{"title":"RKI Instruments","description":"\u003cp\u003eRKI Instruments gas detection equipment for confined-space entry, industrial safety, and environmental air monitoring — portable multi-gas monitors, single-gas detectors, and marine gas monitors.\u003c\/p\u003e","products":[{"product_id":"rki-fp-31-formaldehyde-monitor","title":"RKI FP-31 Formaldehyde Monitor","description":"\u003cp\u003eThe RKI FP-31 is a compact, sample-draw formaldehyde monitor built for fast, on-site indoor air quality testing. Using a photoelectric colorimetric method with disposable detector tablets, it reads formaldehyde concentration over a 15-minute (0–1.0 ppm) or 30-minute (0–0.4 ppm) averaging period with no warm-up delay before sampling.\u003c\/p\u003e\n\u003cp\u003eBecause its optical measurement isn't thrown off by common cross-interferents like toluene, benzene, carbon monoxide, carbon dioxide, ammonia, or acetone, the FP-31 holds up well in real-world indoor environments where multiple emission sources are present. A built-in sample-draw pump feeds air across the detector tablet automatically, and the digital display stores up to 99 readings with self-diagnostics for the light source, pump, and battery.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"Default Title","offer_id":48206049214654,"sku":"73-1063","price":903.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/FP-31-Image.jpg?v=1785116984"},{"product_id":"rki-rx-8000-marine-gas-monitor","title":"RKI RX-8000 Marine Gas Monitor","description":"\u003cp\u003eThe RKI RX-8000 Marine Gas Monitor is a rugged, sample-draw instrument built for confined-space entry and hot-work permitting aboard tankers, refineries, and petrochemical plants. Combustible gas is measured by non-dispersive infrared (0–100vol% or 0–100%LEL), paired with a galvanic-cell oxygen sensor (0–40.0%), and an internal pump pulls a minimum 0.75 L\/min sample through the unit.\u003c\/p\u003e\n\u003cp\u003eA digital display with bar graph shows live readings, backed by three bright alarm LEDs and a 95dB buzzer at configurable low\/high setpoints. The RX-8000 runs on a rechargeable lithium-ion pack (15-hour runtime, 3-hour charge) or 3×AA alkaline batteries (10-hour runtime), and carries IP67, ATEX\/IECEx, and MED marine-type approval for use in hazardous locations.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"3-Gas (LEL\/HC\/O2) - Alkaline Battery","offer_id":48206068711614,"sku":"73-0616","price":2100.0,"currency_code":"USD","in_stock":true},{"title":"3-Gas (LEL\/HC\/O2) - Li-Ion + AC Charger","offer_id":48206068744382,"sku":"73-0616C","price":2111.25,"currency_code":"USD","in_stock":true},{"title":"2-Gas (LEL\/HC) - Alkaline Battery","offer_id":48206068777150,"sku":"73-0618","price":2025.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/rx8000-scaled-1.jpg?v=1785117039"},{"product_id":"rki-sp-230-gas-leak-checker","title":"RKI SP-230 Gas Leak Checker","description":"\u003cp\u003eThe RKI SP-230 Gas Leak Checker is a pocket-sized, sample-draw instrument for pinpointing hard-to-find leaks at low concentrations, using a hot-wire semiconductor sensor with roughly a 10-second response time. Its rubber-armored housing is rated IP-67 and passes a 2-meter drop test, and the backlit LCD reports gas name, concentration, elapsed time, and battery status at a glance.\u003c\/p\u003e\n\u003cp\u003eAvailable in gas-specific versions for fumigation gases, super-toxic gases, chlorofluorocarbons, or hydrogen, the SP-230 runs on 2×AA alkaline batteries for 13+ hours and logs up to 256 peak-hold readings via IrDA output. Non-latching gas and trouble alarms (sensor, battery, flow, circuit, and calibration faults) keep the unit self-monitoring in the field.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"Type SC - Super Toxics","offer_id":48206090502334,"sku":"72-0065-05","price":535.5,"currency_code":"USD","in_stock":true},{"title":"Type FUM - Fumigation Gases","offer_id":48206090535102,"sku":"72-0065-06","price":710.25,"currency_code":"USD","in_stock":true},{"title":"Type F - Chlorofluorocarbons (CFC)","offer_id":48206090567870,"sku":"72-0065-09","price":660.75,"currency_code":"USD","in_stock":true},{"title":"Type H2 - Hydrogen","offer_id":48206090600638,"sku":"72-0065-10","price":702.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/sp230.jpg?v=1785117095"},{"product_id":"rki-sc-9000-toxic-gas-detector","title":"RKI SC-9000 Toxic Gas Detector","description":"\u003cp\u003eThe RKI SC-9000 is a sample-draw toxic gas detector built for demanding process environments, using electrochemical sensors to track gases like hydrogen fluoride, hydrogen chloride, silane, and nitric oxide well below hazardous thresholds. An internal pump pulls a continuous sample at roughly 0.5 L\/min, and a full-dot digital LCD shows live concentration alongside peak and average readings.\u003c\/p\u003e\n\u003cp\u003eThe SC-9000 runs on a rechargeable lithium-ion pack (60-hour runtime, 3-hour charge) or 3×AA alkaline batteries (30-hour runtime), and pairs Bluetooth connectivity with IrDA and onboard datalogging for remote monitoring and record-keeping. Intrinsically safe (ATEX\/IECEx Ex ia IIC T4 Ga) with a latching 95dB alarm and self-diagnostic bump-test capability, it's backed by a 3-year sensor warranty.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"HF (0.4-1.5 ppm)","offer_id":48206092075198,"sku":"73-9XDX-B","price":2205.0,"currency_code":"USD","in_stock":true},{"title":"HCl (0-6.00 ppm)","offer_id":48206092107966,"sku":"73-9XGX-B","price":2205.0,"currency_code":"USD","in_stock":true},{"title":"SiH4 (0-15.0 ppm)","offer_id":48206092140734,"sku":"73-9XJX-B","price":2205.0,"currency_code":"USD","in_stock":true},{"title":"NO (0-100.0 ppm)","offer_id":48206092173502,"sku":"73-9XKX-B","price":2205.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/SC9000.jpg?v=1785117133"},{"product_id":"rki-gp-03-single-gas-detector","title":"RKI GP-03 Single Gas Detector","description":"\u003cp\u003eThe RKI GP-03 is a pocket-sized single-gas detector that monitors combustible gas from 0–100% LEL using a catalytic combustion sensor, drawing samples by diffusion with a 30-second response time. Weighing just 2.8 oz (80g), it fits easily on a belt clip or in a shirt pocket for all-day wear.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid lightgray; text-align: center; width: 100%; padding: 12px;\"\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/Manuals\/RKI_Manuals\/rki_GP-03_manual.pdf\" style=\"font-size: 15px;\" target=\"_blank\"\u003eMANUAL\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eA digital LCD with auto backlight displays live readings alongside first-alarm (10% LEL), second-alarm (50% LEL), and over-range (100% LEL) alerts, backed by flashing LEDs, an audible buzzer, and a standard vibration alarm. The field-replaceable sensor lasts 2+ years and interchanges with RKI's GX-2009 and GX-2012 platforms, and the GP-03 runs up to 35 hours on 2×AAA alkaline batteries (30 hours on Ni-MH) with up to 300 hours of onboard datalogging.