{"title":"RKI Instruments Parts \u0026 Accessories","description":"\u003cp\u003eReplacement sensors, calibration gas, calibration kits, spare parts, and accessories for RKI Instruments fixed and portable gas detection equipment.\u003c\/p\u003e","products":[{"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. Its 4x20-character LCD and simple 3-button knob interface make site surveys quick, and a rechargeable Li-ion battery delivers roughly 16 hours of runtime between charges.\u003c\/p\u003e\n\u003cp\u003eAvailable in 900MHz (52 networks) or 2.4GHz (78 networks) radio bands to match the AirLink system it's paired with, the AirLink 9100 ships in a lightweight aluminum enclosure suited for walking a site during commissioning, troubleshooting, or periodic wireless network verification.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"2.4GHz Radio","offer_id":48206211449022,"sku":"74-9100-2","price":1215.0,"currency_code":"USD","in_stock":true},{"title":"900MHz Radio","offer_id":48206211481790,"sku":"74-9100-9","price":1215.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/AirLink-9100-Image.jpg?v=1785119546"},{"product_id":"rki-airlink-5900-wireless-gas-detector-converter","title":"RKI AirLink 5900 Wireless Gas Detector Converter","description":"\u003cp\u003eThe RKI AirLink 5900 converts any existing 4-20mA fixed gas detector into a wireless transmitter, letting facilities retrofit hardwired sensors onto an AirLink wireless network without rerunning cable. A sunlight-readable 102x64 LCD shows live readings locally, and the aluminum housing carries ATEX and CSA explosion-proof certification for hazardous-area installation.\u003c\/p\u003e\n\u003cp\u003eAvailable in 900MHz (52 networks) or 2.4GHz (78 networks) radio bands to match the receiving AirLink 7010, 7032, or 7543 controller, the AirLink 5900 is wire-powered at 12-35VDC and rated for -40°C to +54°C operation — a straightforward way to extend an existing wired gas detection network wirelessly.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"2.4GHz Radio","offer_id":48206418444478,"sku":"66-5900-2","price":1666.5,"currency_code":"USD","in_stock":true},{"title":"900MHz Radio","offer_id":48206418477246,"sku":"66-5900-9","price":1666.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/AirLink-5900-clipped-image.jpg?v=1785124160"},{"product_id":"rki-airlink-5950-wireless-switch-state-transmitter","title":"RKI AirLink 5950 Wireless Switch-State Transmitter","description":"\u003cp\u003eThe RKI AirLink 5950 wirelessly reports the state of up to two dry-contact devices — flow switches, door switches, limit switches — onto an AirLink wireless gas monitoring network, transmitting every 2 minutes by default or every 5 seconds when a monitored contact changes state. A 102x64 transflective LCD and three magnetic buttons let technicians check status and configuration without opening the enclosure.\u003c\/p\u003e\n\u003cp\u003eExplosion-proof versions run on an internal 3.6V\/19Ah battery pack, while the NXP version is AC powered; both are QPS-certified Class I, Division 1, Groups C\u0026amp;D for hazardous locations and rated -40°C to +60°C. Available in 900MHz or 2.4GHz radio bands to match the receiving AirLink controller.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"2.4GHz, Explosion-Proof, Battery Powered","offer_id":48206420902078,"sku":"66-5950-2","price":1237.5,"currency_code":"USD","in_stock":true},{"title":"900MHz, Explosion-Proof, Battery Powered","offer_id":48206420934846,"sku":"66-5950-9","price":1237.5,"currency_code":"USD","in_stock":true},{"title":"900MHz, NXP, AC Powered","offer_id":48206420967614,"sku":"66-5950-9N","price":1039.