI Pro30 and ProQuatro instruments. Conductivity and temperature sensing is built directly into the cable — no separate sensor purchase required.\u003c\/p\u003e\u003cp\u003eAvailable in 1, 4, 10, or 30 meter lengths with rugged military-spec (MS) connectors.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"1 meter","offer_id":48101697290430,"sku":"60530-1","price":496.0,"currency_code":"USD","in_stock":true},{"title":"4 meter","offer_id":48101697323198,"sku":"60530-4","price":498.0,"currency_code":"USD","in_stock":true},{"title":"10 meter","offer_id":48101697355966,"sku":"60530-10","price":622.0,"currency_code":"USD","in_stock":true},{"title":"30 meter","offer_id":48101697388734,"sku":"60530-30","price":869.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/prev_YSI-30-Cable-600x600.jpg?v=1783616745"},{"product_id":"ysi-pro-series-1020-cable-do-ise","title":"YSI Pro Series 1020 Cable (DO\/ISE)","description":"\u003cp\u003eField cable assembly for the YSI Pro1020 and ProQuatro instruments. Combines dissolved oxygen and ISE (pH\/ORP) sensor ports with built-in temperature sensing. DO and ISE sensors sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Sensors\u003c\/strong\u003e (one DO + one pH\/ORP required):\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" border=\"1\" cellpadding=\"6\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eSensor\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003ePart #\u003c\/th\u003e\n\u003cth style=\"text-align: right;\"\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002 Galvanic DO Sensor\u003c\/td\u003e\n\u003ctd\u003e605202\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$231.84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003 Polarographic DO Sensor\u003c\/td\u003e\n\u003ctd\u003e605203\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$231.84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1001 pH Sensor\u003c\/td\u003e\n\u003ctd\u003e605101\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$216.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1002 ORP Sensor\u003c\/td\u003e\n\u003ctd\u003e605102\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$258.52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eShop \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-pro-series-do-sensors\" title=\"YSI Pro Series DO Sensors\"\u003eDO Sensors\u003c\/a\u003e, \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-pro-series-ph-orp-sensors\" title=\"YSI Pro Series pH\/ORP Sensors\"\u003epH\/ORP Sensors\u003c\/a\u003e, or browse the full \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\" title=\"YSI Parts and Accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eAvailable in 1, 4, 10, or 30 meter lengths with rugged military-spec (MS) connectors.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"1 meter","offer_id":48101703975102,"sku":"6051020-1","price":876.0,"currency_code":"USD","in_stock":true},{"title":"4 meter","offer_id":48101704007870,"sku":"6051020-4","price":880.0,"currency_code":"USD","in_stock":true},{"title":"10 meter","offer_id":48101704040638,"sku":"6051020-10","price":1023.0,"currency_code":"USD","in_stock":true},{"title":"30 meter","offer_id":48101704073406,"sku":"6051020-30","price":1363.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/prev_YSI-1020-Cable-600x600.jpg?v=1783616735"},{"product_id":"ysi-pro-series-1030-cable-ise-conductivity","title":"YSI Pro Series 1030 Cable (ISE\/Conductivity)","description":"\u003cp\u003eField cable assembly for the YSI Pro1030 and ProQuatro instruments. Combines a built-in conductivity\/temperature sensor with a port for a pH or ORP sensor (sold separately).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Sensors\u003c\/strong\u003e (one required):\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" border=\"1\" cellpadding=\"6\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eSensor\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003ePart #\u003c\/th\u003e\n\u003cth style=\"text-align: right;\"\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1001 pH Sensor\u003c\/td\u003e\n\u003ctd\u003e605101\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$216.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1002 ORP Sensor\u003c\/td\u003e\n\u003ctd\u003e605102\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$258.52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eShop all sensors on the \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-pro-series-ph-orp-sensors\" title=\"YSI Pro Series pH\/ORP Sensors\"\u003eYSI Pro Series pH\/ORP Sensors page\u003c\/a\u003e, or browse the full \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\" title=\"YSI Parts and Accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eAvailable in 1, 4, 10, or 30 meter lengths with rugged military-spec (MS) connectors.