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"Base Unit - Alkaline Battery","offer_id":48206094041278,"sku":"72150416","price":233.8,"currency_code":"USD","in_stock":true},{"title":"With Calibration Cup - Alkaline Battery","offer_id":48206094074046,"sku":"72-0037-05","price":252.0,"currency_code":"USD","in_stock":true},{"title":"Kit with Case \u0026 Screwdriver - Alkaline Battery","offer_id":48206094106814,"sku":"72-0037-50","price":301.0,"currency_code":"USD","in_stock":true},{"title":"Kit with Case, Screwdriver \u0026 Calibration Kit - Alkaline Battery","offer_id":48206094139582,"sku":"72-0037-56","price":455.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/GP-O3_hand.jpg?v=1785117193"},{"product_id":"rki-gaswatch-3-wearable-gas-detector","title":"RKI GasWatch 3 Wearable Gas Detector","description":"\u003cp\u003eThe RKI GasWatch 3 is the world's smallest single- or dual-gas monitor, worn like a wristwatch or clipped to a collar with its 360° alligator clip. Electrochemical and galvanic-cell sensors detect O2, H2S, CO, H2-compensated CO, or a combination CO\/O2 unit, and a field-replaceable CR2450 lithium coin cell powers the unit for up to 4,000 hours depending on configuration.\u003c\/p\u003e\n\u003cp\u003eThe rugged, IP66\/68-rated housing is intrinsically safe (ATEX\/IECEx Ex ia IIC T4 Ga) and backed by a 3-year warranty (2 years on the O2 sensor). No display or buttons are needed for day-to-day use — the GasWatch 3 runs maintenance-free once activated, making it a low-cost option for personal gas monitoring at scale.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"O2 \/ Alligator Clip","offer_id":48206181662910,"sku":"72-0012","price":153.75,"currency_code":"USD","in_stock":true},{"title":"O2 \/ Wrist Band","offer_id":48206181695678,"sku":"72-0012-01","price":153.75,"currency_code":"USD","in_stock":true},{"title":"H2S \/ Alligator Clip","offer_id":48206181728446,"sku":"73-0022","price":153.75,"currency_code":"USD","in_stock":true},{"title":"H2S \/ Wrist Band","offer_id":48206181761214,"sku":"73-0022-01","price":153.75,"currency_code":"USD","in_stock":true},{"title":"CO \/ Alligator Clip","offer_id":48206181793982,"sku":"73-0023","price":153.75,"currency_code":"USD","in_stock":true},{"title":"CO \/ Wrist Band","offer_id":48206181826750,"sku":"73-0023-01","price":153.75,"currency_code":"USD","in_stock":true},{"title":"CO (H2-Compensated) \/ Alligator Clip","offer_id":48206181859518,"sku":"73-0025","price":390.0,"currency_code":"USD","in_stock":true},{"title":"CO (H2-Compensated) \/ Wrist Band","offer_id":48206181892286,"sku":"73-0025-01","price":390.0,"currency_code":"USD","in_stock":true},{"title":"CO\/O2 Combination \/ Alligator Clip","offer_id":48206181925054,"sku":"73-0026","price":390.0,"currency_code":"USD","in_stock":true},{"title":"CO\/O2 Combination \/ Wrist Band","offer_id":48206181957822,"sku":"73-0026-01","price":390.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/gaswatch3.jpg?v=1785118963"},{"product_id":"rki-gx-9000-marine-gas-monitor","title":"RKI GX-9000 Marine Gas Monitor","description":"\u003cp\u003eThe RKI GX-9000 is a rugged, configurable marine gas monitor built for tanker, refinery, and confined-space entry work, drawing samples through catalytic, NDIR, thermal-conductivity, and electrochemical sensors depending on the gas package selected. Sensor combinations span standard confined-space gases (O2, CO, H2S) alongside hydrocarbon, methane, chlorine, and CO2 detection in both diffusion and IR-based ranges.\u003c\/p\u003e\n\u003cp\u003ePowered by a rechargeable lithium-ion pack with AC adapter (roughly 25-hour runtime) or dry alkaline cells (about 12 hours), the GX-9000 carries IP66\/68 housing and MED marine-type approval alongside ATEX and IECEx certification. The GX-9000H variant adds dual-range (low\/high) H2S detection for applications where both trace and high-concentration H2S readings matter.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"O2\/CO\/H2S\/CH4 (catalytic)\/CH4 %vol (TC)","offer_id":48206184906942,"sku":"72-9AXHK-B","price":2846.25,"currency_code":"USD","in_stock":true},{"title":"O2\/CO\/H2S\/HC (LEL)\/HC %vol (TC)","offer_id":48206184939710,"sku":"72-9AXIL-B","price":2846.25,"currency_code":"USD","in_stock":true},{"title":"O2\/CO\/H2S\/CH4 (catalytic)","offer_id":48206184972478,"sku":"72-9AXXK-B","price":2452.5,"currency_code":"USD","in_stock":true},{"title":"O2\/CO\/H2S\/CH4 (catalytic), Coal\/Bulk Carrier","offer_id":48206185005246,"sku":"72-9AXXK-B-01","price":2482.5,"currency_code":"USD","in_stock":true},{"title":"O2\/CO\/CO2 (0-20%)\/IR CH4","offer_id":48206185038014,"sku":"72-9CXDF-B","price":3431.25,"currency_code":"USD","in_stock":true},{"title":"O2\/Cl2\/IR-HC\/IR-CO2","offer_id":48206185070782,"sku":"72-9EPEF-B","price":3806.25,"currency_code":"USD","in_stock":true},{"title":"O2\/IR CH4 (%LEL\/%vol)","offer_id":48206185103550,"sku":"72-9EXDX-B","price":2748.75,"currency_code":"USD","in_stock":true},{"title":"O2\/IR HC (%LEL\/%vol)","offer_id":48206185136318,"sku":"72-9EXEX-B","price":2748.75,"currency_code":"USD","in_stock":true},{"title":"O2 Only","offer_id":48206185169086,"sku":"72-9EXXX-B","price":2085.0,"currency_code":"USD","in_stock":true},{"title":"GX-9000H: O2\/CO\/Low H2S\/High H2S\/IR CH4","offer_id":48206185201854,"sku":"72-9HAAXB-B","price":3198.75,"currency_code":"USD","in_stock":true},{"title":"GX-9000H: O2\/CO\/Low H2S\/High H2S\/IR HC","offer_id":48206185234622,"sku":"72-9HAAXC-B","price":3198.75,"currency_code":"USD","in_stock":true},{"title":"GX-9000H: O2\/Low H2S\/High H2S\/IR CH4","offer_id":48206185267390,"sku":"72-9HBAXB-B","price":3161.25,"currency_code":"USD","in_stock":true},{"title":"GX-9000H: O2\/Low H2S\/High H2S\/IR HC","offer_id":48206185300158,"sku":"72-9HBAXC-B","price":3161.25,"currency_code":"USD","in_stock":true},{"title":"LEL HC\/HC %vol (TC)","offer_id":48206185332926,"sku":"72-9XXIL-B","price":2752.5,"currency_code":"USD","in_stock":true},{"title":"LEL Only","offer_id":48206185365694,"sku":"72-9XXXK-B","price":2358.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/GX-9000-scaled.jpg?v=1785119025"},{"product_id":"rki-gx-6100-multi-gas-detector","title":"RKI GX-6100 Multi-Gas Detector","description":"\u003cp\u003eThe RKI GX-6100 is a confined-space and hazmat-response monitor that tracks up to six gases at once — the standard four (LEL, O2, CO, H2S) plus two smart-sensor slots for PID, NDIR, or additional electrochemical toxic gas detection. Interchangeable PID lamps (10.0, 10.6, or 11.7 eV) draw from a 600+ compound VOC library, with a dedicated benzene-specific mode for arson investigation and industrial hygiene work.\u003c\/p\u003e\n\u003cp\u003eAn internal pump samples at 0.45 LPM up to 100 feet away, and the auto-rotating digital display pairs with Bluetooth and IrDA connectivity for remote monitoring. Runtime is roughly 28 hours on lithium-ion (6-hour recharge) or 8 hours on alkaline, and the IP-67-rated housing carries IECEx, ATEX, TIIS, and cCSAus certification alongside man-down and panic alarms.