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/AirLink-5950-clipped-image.jpg?v=1785124212"},{"product_id":"rki-airlink-7530-wireless-relay-module","title":"RKI AirLink 7530 Wireless Relay Module","description":"\u003cp\u003eThe RKI AirLink 7530 receives up to 32 wireless sensor inputs and converts alarm conditions into three dry-contact relay outputs (4A fuses, 3 configurable setpoints per channel, latching or non-latching), giving a wireless gas detection network local horn\/strobe or shutdown control without running back to a central controller. A 128x64 LCD shows live channel status directly on the unit.\u003c\/p\u003e\n\u003cp\u003eAvailable in a standard aluminum enclosure or an explosion-proof (XP) version certified for Class I Groups B, C, D and Class II Groups E, F, G locations, the AirLink 7530 runs on 12-35VDC or an optional 120VAC supply and operates from -40°F to 158°F. Choose 900MHz or 2.4GHz radio to match the wireless network it's joining.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"2.4GHz, Non-Explosion-Proof","offer_id":48206421852350,"sku":"66-7530-2N-A","price":2077.5,"currency_code":"USD","in_stock":true},{"title":"900MHz, Non-Explosion-Proof","offer_id":48206421885118,"sku":"66-7530-9N-A","price":2077.5,"currency_code":"USD","in_stock":true},{"title":"900MHz, Explosion-Proof","offer_id":48206421917886,"sku":"66-7530-9X-A","price":4001.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/AirLink-7530-Image.jpg?v=1785124218"},{"product_id":"rki-airlink-9900-wireless-signal-repeater","title":"RKI AirLink 9900 Wireless Signal Repeater","description":"\u003cp\u003eThe RKI AirLink 9900 extends the range of an AirLink wireless gas monitoring network by relaying signals between distant transmitters and the receiving controller, supporting up to 255 network addresses across 52 (900MHz) or 78 (2.4GHz) available networks. Dual external N-female antenna connectors and a 102x64 transflective LCD let installers verify signal strength during setup.\u003c\/p\u003e\n\u003cp\u003eWire-powered at 12-35VDC (150mA max draw), the AirLink 9900 ships with a flexible antenna, right-angle antenna, extension cable, and lightning ground cable, and is available in a 100-240VAC non-explosion-proof version for indoor installs. Its aluminum enclosure is CQPSUS certified Class I, Division 1, Groups C\u0026amp;D and rated -40°C to +60°C.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"2.4GHz, 12-35VDC Power","offer_id":48206459732158,"sku":"66-9900-2","price":3097.5,"currency_code":"USD","in_stock":true},{"title":"2.4GHz, 100-240VAC, Non-Explosion-Proof","offer_id":48206459764926,"sku":"66-9900-2N-A","price":1724.25,"currency_code":"USD","in_stock":true},{"title":"900MHz, 12-35VDC Power","offer_id":48206459797694,"sku":"66-9900-9","price":3097.5,"currency_code":"USD","in_stock":true},{"title":"900MHz, 100-240VAC, Non-Explosion-Proof","offer_id":48206459830462,"sku":"66-9900-9N-A","price":1724.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/mainLogo_ef871b1f-704a-4e48-861a-3754c7e08f09.png?v=1785125047"},{"product_id":"rki-airlink-6900-6940-wireless-multi-sensor-transmitter","title":"RKI AirLink 6900\/6940 Wireless Multi-Sensor Transmitter","description":"\u003cp\u003eThe RKI AirLink 6900\/6940 series wirelessly reports readings from multiple remote-mounted gas sensor heads — electrochemical, PID, or low-power infrared — onto an AirLink network, with the battery-powered 6900 running on dual 3.6V lithium cells for up to 2 years and the AC-powered 6940NXP handling up to 4 simultaneous sensor heads with an integrated backup battery. Remote sensor cable runs extend up to 250 feet for electrochemical heads.