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"1 meter","offer_id":48101707382974,"sku":"6051030-1","price":721.0,"currency_code":"USD","in_stock":true},{"title":"4 meter","offer_id":48101707415742,"sku":"6051030-4","price":725.0,"currency_code":"USD","in_stock":true},{"title":"10 meter","offer_id":48101707448510,"sku":"6051030-10","price":845.0,"currency_code":"USD","in_stock":true},{"title":"30 meter","offer_id":48101707481278,"sku":"6051030-30","price":1128.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/prev_YSI-1030-Cable-600x600.jpg?v=1783616731"},{"product_id":"ysi-pro-series-2030-cable-do-conductivity","title":"YSI Pro Series 2030 Cable (DO\/Conductivity)","description":"\u003cp\u003eField cable assembly for the YSI Pro2030 and ProQuatro instruments. Combines a built-in conductivity\/temperature sensor with a port for a dissolved oxygen sensor (sold separately).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Sensors\u003c\/strong\u003e (one required):\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" border=\"1\" cellpadding=\"6\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eSensor\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003ePart #\u003c\/th\u003e\n\u003cth style=\"text-align: right;\"\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002 Galvanic DO Sensor\u003c\/td\u003e\n\u003ctd\u003e605202\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$231.84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003 Polarographic DO Sensor\u003c\/td\u003e\n\u003ctd\u003e605203\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$231.84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003B Polarographic DO Sensor (Blue Membrane)\u003c\/td\u003e\n\u003ctd\u003e607203\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$247.48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eShop all sensors on the \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-pro-series-do-sensors\" title=\"YSI Pro Series DO Sensors\"\u003eYSI Pro Series DO Sensors page\u003c\/a\u003e, or browse the full \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\" title=\"YSI Parts and Accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eAvailable in 1, 4, 10, or 30 meter lengths with rugged military-spec (MS) connectors.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"1 meter","offer_id":48101718393022,"sku":"6052030-1","price":952.0,"currency_code":"USD","in_stock":true},{"title":"4 meter","offer_id":48101718425790,"sku":"6052030-4","price":960.0,"currency_code":"USD","in_stock":true},{"title":"10 meter","offer_id":48101718458558,"sku":"6052030-10","price":1108.0,"currency_code":"USD","in_stock":true},{"title":"30 meter","offer_id":48101718491326,"sku":"6052030-30","price":1358.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/prev_YSI-2030-Cable-600x600.jpg?v=1783616752"},{"product_id":"ysi-proquatro-dual-ise-cable-1010-series","title":"YSI ProQuatro Dual ISE Cable (1010 Series)","description":"\u003cp\u003eDual ISE cable assembly for the YSI ProQuatro — two independent ports for ion-selective sensors (pH, ORP, ammonium, chloride, or nitrate), plus built-in temperature sensing. Sensors sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Sensors\u003c\/strong\u003e (choose two, any combination):\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" border=\"1\" cellpadding=\"6\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eSensor\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003ePart #\u003c\/th\u003e\n\u003cth style=\"text-align: right;\"\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1001 pH Sensor\u003c\/td\u003e\n\u003ctd\u003e605101\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$216.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1002 ORP Sensor\u003c\/td\u003e\n\u003ctd\u003e605102\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$258.52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1004 Ammonium ISE Sensor\u003c\/td\u003e\n\u003ctd\u003e605104\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$458.16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1005 Chloride ISE Sensor\u003c\/td\u003e\n\u003ctd\u003e605105\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$488.52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1006 Nitrate ISE Sensor\u003c\/td\u003e\n\u003ctd\u003e605106\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$458.16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eShop \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-pro-series-ph-orp-sensors\" title=\"YSI Pro Series pH\/ORP Sensors\"\u003epH\/ORP Sensors\u003c\/a\u003e, \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-proquatro-ise-specialty-sensors\" title=\"YSI ProQuatro ISE \u0026amp; Specialty Sensors\"\u003eISE \u0026amp; Specialty Sensors\u003c\/a\u003e, or browse the full \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\" title=\"YSI Parts and Accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eAvailable in 1, 4, 10, 20, or 30 meter lengths with rugged military-spec (MS) connectors.