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"LEL\/O2\/H2S\/CO\/VOC (0-40,000 ppb PID)","offer_id":48206187462846,"sku":"72-61AAXX-C","price":3136.0,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO\/VOC (0-4,000 ppm PID)\/SO2","offer_id":48206187495614,"sku":"72158007","price":2611.0,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO\/VOC (0-4,000 ppm PID)\/NO2","offer_id":48206187528382,"sku":"72-61ABKX-C","price":2611.0,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO\/VOC (0-4,000 ppm PID)\/HCN","offer_id":48206187561150,"sku":"72158025","price":2611.0,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO\/VOC (0-4,000 ppm PID)\/TC %vol","offer_id":48206187593918,"sku":"72158003","price":2535.4,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO\/VOC (0-4,000 ppm PID) - Alkaline","offer_id":48206187626686,"sku":"72-61ABXX-A","price":2236.5,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO\/VOC (0-4,000 ppm PID) - Li-Ion","offer_id":48206187659454,"sku":"72-61ABXX-C","price":2418.5,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO\/IR CH4 (autoranging)\/CO2 (0-10%)","offer_id":48206187692222,"sku":"72-61ACF-B","price":2170.0,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO","offer_id":48206187724990,"sku":"72-61AXCX-C","price":1722.0,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO\/TC %vol","offer_id":48206187757758,"sku":"72-61AXXT-C","price":1544.9,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO (base)","offer_id":48206187790526,"sku":"72-61AXXX-C","price":1428.0,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO\/Benzene PID\/VOC PID with Tube Kit","offer_id":48206187823294,"sku":"72-61AZBX-C","price":4105.5,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO\/Benzene PID with Tube Kit","offer_id":48206187856062,"sku":"72-61AZXX-C","price":3115.0,"currency_code":"USD","in_stock":true},{"title":"VOC Only (0-40,000 ppb PID)","offer_id":48206187888830,"sku":"72158110","price":2996.0,"currency_code":"USD","in_stock":true},{"title":"VOC Only (0-4,000 ppm PID)","offer_id":48206187921598,"sku":"72-61XBXX-C","price":2278.5,"currency_code":"USD","in_stock":true},{"title":"Benzene-Specific PID\/VOC PID with Tube Kit","offer_id":48206187954366,"sku":"72-61XZBX-C","price":3965.5,"currency_code":"USD","in_stock":true},{"title":"Benzene-Specific PID with Tube Kit","offer_id":48206187987134,"sku":"72-61XZXX-C","price":2975.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/GX-6100-handheld.jpg?v=1785119084"},{"product_id":"rki-sc-8000-toxic-gas-detector","title":"RKI SC-8000 Toxic Gas Detector","description":"\u003cp\u003eThe RKI SC-8000 is a single-channel, sample-draw toxic gas detector built around electrochemical sensing, offered in dedicated versions for 24 distinct target gases — from ammonia and hydrogen sulfide to more specialized compounds like silane, arsine, and hydrogen peroxide. An internal pump pulls a continuous sample at roughly 0.5 L\/min, giving fast response in process areas where a single, specific gas needs continuous coverage.\u003c\/p\u003e\n\u003cp\u003eThe SC-8000 runs on a rechargeable lithium-ion pack (roughly 25-hour runtime) or 3×AA alkaline batteries (about 18 hours), with an IP-67-rated housing that's intrinsically safe (Ex ia IIC T4) and IECEx, ATEX, TIIS, and CE certified. Its broad single-target gas library makes it a common fit for semiconductor fabs, specialty chemical plants, and other facilities standardizing on one detector platform across many different target gases.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"Arsine (0-0.20 ppm) - Alkaline","offer_id":48206191329470,"sku":"73-0052-ASH3","price":1814.25,"currency_code":"USD","in_stock":true},{"title":"ClF3 (0-0.300 ppm) - Alkaline","offer_id":48206191362238,"sku":"73-0052-CLF3","price":1814.25,"currency_code":"USD","in_stock":true},{"title":"Dimethylamine (0-15.0 ppm) - Alkaline","offer_id":48206191395006,"sku":"73-0052-DMA","price":1814.25,"currency_code":"USD","in_stock":true},{"title":"Germane (0-0.80 ppm) - Alkaline","offer_id":48206191427774,"sku":"73-0052-GEH4","price":1814.25,"currency_code":"USD","in_stock":true},{"title":"H2O2 (0-3.00 ppm) - Alkaline","offer_id":48206191460542,"sku":"73-0052-H2O2","price":1814.25,"currency_code":"USD","in_stock":true},{"title":"H2O2 (0-0.500 ppm) - Alkaline","offer_id":48206191493310,"sku":"73-0052-H2O2-01","price":1814.25,"currency_code":"USD","in_stock":true},{"title":"Hydrogen Bromide (0-9.0 ppm) - Alkaline","offer_id":48206191526078,"sku":"73-0052-HBR","price":1814.25,"currency_code":"USD","in_stock":true},{"title":"Hydrogen Chloride (0-15.0 ppm) - Alkaline","offer_id":48206191558846,"sku":"73-0052-HCL-15","price":1814.25,"currency_code":"USD","in_stock":true},{"title":"Hydrogen Fluoride (0.4-9.00 ppm) - Alkaline","offer_id":48206191591614,"sku":"73-0052-HF","price":1814.25,"currency_code":"USD","in_stock":true},{"title":"Hydrogen Iodide (0-5.00 ppm) - Alkaline","offer_id":48206191624382,"sku":"73-0052-HI","price":1814.25,"currency_code":"USD","in_stock":true},{"title":"Ozone (0-1.00 ppm) - Alkaline","offer_id":48206191657150,"sku":"73-0052-O3","price":1814.25,"currency_code":"USD","in_stock":true},{"title":"Arsine (0-0.20 ppm) - Li-Ion","offer_id":48206191689918,"sku":"73-0053-ASH3","price":2110.5,"currency_code":"USD","in_stock":true},{"title":"Diborane (0-0.3 ppm) - Li-Ion","offer_id":48206191722686,"sku":"73-0053-B2H6","price":2110.5,"currency_code":"USD","in_stock":true},{"title":"Bromine (0-1.0 ppm) - Li-Ion","offer_id":48206191755454,"sku":"73-0053-BR2","price":2110.5,"currency_code":"USD","in_stock":true},{"title":"Chlorine (0-3.0 ppm) - Li-Ion","offer_id":48206191788222,"sku":"73-0053-CL2","price":2110.5,"currency_code":"USD","in_stock":true},{"title":"Chlorine (0-1.5 ppm) - Li-Ion","offer_id":48206191820990,"sku":"73-0053-CL2-01","price":2110.5,"currency_code":"USD","in_stock":true},{"title":"Carbon Monoxide (0-75.0 ppm) - Li-Ion","offer_id":48206191853758,"sku":"73-0053-CO-75","price":2110.5,"currency_code":"USD","in_stock":true},{"title":"Germane (0-0.80 ppm) - Li-Ion","offer_id":48206191886526,"sku":"73-0053-GEH4","price":2110.5,"currency_code":"USD","in_stock":true},{"title":"H2O2 (0-3.00 ppm) - Li-Ion","offer_id":48206191919294,"sku":"73-0053-H2O2","price":2110.5,"currency_code":"USD","in_stock":true},{"title":"H2O2 (0-0.5 ppm) - Li-Ion","offer_id":48206191952062,"sku":"73-0053-H2O2-01","price":2110.5,"currency_code":"USD","in_stock":true},{"title":"Hydrogen Selenide (0-0.2 ppm) - Li-Ion","offer_id":48206191984830,"sku":"73-0053-H2SE","price":2110.5,"currency_code":"USD","in_stock":true},{"title":"Hydrogen Bromide (0-9 ppm) - Li-Ion","offer_id":48206192017598,"sku":"73-0053-HBR","price":2110.5,"currency_code":"USD","in_stock":true},{"title":"Hydrogen Chloride (0-15.0 ppm) - Li-Ion","offer_id":48206192050366,"sku":"73-0053-HCL","price":2110.5,"currency_code":"USD","in_stock":true},{"title":"Hydrogen Iodide (0-5.00 ppm) - Li-Ion","offer_id":48206192083134,"sku":"73-0053-HI","price":2110.5,"currency_code":"USD","in_stock":true},{"title":"Nitric Acid (0-20.0 ppm) - Li-Ion","offer_id":48206192115902,"sku":"73-0053-HNO3","price":1969.8,"currency_code":"USD","in_stock":true},{"title":"Ammonia (0-75.0 ppm) - Li-Ion","offer_id":48206192148670,"sku":"73-0053-NH3","price":1969.8,"currency_code":"USD","in_stock":true},{"title":"Nitrogen Monoxide (0-100 ppm) - Li-Ion","offer_id":48206192181438,"sku":"73-0053-NO","price":2110.5,"currency_code":"USD","in_stock":true},{"title":"Ozone (0-1.00 ppm) - Li-Ion","offer_id":48206192214206,"sku":"73-0053-O3","price":1969.8,"currency_code":"USD","in_stock":true},{"title":"Silane (0-15 ppm) - Li-Ion","offer_id":48206192246974,"sku":"73-0053-SIH4","price":2110.