\u003c\/p\u003e\n\u003cp\u003eThe 6900 carries CQPSUS Class I, Division 1 \u0026amp; 2, Groups B, C, D certification with a NEMA 3\/4\/4X\/7\/9 housing, while the 6940NXP uses a NEMA 4\/4X\/6 fiberglass enclosure (IP66, UL508\/746C). Both transmit over 900MHz or 2.4GHz radio (roughly 1-1.5 mile range) to an AirLink 7010 or 7032 controller.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"Quad Transmitter, 2 Sensors, Explosion-Proof, Battery Powered","offer_id":48206459863230,"sku":"74-429","price":3690.0,"currency_code":"USD","in_stock":true},{"title":"Quad Transmitter, 3 Sensors, NXP, AC Powered","offer_id":48206459895998,"sku":"74-439NXP","price":2385.0,"currency_code":"USD","in_stock":true},{"title":"Quad Transmitter, 4 Sensors, Explosion-Proof, Battery Powered","offer_id":48206459928766,"sku":"74-449","price":3690.0,"currency_code":"USD","in_stock":true},{"title":"Quad Transmitter, 4 Sensors, NXP, AC Powered","offer_id":48206459961534,"sku":"74-449NXP","price":2385.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/AirLink-6900-Image.jpg?v=1785125038"},{"product_id":"rki-gd-81d-smart-gas-transmitter","title":"RKI GD-81D Smart Gas Transmitter","description":"\u003cp\u003eThe RKI GD-81D is a sample-draw smart transmitter built on a common sensing platform compatible with 300+ existing RKI sensor types, letting one wall-mounted housing cover combustible gas, a wide range of toxics, oxygen, or CO2 depending on the sensor installed. 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-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. A 3-character 7-segment display and magnetic switches let technicians check readings and configuration without opening the enclosure.\u003c\/p\u003e\n\u003cp\u003eThe T2A draws just 35mA max at 12-35VDC and outputs a standard 4-20mA loop signal, with an aluminum enclosure and 303 stainless steel sensor housing certified cCSAus Class I Division 1 \u0026amp; 2 Groups B, C, D and rated NEMA 3\/4\/4X\/7\/9 for -40°C to 60°C operation. Its broad gas library makes it a common fit for facilities standardizing on one transmitter platform across many different toxic gas monitoring points.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"Carbon Dioxide (CO2) 0-5%","offer_id":48206493679806,"sku":"65-2698","price":1140.0,"currency_code":"USD","in_stock":true},{"title":"Carbon Monoxide (CO) 0-300 ppm","offer_id":48206493712574,"sku":"66-6201-03","price":1369.5,"currency_code":"USD","in_stock":true},{"title":"Oxygen (O2) 0-25%","offer_id":48206493745342,"sku":"66-6202-25","price":1369.5,"currency_code":"USD","in_stock":true},{"title":"Hydrogen Sulfide (H2S) 0-100 ppm","offer_id":48206493778110,"sku":"66-6203-10","price":1369.5,"currency_code":"USD","in_stock":true},{"title":"Hydrogen Chloride (HCl) 0-30 ppm","offer_id":48206493810878,"sku":"66-6204-30","price":1922.25,"currency_code":"USD","in_stock":true},{"title":"Hydrogen Cyanide (HCN) 0-30 ppm","offer_id":48206493843646,"sku":"66-6205-30","price":1518.0,"currency_code":"USD","in_stock":true},{"title":"Ammonia (NH3) 0-100 ppm","offer_id":48206493876414,"sku":"66-6206-10","price":1518.0,"currency_code":"USD","in_stock":true},{"title":"Nitric Oxide (NO) 0-250 ppm","offer_id":48206493909182,"sku":"66-6207-25","price":1518.0,"currency_code":"USD","in_stock":true},{"title":"Nitrogen Dioxide (NO2) 0-20 ppm","offer_id":48206493941950,"sku":"66-6208-20","price":1518.0,"currency_code":"USD","in_stock":true},{"title":"Ozone (O3) 0-5 ppm","offer_id":48206493974718,"sku":"66-6209-05","price":1922.25,"currency_code":"USD","in_stock":true},{"title":"Sulfur Dioxide (SO2) 0-20 ppm","offer_id":48206494007486,"sku":"66-6210-20","price":1518.0,"currency_code":"USD","in_stock":true},{"title":"Formaldehyde (HCHO) 0-10 ppm","offer_id":48206494040254,"sku":"66-6211-10","price":1922.25,"currency_code":"USD","in_stock":true},{"title":"Chlorine (Cl2) 0-10 ppm","offer_id":48206494073022,"sku":"66-6212-10","price":1518.0,"currency_code":"USD","in_stock":true},{"title":"Chlorine Dioxide (ClO2) 0-5 ppm","offer_id":48206494105790,"sku":"66-6213-05","price":1518.0,"currency_code":"USD","in_stock":true},{"title":"Hydrogen Fluoride (HF) 0-10 ppm","offer_id":48206494138558,"sku":"66-6214-10","price":1922.25,"currency_code":"USD","in_stock":true},{"title":"Phosphine (PH3) 0-5 ppm","offer_id":48206494171326,"sku":"66-6215-05","price":2029.5,"currency_code":"USD","in_stock":true},{"title":"Ethylene Oxide (ETO) 0-10 ppm","offer_id":48206494204094,"sku":"66-6216-10","price":1922.25,"currency_code":"USD","in_stock":true},{"title":"Hydrogen (H2) 0-100% LEL","offer_id":48206494236862,"sku":"66-6239-40","price":1922.25,"currency_code":"USD","in_stock":true},{"title":"Arsine (AsH3) 0-1.0 ppm","offer_id":48206494269630,"sku":"66-6268-01","price":1922.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/T2A-Image.jpg?v=1785125913"},{"product_id":"rki-gd-k88ai-smart-gas-transmitter","title":"RKI GD-K88AI Smart Gas Transmitter","description":"\u003cp\u003eThe RKI GD-K88AI is an intrinsically safe smart transmitter built for the specialty toxic gases common in semiconductor and electronics manufacturing — arsine, diborane, silane, disilane, tungsten hexafluoride, and more — alongside standard industrial toxics like chlorine, ammonia, and hydrogen sulfide. Electrochemical sensors rated for 3-5 year service life keep maintenance intervals long for gases that are otherwise costly to monitor continuously.\u003c\/p\u003e\n\u003cp\u003eAvailable in a standard diffusion housing, a NEMA 4X enclosure for washdown or outdoor environments, or a sample-draw (GD-K88DI) version for remote-point monitoring, the GD-K88AI outputs 4-20mA (≤300Ω load) at 15-27VDC and carries intrinsic safety certification (Ex ia IIC T4) when paired with a Zener barrier.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"Standard: Chlorine (Cl2) 0-3 ppm","offer_id":48206498332862,"sku":"GD-K88AI-CL2","price":1140.0,"currency_code":"USD","in_stock":true},{"title":"Standard: Carbon Monoxide (CO) 0-150 ppm","offer_id":48206498365630,"sku":"GD-K88AI-CO","price":1140.0,"currency_code":"USD","in_stock":true},{"title":"Standard: Hydrogen Cyanide (HCN) 0-15 ppm","offer_id":48206498398398,"sku":"GD-K88AI-HCN","price":1140.0,"currency_code":"USD","in_stock":true},{"title":"Standard: Ammonia (NH3) 0-75 ppm","offer_id":48206498431166,"sku":"GD-K88AI-NH3","price":1140.0,"currency_code":"USD","in_stock":true},{"title":"Standard: Phosphine (PH3) 0-1 ppm","offer_id":48206498463934,"sku":"GD-K88AI-PH3","price":1140.0,"currency_code":"USD","in_stock":true},{"title":"Standard: Sulfur Dioxide (SO2) 0-6 ppm","offer_id":48206498496702,"sku":"GD-K88AI-SO2","price":1140.0,"currency_code":"USD","in_stock":true},{"title":"Standard: Silane (SiH4) 0-15 ppm","offer_id":48206498529470,"sku":"GD-K88AI-SIH4-A","price":1140.0,"currency_code":"USD","in_stock":true},{"title":"Standard: Disilane (Si2H6) 0-15 ppm","offer_id":48206498562238,"sku":"GD-K88AI-SI2H6","price":1140.0,"currency_code":"USD","in_stock":true},{"title":"NEMA 4X: Arsine (AsH3) 0-0.2 ppm","offer_id":48206498595006,"sku":"GD-K884X-ASH3","price":1537.5,"currency_code":"USD","in_stock":true},{"title":"NEMA 4X: Diborane (B2H6) 0-0.3 ppm","offer_id":48206498627774,"sku":"GD-K884X-B2H6","price":1537.5,"currency_code":"USD","in_stock":true},{"title":"NEMA 4X: Hydrogen Sulfide (H2S) 0-1 ppm","offer_id":48206498660542,"sku":"GD-K884X-H2S-01","price":1537.5,"currency_code":"USD","in_stock":true},{"title":"NEMA 4X: Tungsten Hexafluoride (WF6) 0-9 ppm","offer_id":48206498693310,"sku":"GD-K884X-WF6","price":1537.5,"currency_code":"USD","in_stock":true},{"title":"Sample Draw: Hydrogen Sulfide (H2S) 0-30 ppm","offer_id":48206498726078,"sku":"GD-K88DI-H2S-30","price":1807.5,"currency_code":"USD","in_stock":true},{"title":"Sample Draw: Hydrogen Chloride (HCl) 0-15 ppm","offer_id":48206498758846,"sku":"GD-K88DI-HCL-15","price":1807.5,"currency_code":"USD","in_stock":true},{"title":"Sample Draw: Ozone (O3) 0-1.00 ppm","offer_id":48206498791614,"sku":"GD-K88DI-O3-10","price":1807.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/GD-K88Ai-1.jpg?v=1785126029"},{"product_id":"rki-aspirator-sampling-panel","title":"RKI Aspirator Sampling Panel","description":"\u003cp\u003eThe RKI Aspirator Sampling Panel mounts one or two fixed gas transmitters — M2A, M2A-XL, Direct Connect, S2, T2A, T3A, or VOC Pro — into an aspirated flow-through housing with a built-in flow switch, drawing a continuous sample past the sensor rather than relying on ambient diffusion. 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. The flow switch alarms on loss of sample flow, protecting against a false \"all clear\" reading if the aspirator fails.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"One LEL M2A Transmitter","offer_id":48206503542974,"sku":"30-0954RK-201","price":3075.0,"currency_code":"USD","in_stock":true},{"title":"Two LEL M2A Transmitters","offer_id":48206503575742,"sku":"30-0954RK-202","price":3311.25,"currency_code":"USD","in_stock":true},{"title":"One Oxygen\/Toxic M2A Transmitter","offer_id":48206503608510,"sku":"30-0954RK-203","price":3075.0,"currency_code":"USD","in_stock":true},{"title":"Two Oxygen\/Toxic M2A Transmitters","offer_id":48206503641278,"sku":"30-0954RK-204","price":3311.25,"currency_code":"USD","in_stock":true},{"title":"One IR M2A Transmitter","offer_id":48206503674046,"sku":"30-0954RK-205","price":3075.0,"currency_code":"USD","in_stock":true},{"title":"Two IR M2A Transmitters","offer_id":48206503706814,"sku":"30-0954RK-206","price":3311.25,"currency_code":"USD","in_stock":true},{"title":"One LEL + One Oxygen\/Toxic M2A","offer_id":48206503739582,"sku":"30-0954RK-207","price":3311.25,"currency_code":"USD","in_stock":true},{"title":"One LEL Direct Connect or S2","offer_id":48206503772350,"sku":"30-0954RK-221","price":2475.0,"currency_code":"USD","in_stock":true},{"title":"One Oxygen\/Toxic Direct Connect or S2","offer_id":48206503805118,"sku":"30-0954RK-223","price":2475.0,"currency_code":"USD","in_stock":true},{"title":"One T2A, T3A, or VOC Pro","offer_id":48206503837886,"sku":"30-0954RK-281","price":3217.5,"currency_code":"USD","in_stock":true},{"title":"Two T2A, T3A, or VOC Pro","offer_id":48206503870654,"sku":"30-0954RK-282","price":3311.