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"1 meter","offer_id":48101725110462,"sku":"6051010-1","price":894.0,"currency_code":"USD","in_stock":true},{"title":"4 meter","offer_id":48101725143230,"sku":"6051010-4","price":905.0,"currency_code":"USD","in_stock":true},{"title":"10 meter","offer_id":48101725175998,"sku":"6051010-10","price":990.0,"currency_code":"USD","in_stock":true},{"title":"20 meter","offer_id":48101725208766,"sku":"6051010-20","price":1158.0,"currency_code":"USD","in_stock":true},{"title":"30 meter","offer_id":48101725241534,"sku":"6051010-30","price":1325.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/logo_dcbdb61f-f297-4425-b59f-444f1d481a68.png?v=1784935489"},{"product_id":"ysi-proquatro-full-cable-assembly-dual-ise-cond-do","title":"YSI ProQuatro Full Cable Assembly (Dual ISE\/Cond\/DO)","description":"\u003cp\u003eFull cable assembly for the YSI ProQuatro — combines a built-in conductivity\/temperature sensor (5560) with a dissolved oxygen port and an ISE port, giving true 4-parameter capability from a single cable. DO and ISE sensors sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Sensors\u003c\/strong\u003e (one DO + one ISE required):\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" border=\"1\" cellpadding=\"6\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eSensor\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003ePart #\u003c\/th\u003e\n\u003cth style=\"text-align: right;\"\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002 Galvanic DO Sensor\u003c\/td\u003e\n\u003ctd\u003e605202\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$231.84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003 Polarographic DO Sensor\u003c\/td\u003e\n\u003ctd\u003e605203\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$231.84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1001 pH Sensor\u003c\/td\u003e\n\u003ctd\u003e605101\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$216.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1002 ORP Sensor\u003c\/td\u003e\n\u003ctd\u003e605102\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$258.52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1004 Ammonium ISE Sensor\u003c\/td\u003e\n\u003ctd\u003e605104\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$458.16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1005 Chloride ISE Sensor\u003c\/td\u003e\n\u003ctd\u003e605105\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$488.52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1006 Nitrate ISE Sensor\u003c\/td\u003e\n\u003ctd\u003e605106\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$458.16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eShop \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-pro-series-do-sensors\" title=\"YSI Pro Series DO Sensors\"\u003eDO Sensors\u003c\/a\u003e, \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-pro-series-ph-orp-sensors\" title=\"YSI Pro Series pH\/ORP Sensors\"\u003epH\/ORP Sensors\u003c\/a\u003e, \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-proquatro-ise-specialty-sensors\" title=\"YSI ProQuatro ISE \u0026amp; Specialty Sensors\"\u003eISE \u0026amp; Specialty Sensors\u003c\/a\u003e, or browse the full \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\" title=\"YSI Parts and Accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eAvailable in 1, 4, 10, or 30 meter lengths with rugged military-spec (MS) connectors.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"1 meter","offer_id":48101731991742,"sku":"605790-1","price":2014.0,"currency_code":"USD","in_stock":true},{"title":"4 meter","offer_id":48101732024510,"sku":"605790-4","price":2064.0,"currency_code":"USD","in_stock":true},{"title":"10 meter","offer_id":48101732057278,"sku":"605790-10","price":2149.0,"currency_code":"USD","in_stock":true},{"title":"20 meter","offer_id":48101732090046,"sku":"605790-20","price":2471.0,"currency_code":"USD","in_stock":true},{"title":"30 meter","offer_id":48101732122814,"sku":"605790-30","price":2676.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/logo_b890772f-24df-4eea-873a-f75b5296089e.png?v=1784935496"},{"product_id":"ysi-odo-t-probe-assembly","title":"YSI ODO\/T Probe Assembly","description":"\u003cp\u003eODO\/T (optical dissolved oxygen + temperature) probe assembly for the ProSolo, ProSwap, and ProDSS handhelds. Not compatible with the legacy ProODO handheld — see the Pro Series parts for legacy ProODO cables.\u003c\/p\u003e\u003cp\u003eAvailable in 1, 4, 10, 20, 50, or 100 meter lengths.