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/SC-8000.jpg?v=1785119164"},{"product_id":"rki-gx-3r-gas-detector","title":"RKI GX-3R Gas Detector","description":"\u003cp\u003eThe RKI GX-3R is the world's smallest 4-gas monitor, small enough to clip within OSHA's defined breathing zone while still covering LEL, O2, CO, and H2S. Dual-filament catalytic combustible sensing pairs with a 3-5 year electrochemical O2 sensor, and an H2-compensated CO option and combo H2S\/CO micro-sensor are available for facilities that need to filter out cross-interference.\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\/air_quality\/rki_gx-3r_multi-gas_monitors.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\/RKI_Manuals\/GX-3R_Manual.pdf\" style=\"font-size: 15px;\" target=\"_blank\"\u003eMANUAL\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eSampling is diffusion-based by default, with an optional hand aspirator or clip-on motorized pump for confined-space work. A rechargeable lithium-ion battery delivers roughly 25 hours of runtime on a 3-hour charge, and the IP-66\/68-rated housing is rated for a 23-foot drop and carries ATEX, CSA, IECEx, and MED certification. A flashing non-compliance indicator reminds users every 30 seconds if a bump test or calibration is overdue.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"LEL\/O2\/H2S\/CO (4-gas)","offer_id":48206195392702,"sku":"72158012","price":448.0,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S (3-gas)","offer_id":48206195425470,"sku":"72158084","price":448.0,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/CO (3-gas)","offer_id":48206195458238,"sku":"72-RC-C","price":448.0,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/CO (H2-Compensated)","offer_id":48206195491006,"sku":"72-RD-C","price":479.5,"currency_code":"USD","in_stock":true},{"title":"LEL\/H2S\/CO","offer_id":48206195523774,"sku":"72-RE-C","price":437.5,"currency_code":"USD","in_stock":true},{"title":"O2\/H2S\/CO","offer_id":48206195556542,"sku":"72-RF-C","price":437.5,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2 (2-gas)","offer_id":48206195589310,"sku":"72-RG-C","price":416.5,"currency_code":"USD","in_stock":true},{"title":"LEL\/H2S (2-gas)","offer_id":48206195622078,"sku":"72-RH-C","price":416.5,"currency_code":"USD","in_stock":true},{"title":"LEL\/CO (2-gas)","offer_id":48206195654846,"sku":"72-RI-C","price":416.5,"currency_code":"USD","in_stock":true},{"title":"LEL\/CO (H2-Compensated)","offer_id":48206195687614,"sku":"72-RJ-C","price":448.0,"currency_code":"USD","in_stock":true},{"title":"CO\/H2S (2-gas)","offer_id":48206195720382,"sku":"72-RL-C","price":448.0,"currency_code":"USD","in_stock":true},{"title":"LEL Only","offer_id":48206195753150,"sku":"72-RM-C","price":406.0,"currency_code":"USD","in_stock":true},{"title":"O2 Only","offer_id":48206195785918,"sku":"72158005","price":385.0,"currency_code":"USD","in_stock":true},{"title":"CO Only","offer_id":48206195818686,"sku":"72-RP-C","price":385.0,"currency_code":"USD","in_stock":true},{"title":"CO Only (H2-Compensated)","offer_id":48206195851454,"sku":"72-RQ-C","price":416.5,"currency_code":"USD","in_stock":true},{"title":"O2\/CO (2-gas)","offer_id":48206195884222,"sku":"72-RR-C","price":416.5,"currency_code":"USD","in_stock":true},{"title":"O2\/H2S (2-gas)","offer_id":48206195916990,"sku":"72-RS-C","price":416.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/gx3r-inhand.jpg?v=1785119237"},{"product_id":"rki-gx-force-portable-gas-monitor","title":"RKI GX-FORCE Portable Gas Monitor","description":"\u003cp\u003eThe RKI GX-FORCE is RKI's smallest pumped personal gas monitor, covering 1 to 4 gases (LEL, O2, CO, H2S) with the same micro-sensors used across the GX-3R, GX-3R Pro, 04-Series, and GasWatch 3 platforms. An internal pump samples at 0.5 LPM up to 100 feet away, and a dedicated Leak Check mode switches the combustible sensor to a ppm-range display for pinpointing leaks below the LEL threshold — on top of its Normal confined-space monitoring mode.\u003c\/p\u003e\n\u003cp\u003eA rechargeable lithium-ion battery charges over USB-C and delivers roughly 30 hours of continuous runtime, and the backlit LCD display pairs with an IP67-equivalent housing rated for Class I Division 1 Groups A-D and Class I Zone 0 hazardous locations (IECEx, ATEX, cCSAus). Each unit ships with a belt clip, USB data cable, rubber sampling nozzle, and a hose-and-probe assembly sized to the model ordered.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"LEL\/O2\/H2S\/CO (4-gas)","offer_id":48206197751998,"sku":"12158111","price":637.0,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/CO (H2-Compensated)","offer_id":48206197784766,"sku":"72-FC-A-A10","price":682.5,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/CO","offer_id":48206197817534,"sku":"72-FD-A-A10","price":637.0,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S","offer_id":48206197850302,"sku":"72-FE-A-A10","price":637.0,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2 (2-gas)","offer_id":48206197883070,"sku":"72-FG-A-A10","price":602.0,"currency_code":"USD","in_stock":true},{"title":"LEL\/H2S (2-gas)","offer_id":48206197915838,"sku":"72-FH-A-A10","price":619.5,"currency_code":"USD","in_stock":true},{"title":"LEL\/CO (2-gas)","offer_id":48206197948606,"sku":"72-FI-A-A10","price":619.5,"currency_code":"USD","in_stock":true},{"title":"O2\/H2S (2-gas)","offer_id":48206197981374,"sku":"72-FK-A-A10","price":619.5,"currency_code":"USD","in_stock":true},{"title":"O2\/CO (2-gas)","offer_id":48206198014142,"sku":"72-FL-A-A10","price":619.5,"currency_code":"USD","in_stock":true},{"title":"LEL Only","offer_id":48206198046910,"sku":"72-FO-A-A10","price":584.5,"currency_code":"USD","in_stock":true},{"title":"O2 Only","offer_id":48206198079678,"sku":"72-FP-A-A10","price":584.5,"currency_code":"USD","in_stock":true},{"title":"H2S Only","offer_id":48206198112446,"sku":"72-FQ-A-A10","price":602.0,"currency_code":"USD","in_stock":true},{"title":"CO Only","offer_id":48206198145214,"sku":"72-FR-A-A10","price":602.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/GX-Force_holdinghand.jpg?v=1785119302"},{"product_id":"rki-gx-3r-pro-gas-detector","title":"RKI GX-3R Pro Gas Detector","description":"\u003cp\u003eThe RKI GX-3R Pro is the world's smallest 5-gas monitor, built around four sensor slots: an interchangeable CO\/H2S combo or single-gas cell, catalytic LEL, electrochemical O2, and a 5th channel for HCN, NH3, NO2, PH3, SO2, or IR CO2. RKI offers dozens of factory-built sensor combinations — the configurations listed here cover the most common confined-space and toxic-gas pairings; other sensor combinations are available by quote.\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\/air_quality\/rki_gx-3r_multi-gas_monitors.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\/RKI_Manuals\/GX-3R_Pro_Manual.pdf\" style=\"font-size: 15px;\" target=\"_blank\"\u003eMANUAL\u003c\/a\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eBattery runtime ranges from about 16 to 25 hours on lithium-ion depending on sensor configuration (3-hour recharge), with alkaline as a backup option. The full-dot LCD auto-rotates and backlights, Bluetooth BLE connects to RKI's mobile app for cal\/bump tracking, and the IP-66\/68-rated housing carries ATEX, CSA, IECEx, and MED certification with a 23-foot drop rating. Man-down and panic alarms are standard alongside the usual multi-level gas alarms.