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/mainLogo_da008211-dfba-4422-a947-010c1ae7fe92.png?v=1785126117"},{"product_id":"rki-direct-connect-gas-sensor","title":"RKI Direct Connect Gas Sensor","description":"\u003cp\u003eThe RKI Direct Connect Gas Sensor is a bare detector head that wires straight into a Beacon controller, RM-5000 module, or other 4-20mA-compatible system without its own local display or transmitter electronics — the simplest, lowest-cost way to add a fixed sensing point to an existing control system. 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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An internal 0.5 L\/min auto-adjusting pump draws sample to the sensor, and an optional Pyrolyzer\/PLU-70 conditioning unit extends coverage to compounds like TEOS, TEB, TEOP, and NF3 used in vaporized hydrogen peroxide (VHP) disinfection and semiconductor CVD processes.\u003c\/p\u003e\n\u003cp\u003eStandard output is 4-20mA, with optional Ethernet (10\/100BASE-T) connectivity or Lonworks networking, and dry-contact relays for 1st\/2nd\/trouble alarms. Choose the compact standard housing or a NEMA 4X enclosure, the latter available with an integrated horn\/strobe or Federal Signal strobe for local alarm annunciation; a no-sensor base unit is also available for facilities specifying their own sensor cartridge separately. Power is 24VDC ±10% (~1.5-4W standard, up to 25W with the Pyrolyzer). 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"},{"product_id":"rki-t3a-explosion-proof-fixed-gas-transmitter","title":"RKI T3A Explosion-Proof Fixed Gas Transmitter","description":"\u003cp\u003eThe RKI T3A is a 3-wire, explosion-proof fixed gas transmitter using electrochemical, infrared, or catalytic bead sensing to cover a broad range of toxic and combustible gases — including LEL, Cl2, CO, CO2, H2S, HCl, HCN, HF, NH3, NO2, O2, O3, PH3, and SO2. Both 4-20mA analog and RS-485 Modbus outputs are standard, with a self-powered wet-contact fault relay built in.\u003c\/p\u003e\n\u003cp\u003eThe cast enclosure is certified explosion\/flame-proof (CQPSUS) Class I Division 1 \u0026amp; 2 Groups B, C, D, rated NEMA 3, 4, 4X, 7(B,C,D), 9(E,F,G) for hazardous-area installation, and operates from -40°C to +54°C on 12-35VDC (2W max). Choose the standard sensor\/transmitter, a 2-relay version for local alarm switching, or the wireless AirLink T3A that reports over a 900MHz radio link where running conduit isn't practical. A remote sensor kit extends the sensing point up to 250 ft (electrochemical), 40 ft (infrared), or 15 ft (catalytic) from the transmitter electronics. The configurations listed here cover the most commonly ordered gas types and options; additional ranges are available by quote.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"CO 0-500 ppm, Standard","offer_id":48206578155710,"sku":"66-6301-05","price":1237.5,"currency_code":"USD","in_stock":true},{"title":"O2 0-25%, Standard","offer_id":48206578188478,"sku":"66-6302-25","price":1237.5,"currency_code":"USD","in_stock":true},{"title":"H2S 0-100 ppm, Standard","offer_id":48206578221246,"sku":"66-6303-10","price":1237.5,"currency_code":"USD","in_stock":true},{"title":"NH3 0-100 ppm, Standard","offer_id":48206578254014,"sku":"66-6306-10","price":1377.75,"currency_code":"USD","in_stock":true},{"title":"Cl2 0-10 ppm, Standard","offer_id":48206578286782,"sku":"66-6312-10","price":1377.75,"currency_code":"USD","in_stock":true},{"title":"HCN 0-50 ppm, Standard","offer_id":48206578319550,"sku":"66-6305-50","price":1377.75,"currency_code":"USD","in_stock":true},{"title":"HCl 0-20 ppm, Standard","offer_id":48206578352318,"sku":"66-6304-20","price":1773.75,"currency_code":"USD","in_stock":true},{"title":"SO2 0-20 