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"1 meter","offer_id":48102251659454,"sku":"627200-1","price":1005.0,"currency_code":"USD","in_stock":true},{"title":"4 meter","offer_id":48102251692222,"sku":"627200-4","price":1019.0,"currency_code":"USD","in_stock":true},{"title":"10 meter","offer_id":48102251724990,"sku":"627200-10","price":1126.0,"currency_code":"USD","in_stock":true},{"title":"20 meter","offer_id":48102251757758,"sku":"627200-20","price":1150.0,"currency_code":"USD","in_stock":true},{"title":"50 meter","offer_id":48102251790526,"sku":"627200-50","price":1267.0,"currency_code":"USD","in_stock":true},{"title":"100 meter","offer_id":48102251823294,"sku":"627200-100","price":1469.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/prev_YSI-ProDIGITAL-ODOT-Probe.jpg?v=1783618069"},{"product_id":"ysi-odo-ct-probe-assembly","title":"YSI ODO\/CT Probe Assembly","description":"\u003cp\u003eODO\/CT (optical dissolved oxygen + conductivity + temperature) probe assembly for the ProSolo, ProSwap, and ProDSS handhelds. Not compatible with the legacy ProODO handheld.\u003c\/p\u003e\u003cp\u003eAvailable in 1, 4, 10, 20, 50, or 100 meter lengths.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"1 meter","offer_id":48102261588158,"sku":"627150-1","price":1636.0,"currency_code":"USD","in_stock":true},{"title":"4 meter","offer_id":48102261620926,"sku":"627150-4","price":1636.0,"currency_code":"USD","in_stock":true},{"title":"10 meter","offer_id":48102261653694,"sku":"627150-10","price":1847.0,"currency_code":"USD","in_stock":true},{"title":"20 meter","offer_id":48102261686462,"sku":"627150-20","price":1883.0,"currency_code":"USD","in_stock":true},{"title":"50 meter","offer_id":48102261719230,"sku":"627150-50","price":2017.0,"currency_code":"USD","in_stock":true},{"title":"100 meter","offer_id":48102261751998,"sku":"627150-100","price":2257.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/prev_YSI-ProDIGITAL-ODOCT-Probe.jpg?v=1783618074"},{"product_id":"ysi-proobod-sensor","title":"YSI ProOBOD Sensor","description":"\u003cp\u003eOptical BOD probe for the legacy ProODO handheld and any ProDigital handheld (ProSolo, ProSwap, ProDSS). US version includes a US power supply; International version includes SAA, EU, and BS outlet adapters plus a UK BOD funnel adaptor.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"US","offer_id":48102265028798,"sku":"626400","price":1361.0,"currency_code":"USD","in_stock":true},{"title":"International","offer_id":48102265061566,"sku":"626401","price":1475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/prev_YSI-ProOBOD-Angled-600x600.jpg?v=1783618079"},{"product_id":"ysi-proswap-1-port-cable-assembly","title":"YSI ProSwap 1-Port Cable Assembly","description":"\u003cp\u003e1-port cable assembly for the ProSwap and ProDSS handhelds. Includes a built-in temperature sensor — order your single parameter sensor separately below.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized ProDSS dealers only.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible ProDSS Smart Sensors\u003c\/strong\u003e (sold separately, one per cable):\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" border=\"1\" cellpadding=\"6\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eSensor\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003ePart #\u003c\/th\u003e\n\u003cth style=\"text-align: right;\"\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eODO Optical Dissolved Oxygen Sensor\u003c\/td\u003e\n\u003ctd\u003e626900\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$1,167.48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductivity \u0026amp; Temperature Sensor\u003c\/td\u003e\n\u003ctd\u003e626902\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$821.56\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTurbidity Sensor\u003c\/td\u003e\n\u003ctd\u003e626901\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$1,284.32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Sensor with Module\u003c\/td\u003e\n\u003ctd\u003e626903\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$524.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH\/ORP Sensor with Module\u003c\/td\u003e\n\u003ctd\u003e626904\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$666.08\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmmonium Sensor with Module\u003c\/td\u003e\n\u003ctd\u003e626906\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$666.08\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNitrate Sensor with Module\u003c\/td\u003e\n\u003ctd\u003e626905\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$710.24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChloride Sensor with Module\u003c\/td\u003e\n\u003ctd\u003e626907\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$710.24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Algae-Phycocyanin Sensor (Fresh Water)\u003c\/td\u003e\n\u003ctd\u003e626210\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$3,722.32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Algae-Phycoerythrin