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"LEL\/O2\/H2S\/CO (flagship 4-gas)","offer_id":48206202732734,"sku":"72158010","price":720.3,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO\/CO2 (0-10,000 ppm)","offer_id":48206202765502,"sku":"72158011","price":1014.3,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO\/CO2 (0-10%)","offer_id":48206202798270,"sku":"72-PAB-C","price":1014.3,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO\/SO2","offer_id":48206202831038,"sku":"72158009","price":898.8,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO\/NO2","offer_id":48206202863806,"sku":"72-PAD-C","price":898.8,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO\/HCN","offer_id":48206202896574,"sku":"72-PAE-C","price":898.8,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO\/NH3","offer_id":48206202929342,"sku":"72-PAG-C","price":898.8,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO\/Cl2","offer_id":48206202962110,"sku":"72-PAH-C","price":882.0,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S\/CO (H2-Compensated)","offer_id":48206202994878,"sku":"72-PCX-C","price":818.3,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/H2S (3-gas)","offer_id":48206203027646,"sku":"72-PDX-C","price":720.3,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2\/CO (3-gas)","offer_id":48206203060414,"sku":"72-PEX-C","price":720.3,"currency_code":"USD","in_stock":true},{"title":"LEL\/H2S\/CO (3-gas)","offer_id":48206203093182,"sku":"72-PGX-C","price":702.8,"currency_code":"USD","in_stock":true},{"title":"O2\/H2S\/CO (3-gas)","offer_id":48206203125950,"sku":"72-PHX-C","price":702.8,"currency_code":"USD","in_stock":true},{"title":"LEL\/O2 (2-gas)","offer_id":48206203158718,"sku":"72-PIX-C","price":685.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/GX3RPRO2.jpg?v=1785119370"},{"product_id":"rki-ps-2-fixed-gas-detector","title":"RKI PS-2 Fixed Gas Detector","description":"\u003cp\u003eThe RKI PS-2 is a simple, single-point fixed LEL detector built for straightforward area monitoring in an ABS indoor housing. 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It's rated for 35-120°F and 0-100% relative humidity, making it a low-cost option for facilities that need basic point-source combustible gas coverage rather than a full multi-channel system.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"24 VDC","offer_id":48206204371134,"sku":"73-1020RK-01","price":356.25,"currency_code":"USD","in_stock":true},{"title":"115 VAC","offer_id":48206204403902,"sku":"72158066","price":356.25,"currency_code":"USD","in_stock":true},{"title":"48 VDC","offer_id":48206204436670,"sku":"73-1022RK-01","price":412.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/PS2-web.jpg?v=1785119415"},{"product_id":"rki-airlink-7010-wireless-controller","title":"RKI AirLink 7010 Wireless Controller","description":"\u003cp\u003eThe RKI AirLink 7010 is a wireless gas monitoring receiver that eliminates the wiring runs of a traditional fixed system, connecting to up to 64 wireless detector nodes plus 4 additional wired inputs. A choice of 900MHz (52 available networks) or 2.4GHz (78 available networks) radio bands supports up to 255 addresses per network, and dual 128x64 graphical LCDs with LED backlighting keep every channel visible at a glance.\u003c\/p\u003e\n\u003cp\u003eFour dry-contact relays (4A max) plus RS-485 Modbus output let the AirLink 7010 integrate with a facility's existing SCADA or building management system, and its NEMA-4X fiberglass enclosure with clear window is rated from -40°F to 158°F for outdoor installation. 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It's built for sites managing dozens of wireless gas detection points from a single, touchscreen-driven controller.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"32-Channel, 2.4GHz Radio","offer_id":48206208172222,"sku":"74-7232-A-32","price":3952.5,"currency_code":"USD","in_stock":true},{"title":"64-Channel, 2.4GHz Radio","offer_id":48206208204990,"sku":"74-7232-A-64","price":4357.5,"currency_code":"USD","in_stock":true},{"title":"32-Channel, 900MHz Radio","offer_id":48206208237758,"sku":"74-7932-A-32","price":3952.5,"currency_code":"USD","in_stock":true},{"title":"64-Channel, 900MHz Radio","offer_id":48206208270526,"sku":"74-7932-A-64","price":4357.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/AirLink-7032-Image-1.jpg?v=1785119504"},{"product_id":"rki-airlink-9100-signal-strength-meter","title":"RKI AirLink 9100 Signal Strength Meter","description":"\u003cp\u003eThe RKI AirLink 9100 is a handheld signal strength meter used to survey and verify wireless coverage before and after installing an AirLink gas monitoring network, checking radio strength to up to 255 detectors on a network. 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Rated for -20°F to 158°F operation, the MC-6400 is built for large-scale wired detector networks that need centralized Modbus communication rather than point-by-point wiring back to a control room.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"64-Channel Modbus","offer_id":48206217216190,"sku":"74-7464-A","price":2107.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/MC-6400-Image.jpg?v=1785119673"},{"product_id":"rki-beacon-110-fixed-systems-controller","title":"RKI Beacon 110 Fixed Systems Controller","description":"\u003cp\u003eThe RKI Beacon 110 is a single-channel fixed gas controller housed in a NEMA 4X polycarbonate wall-mount enclosure with a hinged, weatherproof cover. 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An internal pump draws roughly 0.5 L\/min, and dual 3-wire or 2-wire 4-20mA outputs pair with Ethernet (10\/100BASE-T) connectivity and dry-contact relays for flexible integration.\u003c\/p\u003e\n\u003cp\u003ePowered by 24VDC or Power-over-Ethernet, the GD-81D operates from -10°C to +40°C in its compact wall-mounted housing — a good fit for facilities standardizing on one transmitter platform across many different point-monitoring locations rather than stocking model-specific hardware.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"O2 Sensor, 0-25.0%, Ethernet, Relays, 4-20mA","offer_id":48206462779582,"sku":"GD-81DED-OXY-EC","price":1496.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/GD-81D-scaled.jpg?v=1785125104"},{"product_id":"rki-ec-600-fixed-carbon-monoxide-monitor","title":"RKI EC-600 Fixed Carbon Monoxide Monitor","description":"\u003cp\u003eThe RKI EC-600 is a compact, wall-mounted fixed CO monitor using an electrochemical sensor for stable, selective carbon monoxide detection at low concentrations (0-150 ppm), sampled by diffusion. 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Two alarm levels trigger at 19.0% and 18.0% oxygen, driving a dry-contact relay and a 4-20mA output for building or process control integration.\u003c\/p\u003e\n\u003cp\u003eAvailable in battery (2xAA), 24VDC, or 115VAC powered versions — with optional 3, 5, 10, or 20 meter remote sensor cables and a CSA-certified variant — the OX-600 is a low-cost fit for labs, cryogenic storage areas, clean rooms, confined spaces, tunnels, and parking garages where oxygen deficiency is the primary hazard.