ppm, Standard","offer_id":48206578385086,"sku":"66-6310-20","price":1377.75,"currency_code":"USD","in_stock":true},{"title":"PH3 0-5 ppm, Standard","offer_id":48206578417854,"sku":"66-6315-05","price":1905.75,"currency_code":"USD","in_stock":true},{"title":"HF 0-10 ppm, Standard","offer_id":48206578450622,"sku":"66-6314-10","price":1773.75,"currency_code":"USD","in_stock":true},{"title":"H2 0-100% LEL, Standard","offer_id":48206578483390,"sku":"66-6339-40","price":1773.75,"currency_code":"USD","in_stock":true},{"title":"Hydrocarbon (CH4) 0-100% LEL, Catalytic, Standard","offer_id":48206578516158,"sku":"66-6340-10","price":1377.75,"currency_code":"USD","in_stock":true},{"title":"CO2 0-5% Vol, IR, Standard","offer_id":48206578548926,"sku":"66-6350-05","price":1773.75,"currency_code":"USD","in_stock":true},{"title":"AsH3 0-1 ppm, Standard","offer_id":48206578581694,"sku":"66-6368-01","price":1773.75,"currency_code":"USD","in_stock":true},{"title":"O2 0-25%, with 2 Relays","offer_id":48206578614462,"sku":"66-6302-25-R","price":1452.0,"currency_code":"USD","in_stock":true},{"title":"H2S 0-100 ppm, with 2 Relays","offer_id":48206578647230,"sku":"66-6303-10-R","price":1452.0,"currency_code":"USD","in_stock":true},{"title":"CO 0-500 ppm, AirLink Wireless 900MHz","offer_id":48206578679998,"sku":"66-6301-05-W","price":3102.0,"currency_code":"USD","in_stock":true},{"title":"H2S 0-100 ppm, AirLink Wireless 900MHz","offer_id":48206578712766,"sku":"66-6303-10-W","price":3102.0,"currency_code":"USD","in_stock":true},{"title":"NH3 0-100 ppm, AirLink Wireless 900MHz","offer_id":48206578745534,"sku":"66-6306-10-W","price":3242.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/T3A-Image_40c7023b-cb68-4111-affe-91bf7d5e6d88.jpg?v=1785127628"},{"product_id":"rki-s2-series-gas-sensor-transmitter","title":"RKI S2 Series Gas Sensor\/Transmitter","description":"\u003cp\u003eThe RKI S2 Series is a plug-in, field-replaceable gas sensor\/transmitter built around catalytic bead, infrared, MOS, galvanic, or electrochemical sensing elements to cover combustible gas (LEL), hydrogen-specific detection, oxygen, and a wide range of toxic gases including AsH3, Cl2, ClO2, HCN, NH3, NO2, PH3, and SO2. Standard 4-20mA output pairs with RKI Beacon controllers, PLCs, or any compatible DCS.\u003c\/p\u003e\n\u003cp\u003eCombustible, hydrogen-specific, oxygen, H2S, and CO2 versions are available in an explosion-proof housing with flame arrestors (Class I Division 1 Groups B, C, D) or a non-explosion-proof housing for Class I Division 2 installations; toxic sensor versions are rated for Division 2 service. An optional stainless steel junction box suits corrosive environments, and units are rated for indoor or outdoor mounting. A no-sensor base unit is also available for facilities specifying their own detector separately. Sensor service life runs 2-3 years for flammable sensors, 3-5 years for toxics, and 5+ years for O2, CO2, and IR sensors. The configurations listed here cover the most commonly ordered sensor types and housings; additional gas ranges and calibrations are available by quote.