Sensor (Salt Water)\u003c\/td\u003e\n\u003ctd\u003e626211\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$3,722.32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eShop all sensors on the \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-prodss-smart-sensors\" title=\"YSI ProDSS Smart Sensors\"\u003eYSI ProDSS Smart Sensors page\u003c\/a\u003e, or browse the full \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\" title=\"YSI Parts and Accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Depth\u003c\/strong\u003e — 1, 4, 10, 30, or 100 meter lengths\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShallow Depth\u003c\/strong\u003e (includes depth sensor) — 4 or 10 meter lengths\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium Depth\u003c\/strong\u003e (includes depth sensor) — 30 or 100 meter lengths\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"No Depth - 1m","offer_id":48102274891966,"sku":"626750-1","price":1438.0,"currency_code":"USD","in_stock":true},{"title":"No Depth - 4m","offer_id":48102274924734,"sku":"626750-4","price":1475.0,"currency_code":"USD","in_stock":true},{"title":"No Depth - 10m","offer_id":48102274957502,"sku":"626750-10","price":1531.0,"currency_code":"USD","in_stock":true},{"title":"No Depth - 30m","offer_id":48102274990270,"sku":"626750-30","price":1609.0,"currency_code":"USD","in_stock":true},{"title":"No Depth - 100m","offer_id":48102275023038,"sku":"626750-100","price":1914.0,"currency_code":"USD","in_stock":true},{"title":"Shallow Depth - 4m","offer_id":48102275055806,"sku":"626760-4","price":2005.0,"currency_code":"USD","in_stock":true},{"title":"Shallow Depth - 10m","offer_id":48102275088574,"sku":"626760-10","price":2060.0,"currency_code":"USD","in_stock":true},{"title":"Medium Depth - 30m","offer_id":48102275121342,"sku":"626770-30","price":2140.0,"currency_code":"USD","in_stock":true},{"title":"Medium Depth - 100m","offer_id":48102275154110,"sku":"626770-100","price":2445.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/prev_YSI-ProSwap-1port-cable-coil.jpg?v=1783618085"},{"product_id":"ysi-prodss-4-port-cable-assembly","title":"YSI ProDSS 4-Port Cable Assembly","description":"\u003cp\u003e4-port cable assembly for the YSI ProDSS handheld — connects up to \u003cstrong\u003efour ProDSS smart sensors simultaneously\u003c\/strong\u003e, in any combination. Bulkhead ports are universal, so any sensor can go in any port (a conductivity\/temperature sensor must be installed for accurate measurement of all parameters).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized ProDSS dealers only.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible ProDSS Smart Sensors\u003c\/strong\u003e (sold separately, mix and match up to 4 per cable):\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" border=\"1\" cellpadding=\"6\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eSensor\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003ePart #\u003c\/th\u003e\n\u003cth style=\"text-align: right;\"\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eODO Optical Dissolved Oxygen Sensor\u003c\/td\u003e\n\u003ctd\u003e626900\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$1,167.48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductivity \u0026amp; Temperature Sensor\u003c\/td\u003e\n\u003ctd\u003e626902\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$821.56\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTurbidity Sensor\u003c\/td\u003e\n\u003ctd\u003e626901\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$1,284.32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Sensor with Module\u003c\/td\u003e\n\u003ctd\u003e626903\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$524.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH\/ORP Sensor with Module\u003c\/td\u003e\n\u003ctd\u003e626904\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$666.08\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmmonium Sensor with Module\u003c\/td\u003e\n\u003ctd\u003e626906\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$666.08\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNitrate Sensor with Module\u003c\/td\u003e\n\u003ctd\u003e626905\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$710.24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChloride Sensor with Module\u003c\/td\u003e\n\u003ctd\u003e626907\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$710.24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Algae-Phycocyanin Sensor (Fresh Water)\u003c\/td\u003e\n\u003ctd\u003e626210\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$3,722.32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Algae-Phycoerythrin Sensor (Salt Water)\u003c\/td\u003e\n\u003ctd\u003e626211\u003c\/td\u003e\n\u003ctd style=\"text-align: right;\"\u003e$3,722.32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eShop all sensors on the \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-prodss-smart-sensors\" title=\"YSI ProDSS Smart Sensors\"\u003eYSI ProDSS Smart Sensors page\u003c\/a\u003e, or browse the full \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\" title=\"YSI Parts and Accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCable configurations:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Depth\u003c\/strong\u003e — 1, 4, 10, 20, 30, or 60 meter lengths\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWith Depth\u003c\/strong\u003e (includes depth sensor) — 4, 10, 20, 30, 50, 60, 90, or 100 meter lengths\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"No Depth - 1m","offer_id":48102288556222,"sku":"626909-1","price":2394.0,"currency_code":"USD","in_stock":true},{"title":"No Depth - 4m","offer_id":48102288588990,"sku":"626909-4","price":2486.0,"currency_code":"USD","in_stock":true},{"title":"No Depth - 10m","offer_id":48102288621758,"sku":"626909-10","price":2532.0,"currency_code":"USD","in_stock":true},{"title":"No Depth - 20m","offer_id":48102288654526,"sku":"626909-20","price":2856.0,"currency_code":"USD","in_stock":true},{"title":"No Depth - 30m","offer_id":48102288687294,"sku":"626909-30","price":3022.0,"currency_code":"USD","in_stock":true},{"title":"No Depth - 60m","offer_id":48102288720062,"sku":"626909-60","price":3465.0,"currency_code":"USD","in_stock":true},{"title":"With Depth - 4m","offer_id":48102288752830,"sku":"626910-4","price":3524.0,"currency_code":"USD","in_stock":true},{"title":"With Depth - 10m","offer_id":48102288785598,"sku":"626910-10","price":3628.0,"currency_code":"USD","in_stock":true},{"title":"With Depth - 20m","offer_id":48102288818366,"sku":"626911-20","price":3836.0,"currency_code":"USD","in_stock":true},{"title":"With Depth - 30m","offer_id":48102288851134,"sku":"626911-30","price":3890.0,"currency_code":"USD","in_stock":true},{"title":"With Depth - 50m","offer_id":48102288883902,"sku":"626911-50","price":4452.0,"currency_code":"USD","in_stock":true},{"title":"With Depth - 60m","offer_id":48102288916670,"sku":"626911-60","price":4539.0,"currency_code":"USD","in_stock":true},{"title":"With Depth - 90m","offer_id":48102288949438,"sku":"626911-90","price":4975.0,"currency_code":"USD","in_stock":true},{"title":"With Depth - 100m","offer_id":48102288982206,"sku":"626911-100","price":5115.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/YSI_ProDSS_cable_with_depth_edca4114-bba6-48d8-b50c-b2368562fdd0.png?v=1783618090"},{"product_id":"ysi-prodss-smart-sensors","title":"YSI ProDSS Smart Sensors","description":"\u003cp\u003eSmart digital sensors for the YSI ProDSS 4-port and ProSwap 1-port cable assemblies. Each sensor is automatically recognized by the handheld — no manual configuration needed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthorized ProDSS dealers only.\u003c\/strong\u003e\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"ODO Optical Dissolved Oxygen Sensor","offer_id":48102311985342,"sku":"626900","price":1269.0,"currency_code":"USD","in_stock":true},{"title":"Conductivity \u0026 Temperature Sensor","offer_id":48102312018110,"sku":"626902","price":893.0,"currency_code":"USD","in_stock":true},{"title":"Turbidity Sensor","offer_id":48102312050878,"sku":"626901","price":1396.0,"currency_code":"USD","in_stock":true},{"title":"pH Sensor with Module","offer_id":48102312083646,"sku":"626903","price":570.0,"currency_code":"USD","in_stock":true},{"title":"pH\/ORP Sensor with Module","offer_id":48102312116414,"sku":"626904","price":724.0,"currency_code":"USD","in_stock":true},{"title":"Ammonium Sensor with Module","offer_id":48102312149182,"sku":"626906","price":724.0,"currency_code":"USD","in_stock":true},{"title":"Nitrate Sensor with Module","offer_id":48102312181950,"sku":"626905","price":772.0,"currency_code":"USD","in_stock":true},{"title":"Chloride Sensor with Module","offer_id":48102312214718,"sku":"626907","price":772.0,"currency_code":"USD","in_stock":true},{"title":"Total Algae-Phycocyanin Sensor (Fresh Water)","offer_id":48102312247486,"sku":"626210","price":4046.0,"currency_code":"USD","in_stock":true},{"title":"Total Algae-Phycoerythrin Sensor (Salt Water)","offer_id":48102312280254,"sku":"626211","price":4046.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/ProDSS_Conductivity_temp_sensor_c1722457-5a3b-44a4-84ca-89830313f10d.png?v=1783617594"},{"product_id":"ysi-prodss-replacement-sensor-modules","title":"YSI ProDSS Replacement Sensor Modules","description":"\u003cp\u003eReplacement smart sensor modules for the YSI ProDSS system. Modules snap into their corresponding sensor body to restore accurate readings.