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"Battery Operated (2xAA)","offer_id":48206466318526,"sku":"72-1004","price":615.0,"currency_code":"USD","in_stock":true},{"title":"24VDC Operation","offer_id":48206466351294,"sku":"72-1005","price":618.75,"currency_code":"USD","in_stock":true},{"title":"115VAC Operation","offer_id":48206466384062,"sku":"72-1006","price":618.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/OX-600_normal.jpg?v=1785125199"},{"product_id":"rki-model-1017-explosion-proof-combustible-gas-detector","title":"RKI Model 1017 Explosion-Proof Combustible Gas Detector","description":"\u003cp\u003eThe RKI Model 1017 is an explosion-proof, sample-draw combustible gas detector housed in a cast aluminum, watertight enclosure certified CSA and UL Class I Division 1 Groups B, C, D with NEMA 4, 7, 9 ratings. An internal pump draws a 1.0 LPM sample from up to 100 feet away through stainless steel fittings and flame arrestors, giving it reach into tanks, vaults, and confined spaces without exposing electronics to the hazardous atmosphere.\u003c\/p\u003e\n\u003cp\u003eStandard sensor options cover 0-100% LEL combustibles (catalytic or IR hydrocarbon\/methane), with an optional 0-25% volume oxygen channel, and several configurations pair directly with an RKI M2A or M2A-XL remote display. Output is 4-20mA via optional amplifier, integrating with RKI Beacon controllers or third-party systems on 24VDC power.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"0-100% LEL, NC-6245 Sensor","offer_id":48206468186302,"sku":"79-1017-03","price":1578.75,"currency_code":"USD","in_stock":true},{"title":"0-100% LEL, NC-6245 Sensor \u0026 M2A-XL Display","offer_id":48206468219070,"sku":"79-1017-03M2AXL","price":2429.25,"currency_code":"USD","in_stock":true},{"title":"0-100% LEL, IR HC Sensor","offer_id":48206468251838,"sku":"79-1017-07","price":1882.5,"currency_code":"USD","in_stock":true},{"title":"0-100% LEL, IR HC Sensor \u0026 M2A Display","offer_id":48206468284606,"sku":"79-1017-07-M2A","price":2717.25,"currency_code":"USD","in_stock":true},{"title":"0-100% LEL, IR HC Sensor \u0026 M2A-XL Display","offer_id":48206468317374,"sku":"79-1017-07M2AXL","price":2600.25,"currency_code":"USD","in_stock":true},{"title":"0-100% LEL, IR CH4 Sensor \u0026 M2A-XL Display","offer_id":48206468350142,"sku":"79-1017-10M2AXL","price":2596.5,"currency_code":"USD","in_stock":true},{"title":"Oxygen Sample-Draw","offer_id":48206468382910,"sku":"79-1017F-01","price":1972.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/Model_1017-website.jpg?v=1785125249"},{"product_id":"rki-digester-gas-monitor","title":"RKI Digester Gas Monitor","description":"\u003cp\u003eThe RKI Digester Gas Monitor is a wall-mounted NDIR\/electrochemical analyzer built for continuous biogas monitoring, tracking methane (0-100% vol), oxygen (0-25% vol), carbon dioxide (0-50% vol), and hydrogen sulfide (0-1,000 ppm standard, other ranges available) in any combination up to all four gases at once. Sample tubing reaches up to 100 feet with a 3 SCFH system flow rate, and the unit automatically shuts off internally at 10% LEL for safety.\u003c\/p\u003e\n\u003cp\u003eEach active sensor channel outputs its own 4-20mA signal alongside Modbus RTU over RS-485, and the NEMA 4X enclosure runs on 100\/115\/220VAC or 24VDC. Choose the single-gas, dual-gas, or full four-gas configuration that matches your digester monitoring requirements — additional gas combinations and H2S ranges are available by quote.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"CH4 (0-100% vol)","offer_id":48206468415678,"sku":"72-2120A-101","price":13950.0,"currency_code":"USD","in_stock":true},{"title":"O2 (0-25% vol)","offer_id":48206468448446,"sku":"72-2120A-102","price":13725.0,"currency_code":"USD","in_stock":true},{"title":"H2S (0-1,000 ppm)","offer_id":48206468481214,"sku":"72-2120A-103","price":13965.0,"currency_code":"USD","in_stock":true},{"title":"CO2 (0-50% vol)","offer_id":48206468513982,"sku":"72-2120A-104","price":13668.75,"currency_code":"USD","in_stock":true},{"title":"CH4\/O2","offer_id":48206468546750,"sku":"72-2120A-201","price":14268.75,"currency_code":"USD","in_stock":true},{"title":"CH4\/H2S","offer_id":48206468579518,"sku":"72-2120A-202","price":14343.75,"currency_code":"USD","in_stock":true},{"title":"CH4\/CO2","offer_id":48206468612286,"sku":"72-2120A-203","price":14325.0,"currency_code":"USD","in_stock":true},{"title":"O2\/H2S","offer_id":48206468645054,"sku":"72-2120A-204","price":14118.75,"currency_code":"USD","in_stock":true},{"title":"CH4\/O2\/H2S","offer_id":48206468677822,"sku":"72-2120A-301","price":14497.5,"currency_code":"USD","in_stock":true},{"title":"CH4\/O2\/CO2\/H2S (Full 4-Gas)","offer_id":48206468710590,"sku":"72-2120A-401","price":14951.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/digester.jpg?v=1785125261"},{"product_id":"rki-model-35-3001-sample-draw-gas-detector","title":"RKI Model 35-3001 Sample-Draw Gas Detector","description":"\u003cp\u003eThe RKI Model 35-3001 is a sample-draw fixed gas detector built around an internal pump, letting a single sensor head reach into tanks, ducts, or vaults rather than diffusing gas to a wall-mounted point. 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The 35-3001 integrates with RKI Beacon controllers or any 4-20mA-compatible system.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"Combustibles 100% LEL (Catalytic)","offer_id":48206472052926,"sku":"35-3001-01","price":1102.5,"currency_code":"USD","in_stock":true},{"title":"IR Methane 100% LEL","offer_id":48206472085694,"sku":"35-3001-01-01","price":1335.0,"currency_code":"USD","in_stock":true},{"title":"IR Hydrocarbon 100% LEL","offer_id":48206472118462,"sku":"35-3001-01-02","price":1335.0,"currency_code":"USD","in_stock":true},{"title":"Hydrogen-Specific 100% LEL","offer_id":48206472151230,"sku":"35-3001-01H","price":1222.5,"currency_code":"USD","in_stock":true},{"title":"Oxygen 0-25% vol","offer_id":48206472183998,"sku":"35-3001-02","price":1335.0,"currency_code":"USD","in_stock":true},{"title":"Hydrogen Sulfide 0-100 ppm","offer_id":48206472216766,"sku":"35-3001-03","price":1185.0,"currency_code":"USD","in_stock":true},{"title":"Carbon Monoxide 0-300 ppm","offer_id":48206472249534,"sku":"35-3001-04","price":1185.0,"currency_code":"USD","in_stock":true},{"title":"IR Carbon Dioxide 0-5,000 ppm","offer_id":48206472282302,"sku":"35-3001-05-02","price":1335.0,"currency_code":"USD","in_stock":true},{"title":"Combustibles\/Oxygen","offer_id":48206472315070,"sku":"35-3001-06","price":1335.0,"currency_code":"USD","in_stock":true},{"title":"Combustibles\/H2S","offer_id":48206472347838,"sku":"35-3001-07","price":1410.0,"currency_code":"USD","in_stock":true},{"title":"Combustibles\/CO","offer_id":48206472380606,"sku":"35-3001-08","price":1413.75,"currency_code":"USD","in_stock":true},{"title":"Oxygen\/H2S","offer_id":48206472413374,"sku":"35-3001-09","price":1335.0,"currency_code":"USD","in_stock":true},{"title":"Oxygen\/CO","offer_id":48206472446142,"sku":"35-3001-10","price":1335.0,"currency_code":"USD","in_stock":true},{"title":"Combustibles\/CO2","offer_id":48206472478910,"sku":"35-3001-11","price":1477.5,"currency_code":"USD","in_stock":true},{"title":"No Sensor, Pump Only","offer_id":48206472511678,"sku":"35-3001-NS-03","price":945.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/35-3001-website.jpg?v=1785125635"},{"product_id":"rki-m2a-xl-fixed-gas-detector","title":"RKI M2A-XL Fixed Gas Detector","description":"\u003cp\u003eThe RKI M2A-XL is an explosion-proof fixed gas transmitter in a cast-aluminum NEMA 4X housing, certified Class I Division 1 Groups B, C, D for flammables, CO, H2S, O2, and CO2, with Class I Division 2 coverage for toxic gases. An OLED display shows live readings locally, while three 5A Form C relays and both 4-20mA and Modbus RTU (RS-485) outputs integrate directly into a control system.\u003c\/p\u003e\n\u003cp\u003eRKI builds the M2A-XL around catalytic, galvanic, electrochemical, and IR sensor technology to cover LEL, O2, H2S, CO, CH4, HCN, arsine, and a wide range of other toxic gases — the configurations listed here cover the most common single-gas sensor options; other gas types and remote-detector\/horn-strobe accessory kits are available by quote.\u003c\/p\u003e\n\u003cdiv style=\"display:flex;gap:10px;margin:15px 0;\"\u003e\n\u003ca href=\"https:\/\/www.geotechenv.com\/pdf\/air_quality\/RKI_M2A-XL.pdf\" target=\"_blank\" style=\"border:1px solid lightgray;border-radius:5px;padding:8px 16px;text-decoration:none;color:#333;font-weight:bold;\"\u003eSPECS\u003c\/a\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/Manuals\/RKI_Manuals\/M2A-XL%20Manual.pdf\" target=\"_blank\" style=\"border:1px solid lightgray;border-radius:5px;padding:8px 16px;text-decoration:none;color:#333;font-weight:bold;\"\u003eMANUAL\u003c\/a\u003e\n\u003c\/div\u003e","brand":"RKI Instruments","offers":[{"title":"LEL 0-100% (Catalytic)","offer_id":48206486470846,"sku":"65-2640XL","price":1042.5,"currency_code":"USD","in_stock":true},{"title":"Hydrogen (H2) Specific LEL","offer_id":48206486503614,"sku":"65-2641XL","price":1158.75,"currency_code":"USD","in_stock":true},{"title":"Hydrogen Cyanide (HCN) 0-15 ppm","offer_id":48206486536382,"sku":"65-2642XL","price":1312.5,"currency_code":"USD","in_stock":true},{"title":"Oxygen (O2) 0-25%","offer_id":48206486569150,"sku":"65-2643XL-05","price":1080.0,"currency_code":"USD","in_stock":true},{"title":"Oxygen (O2) 0-25% Partial Pressure","offer_id":48206486601918,"sku":"65-2644XL","price":993.75,"currency_code":"USD","in_stock":true},{"title":"Hydrogen Sulfide (H2S) 0-100 ppm","offer_id":48206486634686,"sku":"65-2645XL-05","price":1158.75,"currency_code":"USD","in_stock":true},{"title":"Carbon Monoxide (CO) 0-300 ppm","offer_id":48206486667454,"sku":"65-2646XL-05","price":1158.75,"currency_code":"USD","in_stock":true},{"title":"Methane (CH4) 0-9,000 ppm","offer_id":48206486700222,"sku":"65-2647XL","price":1102.5,"currency_code":"USD","in_stock":true},{"title":"Arsine (AsH3) 0-1.5 ppm","offer_id":48206486732990,"sku":"65-2648XL-ASH3","price":1196.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/M2A-XL_web.jpg?v=1785125737"},{"product_id":"rki-sd-1-fixed-gas-detector","title":"RKI SD-1 Fixed Gas Detector","description":"\u003cp\u003eThe RKI SD-1 is a compact, explosion-proof fixed gas detector head available across five sensor platforms — electrochemical (EC) for toxic gases like CO and H2S, catalytic combustible sensors (GH and GP) covering dozens of solvents and flammable gases, galvanic oxygen (OX), and infrared (RI\/DRI) for combustibles resistant to catalytic poisoning. All output 4-20mA, with HART communication available on select sensors.\u003c\/p\u003e\n\u003cp\u003eATEX\/IECEx Ex d IIC T5 rated with IP-65\/67 housing, the SD-1 is built for LNG terminals, petrochemical plants, power stations, utilities, and steel works. RKI's SD-1GH platform alone covers 25+ specific solvent and VOC gases — the configurations listed here are the most commonly ordered across each sensor type; other gas-specific calibrations are available by quote.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"SD-1EC: Carbon Monoxide (0-75 ppm)","offer_id":48206489551038,"sku":"SD-1EC-CO","price":1020.0,"currency_code":"USD","in_stock":true},{"title":"SD-1EC: Hydrogen Sulfide (0-30 ppm)","offer_id":48206489583806,"sku":"SD-1EC-H2S","price":1020.0,"currency_code":"USD","in_stock":true},{"title":"SD-1GH: Methane (0-2,000 ppm)","offer_id":48206489616574,"sku":"SD-1GH-CH4-2K","price":783.75,"currency_code":"USD","in_stock":true},{"title":"SD-1GH: Benzene (0-500 ppm)","offer_id":48206489649342,"sku":"SD-1GH-BNZ-500","price":783.75,"currency_code":"USD","in_stock":true},{"title":"SD-1GH: Ammonia (0-500 ppm)","offer_id":48206489682110,"sku":"SD-1GH-NH3-500","price":783.75,"currency_code":"USD","in_stock":true},{"title":"SD-1GH: Ethanol (0-2,000 ppm)","offer_id":48206489714878,"sku":"SD-1GH-ETH-2K","price":783.75,"currency_code":"USD","in_stock":true},{"title":"SD-1GH: Xylene (0-1,000 ppm)","offer_id":48206489747646,"sku":"SD-1GH-XYL-1K","price":783.75,"currency_code":"USD","in_stock":true},{"title":"SD-1GP: Methane (0-100% LEL)","offer_id":48206489780414,"sku":"SD-1GP-CH4","price":667.5,"currency_code":"USD","in_stock":true},{"title":"SD-1GP: Hydrogen (0-100% LEL)","offer_id":48206489813182,"sku":"SD-1GP-H2","price":667.5,"currency_code":"USD","in_stock":true},{"title":"SD-1GP: LPG (0-100% LEL)","offer_id":48206489845950,"sku":"SD-1GP-LPG","price":667.5,"currency_code":"USD","in_stock":true},{"title":"SD-1OX: Oxygen (0-25% vol)","offer_id":48206489878718,"sku":"SD-1OX","price":941.25,"currency_code":"USD","in_stock":true},{"title":"SD-1RI: Isobutane (0-100% LEL, IR)","offer_id":48206489911486,"sku":"SD-1RI-IC4H10","price":1102.5,"currency_code":"USD","in_stock":true},{"title":"SD-1DRI: Methane (0-100% LEL, IR)","offer_id":48206489944254,"sku":"SD-1DRI-CH4","price":1297.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/SD-1EC.jpg?v=1785125807"},{"product_id":"rki-t2a-fixed-gas-transmitter","title":"RKI T2A Fixed Gas Transmitter","description":"\u003cp\u003eThe RKI T2A is a loop-powered, two-wire fixed gas transmitter built around electrochemical sensing, covering an unusually broad library of toxic gases — from common ones like CO, H2S, and NH3 to more specialized targets like HCl, HCN, ozone, phosphine, ethylene oxide, and arsine. 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This gives facilities remote-point sampling capability without switching to a full sample-draw instrument platform.\u003c\/p\u003e\n\u003cp\u003ePanels are configured to the specific transmitter and gas type combination being mounted — LEL, oxygen\/toxic, or IR sensor heads — with dual-transmitter panels available for monitoring two gases from one aspirated point. 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Single-gas heads cover LEL (catalytic or IR), CO2, CH4, H2, Cl2, ClO2, HCN, NH3, H2S, CO, and O2, and multi-sensor j-boxes combine up to four gases (LEL\/O2\/H2S\/CO) into one mounting point.\u003c\/p\u003e\n\u003cp\u003eExplosion-proof (XP) and non-explosion-proof versions are available for most gas types, along with stainless steel j-box options for corrosive environments. 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The configurations listed here cover the most commonly ordered gas types and housings — RKI builds dozens of additional gas-specific and housing configurations by quote.