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"pH Module","offer_id":48102626853054,"sku":"626790","price":225.0,"currency_code":"USD","in_stock":true},{"title":"pH\/ORP Module","offer_id":48102626885822,"sku":"626791","price":328.0,"currency_code":"USD","in_stock":true},{"title":"Ammonium Module","offer_id":48102626918590,"sku":"626966","price":351.0,"currency_code":"USD","in_stock":true},{"title":"Nitrate Module","offer_id":48102626951358,"sku":"626965","price":375.0,"currency_code":"USD","in_stock":true},{"title":"Chloride Module","offer_id":48102626984126,"sku":"626967","price":375.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/logo_eff63314-9d41-4ace-8732-5192a0641f05.png?v=1784935582"},{"product_id":"ysi-prodigital-replacement-sensor-caps","title":"YSI ProDigital Replacement Sensor Caps","description":"\u003cp\u003eReplacement ODO and OBOD sensor caps for the YSI ProDigital and legacy ProODO systems.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"Replacement DSS ODO Sensor Cap","offer_id":48102633734334,"sku":"626890","price":163.0,"currency_code":"USD","in_stock":true},{"title":"Replacement ODO Extended Warranty Cap","offer_id":48102633767102,"sku":"627180","price":247.0,"currency_code":"USD","in_stock":true},{"title":"Replacement OBOD Sensor Cap Kit","offer_id":48102633799870,"sku":"626482","price":154.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/prev_YSI-ODO-Extended-Warranty-Cap_fbf4e767-b61c-464d-86a8-c5bb38715a25.jpg?v=1783618266"},{"product_id":"ysi-proswap-1-handheld-1","title":"YSI ProSwap-1 Handheld","description":"\u003cp\u003eThe YSI ProSwap handheld pairs with 1-port cable assemblies and any ProDSS smart sensor, giving field teams a lighter, lower-cost alternative to the full ProDSS system when only one parameter needs to be swapped in the field.\u003c\/p\u003e\u003cp\u003eSelect your cable configuration below, or choose \"Instrument Only\" if you already own a compatible cable. A \u003ca href=\"https:\/\/envirotechonline.com\/products\/ysi-prodss-smart-sensors\" title=\"YSI ProDSS Smart Sensors\"\u003eProDSS smart sensor\u003c\/a\u003e is required to complete the system — or browse the full \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\" title=\"YSI Parts and Accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNo GPS. Authorized ProDSS dealers only.\u003c\/strong\u003e\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"Instrument Only","offer_id":48102799835326,"sku":"626700-1","price":1372.0,"currency_code":"USD","in_stock":true},{"title":"+ Cable, No Depth - 1m","offer_id":48102799868094,"sku":"626700-1 + 626750-1","price":2738.0,"currency_code":"USD","in_stock":true},{"title":"+ Cable, No Depth - 4m","offer_id":48102799900862,"sku":"626700-1 + 626750-4","price":2773.0,"currency_code":"USD","in_stock":true},{"title":"+ Cable, No Depth - 10m","offer_id":48102799933630,"sku":"626700-1 + 626750-10","price":2826.0,"currency_code":"USD","in_stock":true},{"title":"+ Cable, No Depth - 30m","offer_id":48102799966398,"sku":"626700-1 + 626750-30","price":2900.0,"currency_code":"USD","in_stock":true},{"title":"+ Cable, No Depth - 100m","offer_id":48102799999166,"sku":"626700-1 + 626750-100","price":3190.0,"currency_code":"USD","in_stock":true},{"title":"+ Cable, Shallow Depth - 4m","offer_id":48102800031934,"sku":"626700-1 + 626760-4","price":3277.0,"currency_code":"USD","in_stock":true},{"title":"+ Cable, Shallow Depth - 10m","offer_id":48102800064702,"sku":"626700-1 + 626760-10","price":3329.0,"currency_code":"USD","in_stock":true},{"title":"+ Cable, Medium Depth - 30m","offer_id":48102800097470,"sku":"626700-1 + 626770-30","price":3405.0,"currency_code":"USD","in_stock":true},{"title":"+ Cable, Medium Depth - 100m","offer_id":48102800130238,"sku":"626700-1 + 626770-100","price":3695.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/Water-Quality-Meter-YSI-ProSwap-Sampling-Handheld_8563a8ca-588b-4a51-84a2-df0558c8b7a8.jpg?v=1783618447"},{"product_id":"ysi-prosolo-handheld-2","title":"YSI ProSolo Handheld","description":"\u003cp\u003eThe YSI ProSolo is a rugged handheld meter for optical dissolved oxygen, conductivity, salinity, and temperature. It's the direct replacement for the legacy ProODO handheld, with a smart digital probe interface.\u003c\/p\u003e\u003cp\u003eSelect your configuration below: the instrument alone, instrument plus probe assembly, or a complete kit that also includes a carrying case at a bundled price.\u003c\/p\u003e\u003cp\u003eNeed a different case, cable length, or other accessory? Browse the \u003ca href=\"https:\/\/envirotechonline.com\/collections\/ysi-pro-series-parts-accessories\" title=\"YSI Parts and Accessories\"\u003eYSI Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The ProSolo is not compatible with the ProDSS 4-port or ProSwap 1-port cables.\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"Instrument Only","offer_id":48104719319230,"sku":"626650","price":1075.0,"currency_code":"USD","in_stock":true},{"title":"+ ODO\/T Probe - 1m","offer_id":48104719351998,"sku":"626650 + 627200-1","price":2030.0,"currency_code":"USD","in_stock":true},{"title":"+ ODO\/T Probe - 4m","offer_id":48104719384766,"sku":"626650 + 627200-4","price":2043.0,"currency_code":"USD","in_stock":true},{"title":"+ ODO\/T Probe - 10m","offer_id":48104719417534,"sku":"626650 + 627200-10","price":2145.0,"currency_code":"USD","in_stock":true},{"title":"+ ODO\/T Probe - 20m","offer_id":48104719450302,"sku":"626650 + 627200-20","price":2168.0,"currency_code":"USD","in_stock":true},{"title":"+ ODO\/T Probe - 50m","offer_id":48104719483070,"sku":"626650 + 627200-50","price":2279.0,"currency_code":"USD","in_stock":true},{"title":"+ ODO\/T Probe - 100m","offer_id":48104719515838,"sku":"626650 + 627200-100","price":2471.0,"currency_code":"USD","in_stock":true},{"title":"+ ODO\/CT Probe - 1m","offer_id":48104719548606,"sku":"626650 + 627150-1","price":2630.0,"currency_code":"USD","in_stock":true},{"title":"+ ODO\/CT Probe - 4m","offer_id":48104719581374,"sku":"626650 + 627150-4","price":2630.0,"currency_code":"USD","in_stock":true},{"title":"+ ODO\/CT Probe - 10m","offer_id":48104719614142,"sku":"626650 + 627150-10","price":2830.0,"currency_code":"USD","in_stock":true},{"title":"+ ODO\/CT Probe - 20m","offer_id":48104719646910,"sku":"626650 + 627150-20","price":2864.0,"currency_code":"USD","in_stock":true},{"title":"+ ODO\/CT Probe - 50m","offer_id":48104719679678,"sku":"626650 + 627150-50","price":2992.0,"currency_code":"USD","in_stock":true},{"title":"+ ODO\/CT Probe - 100m","offer_id":48104719712446,"sku":"626650 + 627150-100","price":3220.0,"currency_code":"USD","in_stock":true},{"title":"+ ProOBOD Probe - US","offer_id":48104719745214,"sku":"626650 + 626400","price":2368.0,"currency_code":"USD","in_stock":true},{"title":"+ ProOBOD Probe - International","offer_id":48104719777982,"sku":"626650 + 626401","price":2477.0,"currency_code":"USD","in_stock":true},{"title":"Kit: ODO\/T + Case - 4m","offer_id":48104719810750,"sku":"626663","price":2006.0,"currency_code":"USD","in_stock":true},{"title":"Kit: ODO\/T + Case - 10m","offer_id":48104719843518,"sku":"626664","price":2073.0,"currency_code":"USD","in_stock":true},{"title":"Kit: ODO\/CT + Case - 4m","offer_id":48104719876286,"sku":"626660","price":2658.0,"currency_code":"USD","in_stock":true},{"title":"Kit: ODO\/CT + Case - 10m","offer_id":48104719909054,"sku":"626661","price":2898.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/YSI-ProSolo-Handheld_bb24cd28-8b89-4a23-a110-1462dce85bbc.jpg?v=1783621014"},{"product_id":"ysi-559-do-replaceable-probe","title":"YSI 559 DO Replaceable Probe","description":"\u003cp\u003eUser-replaceable dissolved oxygen sensor for the YSI 550A and 556 multiparameter handhelds. Swap in a fresh sensor in the field in minutes, without sending the instrument in for service or replacing the whole cable assembly. Uses a convenient screw-on membrane cap for simple membrane changes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUsed with:\u003c\/strong\u003e YSI 550A and 556\u003c\/p\u003e\u003cp\u003eOne-year sensor warranty.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/Manuals\/Legacy_Manuals\/556_Manual.pdf\"\u003e556 Manual\u003c\/a\u003e | \u003ca href=\"https:\/\/www.geotechenv.com\/pdf\/rental\/ysi_556_mps.pdf\"\u003e556 Spec Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"Default Title","offer_id":48159233900734,"sku":"655900","price":301.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/YSI-559-Replacement-DO-Electrode-600x600.jpg?v=1783966643"},{"product_id":"ysi-5564-ph-kit","title":"YSI 5564 pH Kit","description":"\u003cp\u003eField-replaceable pH sensor for the YSI 556 multiparameter handheld. Swaps in without tools for a quick sensor change in the field.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUsed with:\u003c\/strong\u003e YSI 556\u003c\/p\u003e\u003cp\u003eOne-year sensor warranty. 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Requires pH and ORP (Zobell\/Dobell) buffer solutions for calibration.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/Manuals\/Legacy_Manuals\/556_Manual.pdf\"\u003e556 Manual\u003c\/a\u003e | \u003ca href=\"https:\/\/www.geotechenv.com\/pdf\/rental\/ysi_556_mps.pdf\"\u003e556 Spec Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"YSI - Xylem Inc.","offers":[{"title":"Default Title","offer_id":48159234228414,"sku":"005565","price":561.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/YSI-5565-pH-ORP-Sensor-600x600.jpg?v=1783966664"},{"product_id":"ysi-5564a-amplified-ph-sensor","title":"YSI 5564A Amplified pH Sensor","description":"\u003cp\u003eAmplified pH sensor for the YSI 556 handheld, built for high-static environments, very cold water, long cable runs, or long-term field deployments where the connector might see moisture. 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