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"CH4 (Methane) 0-100% LEL, Standard","offer_id":48206562951358,"sku":"GD-70DEA-LELCH4","price":1177.5,"currency_code":"USD","in_stock":true},{"title":"H2 (Hydrogen) 0-100% LEL, Standard","offer_id":48206562984126,"sku":"GD-70DEA-LEL-H2","price":1177.5,"currency_code":"USD","in_stock":true},{"title":"CO (Carbon Monoxide) 0-150 ppm, Standard","offer_id":48206563016894,"sku":"GD-70DEA-CO-01","price":1260.0,"currency_code":"USD","in_stock":true},{"title":"O2 (Oxygen) 0-25% Vol, Standard","offer_id":48206563049662,"sku":"GD-70DEA-OXY-EC","price":1335.0,"currency_code":"USD","in_stock":true},{"title":"H2S (Hydrogen Sulfide) 0-30 ppm, NEMA 4X","offer_id":48206563082430,"sku":"GD-70DEA4XH2S30","price":1890.0,"currency_code":"USD","in_stock":true},{"title":"NH3 (Ammonia) 0-75 ppm, Standard","offer_id":48206563115198,"sku":"GD-70DEA-NH3","price":1260.0,"currency_code":"USD","in_stock":true},{"title":"Cl2 (Chlorine) 0-3.00 ppm, Standard","offer_id":48206563147966,"sku":"GD-70DEA-CL2","price":1260.0,"currency_code":"USD","in_stock":true},{"title":"HCN (Hydrogen Cyanide) 0-15 ppm, Standard","offer_id":48206563180734,"sku":"GD-70DEA-HCN","price":1260.0,"currency_code":"USD","in_stock":true},{"title":"PH3 (Phosphine) 0-1.00 ppm, Standard","offer_id":48206563213502,"sku":"GD-70DEA-PH3-DH","price":1260.0,"currency_code":"USD","in_stock":true},{"title":"NO2 (Nitrogen Dioxide) 0-9.0 ppm, Standard","offer_id":48206563246270,"sku":"GD-70DEA-NO2-09","price":1260.0,"currency_code":"USD","in_stock":true},{"title":"O3 (Ozone) 0-0.60 ppm, Standard","offer_id":48206563279038,"sku":"GD-70DEA-O3","price":1260.0,"currency_code":"USD","in_stock":true},{"title":"AsH3 (Arsine) 0-0.20 ppm, Standard","offer_id":48206563311806,"sku":"GD-70DEA-ASH3","price":1260.0,"currency_code":"USD","in_stock":true},{"title":"SiH4 (Silane) 0-15 ppm, Standard","offer_id":48206563344574,"sku":"GD-70DEA-SIH4AH","price":1260.0,"currency_code":"USD","in_stock":true},{"title":"Toxic Gas Monitor, No Sensor (Base Unit)","offer_id":48206563377342,"sku":"GD-70DEA-NS","price":870.0,"currency_code":"USD","in_stock":true},{"title":"TEOS 0-15 ppm, with Pyrolyzer","offer_id":48206563410110,"sku":"GD-70DPEA-TEOS","price":2002.5,"currency_code":"USD","in_stock":true},{"title":"CH4 (Methane) 0-100% LEL, NEMA 4X","offer_id":48206563442878,"sku":"GD-70DEA4X-LCH4","price":1807.5,"currency_code":"USD","in_stock":true},{"title":"O2 (Oxygen) 0-25% Vol, NEMA 4X","offer_id":48206563475646,"sku":"GD-70DEA4XOXYEC","price":1965.0,"currency_code":"USD","in_stock":true},{"title":"H2 (Hydrogen) 0-100% LEL, NEMA 4X with Horn \u0026 Strobe","offer_id":48206563508414,"sku":"GD-70DEA4J-LH2","price":2201.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/gd70d_transmitter.jpg?v=1785127333"},{"product_id":"rki-air-alert-fixed-gas-transmitter","title":"RKI Air Alert Fixed Gas Transmitter","description":"\u003cp\u003eThe RKI Air Alert is a compact, wall-mounted fixed gas transmitter using electrochemical, infrared, or PID sensor elements to cover 50+ gases — from common toxics like CO, H2S, and NH3 to refrigerants, ozone, and VOCs. A clear polycarbonate window over 3-color alarm LEDs and an audible buzzer give local status at a glance, while both 4-20mA (3-wire) analog and RS-485 Modbus outputs integrate directly into a building automation or process control system.\u003c\/p\u003e\n\u003cp\u003eAvailable with a local LED\/buzzer display or a 2-relay configuration for direct alarm switching, and in a wireless, dual battery-powered version (Airlink Alert) that reports over a 900MHz radio link for installations where running wire back to a controller isn't practical. The NEMA Class I\/4\/4X\/6 polycarbonate enclosure is IP66, UL508, and UL746C(f1) rated for indoor or outdoor mounting — this is a general-purpose transmitter, not explosion-proof rated. The configurations listed here cover the most commonly ordered gas types and power\/connectivity options; additional gas ranges are available by quote.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"CO 0-300 ppm, AC Power, Local Display","offer_id":48206570487998,"sku":"66-5A01-03-L","price":1147.5,"currency_code":"USD","in_stock":true},{"title":"O2 0-25% Vol, AC Power, Local Display","offer_id":48206570520766,"sku":"66-5A02-25-L","price":1839.75,"currency_code":"USD","in_stock":true},{"title":"H2S 0-100 ppm, AC Power, Local Display","offer_id":48206570553534,"sku":"66-5A03-10-L","price":1839.75,"currency_code":"USD","in_stock":true},{"title":"NH3 0-100 ppm, AC Power, Local Display","offer_id":48206570586302,"sku":"66-5A06-10-L","price":1980.0,"currency_code":"USD","in_stock":true},{"title":"Cl2 0-10 ppm, AC Power, Local Display","offer_id":48206570619070,"sku":"66-5A12-10-L","price":1980.0,"currency_code":"USD","in_stock":true},{"title":"HCN 0-15 ppm, AC Power, Local Display","offer_id":48206570651838,"sku":"66-5A05-15-L","price":1387.5,"currency_code":"USD","in_stock":true},{"title":"SO2 0-20 ppm, AC Power, Local Display","offer_id":48206570684606,"sku":"66-5A10-20-L","price":1980.0,"currency_code":"USD","in_stock":true},{"title":"PH3 0-5 ppm, AC Power, Local Display","offer_id":48206570717374,"sku":"66-5A15-05-L","price":2505.0,"currency_code":"USD","in_stock":true},{"title":"HF 0-10 ppm, AC Power, Local Display","offer_id":48206570750142,"sku":"66-5A14-10-L","price":2392.5,"currency_code":"USD","in_stock":true},{"title":"HCl 0-20 ppm, AC Power, Local Display","offer_id":48206570782910,"sku":"66-5A04-02-L","price":2392.5,"currency_code":"USD","in_stock":true},{"title":"H2 0-100% LEL, AC Power, Local Display","offer_id":48206570815678,"sku":"66-5A39-40-L","price":2392.5,"currency_code":"USD","in_stock":true},{"title":"Hydrocarbons (CH4) 0-100% LEL, IR, AC Power, Local Display","offer_id":48206570848446,"sku":"66-5A51-10-L","price":2392.5,"currency_code":"USD","in_stock":true},{"title":"CO2 0-5,000 ppm, IR, AC Power, Local Display","offer_id":48206570881214,"sku":"66-5A54-05-L","price":2392.5,"currency_code":"USD","in_stock":true},{"title":"VOC 10.6 eV PID 0-100 ppm, AC Power, Local Display","offer_id":48206570913982,"sku":"66-5A93-10-L","price":2709.75,"currency_code":"USD","in_stock":true},{"title":"AsH3 0-1 ppm, AC Power, Local Display","offer_id":48206570946750,"sku":"66-5A68-01-L","price":2392.5,"currency_code":"USD","in_stock":true},{"title":"O2 0-25% Vol, AC Power, 2 Relays (No Display)","offer_id":48206570979518,"sku":"66-5A02-25-R","price":1526.25,"currency_code":"USD","in_stock":true},{"title":"CO 0-1000 ppm, Wireless Battery-Powered, 900MHz","offer_id":48206571012286,"sku":"66-5B01-99-W","price":1481.25,"currency_code":"USD","in_stock":true},{"title":"H2S 0-100 ppm, Wireless Battery-Powered, 900MHz","offer_id":48206571045054,"sku":"66-5B03-10-W","price":1481.25,"currency_code":"USD","in_stock":true},{"title":"VOC 10.6 eV PID 0-100 ppm, Wireless Battery-Powered, 900MHz","offer_id":48206571077822,"sku":"66-5B93-10-W","price":2788.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/Air-Alert-Image_436043d9-c888-4ef9-bbd5-0b0c6e94af4d.jpg?v=1785127508"}],"url":"https:\/\/envirotechonline.com\/collections\/rki-instruments.oembed","provider":"EnviroTech Services","version":"1.0","type":"link"}