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"LEL 0-100% Catalytic, Explosion-Proof (UL)","offer_id":48206584578238,"sku":"65-2405RK","price":506.25,"currency_code":"USD","in_stock":true},{"title":"LEL 0-100% Catalytic, Explosion-Proof, Stainless Steel J-Box","offer_id":48206584611006,"sku":"65-2405RKSS","price":581.25,"currency_code":"USD","in_stock":true},{"title":"O2 0-25% Capillary, Explosion-Proof (CSA)","offer_id":48206584643774,"sku":"65-2322RK","price":547.5,"currency_code":"USD","in_stock":true},{"title":"H2S 0-100 ppm, Explosion-Proof (CSA)","offer_id":48206584676542,"sku":"65-2331RK","price":645.0,"currency_code":"USD","in_stock":true},{"title":"CO 0-300 ppm, Explosion-Proof (CSA)","offer_id":48206584709310,"sku":"65-2336RK","price":645.0,"currency_code":"USD","in_stock":true},{"title":"AsH3 0-1.5 ppm, Non-Explosion-Proof","offer_id":48206584742078,"sku":"65-2340RK-ASH3","price":660.0,"currency_code":"USD","in_stock":true},{"title":"PH3 0-1 ppm, Non-Explosion-Proof","offer_id":48206584774846,"sku":"65-2340RK-PH3","price":660.0,"currency_code":"USD","in_stock":true},{"title":"HCN 0-15 ppm, CT-7 Sensor, Non-Explosion-Proof","offer_id":48206584807614,"sku":"65-2341-HCN-15","price":903.75,"currency_code":"USD","in_stock":true},{"title":"SO2 0-10 ppm, CT-7 Sensor, Non-Explosion-Proof","offer_id":48206584840382,"sku":"65-2341-SO2-10","price":903.75,"currency_code":"USD","in_stock":true},{"title":"Cl2 0-10 ppm, CT-7 Sensor, Non-Explosion-Proof","offer_id":48206584873150,"sku":"65-2341-CL2-10","price":903.75,"currency_code":"USD","in_stock":true},{"title":"NH3 0-75 ppm, CT-7 Sensor, Non-Explosion-Proof","offer_id":48206584905918,"sku":"65-2341-NH3-75","price":903.75,"currency_code":"USD","in_stock":true},{"title":"NO2 0-15 ppm, CT-7 Sensor, Non-Explosion-Proof","offer_id":48206584938686,"sku":"65-2341-NO2","price":903.75,"currency_code":"USD","in_stock":true},{"title":"IR Methane (CH4) 0-100% LEL, Explosion-Proof","offer_id":48206584971454,"sku":"65-2394RK-CH4","price":821.25,"currency_code":"USD","in_stock":true},{"title":"IR CO2 0-5,000 ppm, Explosion-Proof (UL)","offer_id":48206585004222,"sku":"65-2396RK-02","price":821.25,"currency_code":"USD","in_stock":true},{"title":"IR CO2 0-5,000 ppm, Non-Explosion-Proof","offer_id":48206585036990,"sku":"65-2397RK-02","price":738.75,"currency_code":"USD","in_stock":true},{"title":"H2-Specific MOS 0-2,000 ppm, Explosion-Proof (UL)","offer_id":48206585069758,"sku":"65-2445-2000","price":645.0,"currency_code":"USD","in_stock":true},{"title":"H2-Specific 0-100% LEL, Explosion-Proof (UL)","offer_id":48206585102526,"sku":"65-2451RK","price":622.5,"currency_code":"USD","in_stock":true},{"title":"TC Hydrogen 0-10% Vol, Explosion-Proof","offer_id":48206585135294,"sku":"65-2462RK","price":945.0,"currency_code":"USD","in_stock":true},{"title":"LEL, No Sensor, Base Unit","offer_id":48206585168062,"sku":"65-2405-NS","price":330.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/S2_series.jpg?v=1785127743"},{"product_id":"rki-calibration-gas-cylinders","title":"RKI Calibration Gas Cylinders","description":"\u003cp\u003eRKI calibration gas cylinders provide certified reference concentrations for bump testing and calibrating RKI portable and fixed gas detectors. Available in single-gas and multi-gas mixtures across steel and aluminum cylinders in several sizes, each cylinder is factory-certified to a specific concentration and expiration date.\u003c\/p\u003e\n\u003cp\u003eThe configurations listed here cover the most commonly ordered single gases (methane, hydrogen, propane, hexane, isobutane, CO, H2S, NH3, O2, SO2, NO2, NO, Cl2, HCl, HCN, CO2, SiH4, zero air, nitrogen) and multi-gas mixes (4-gas confined-space mix, H2S\/CO\/CH4\/O2). Additional gas types, concentrations, and cylinder sizes are available by quote — \u003ca href=\"\/collections\/rki-instruments-parts-accessories\"\u003esee our full RKI Instruments Parts \u0026amp; Accessories collection\u003c\/a\u003e for regulators and calibration accessories.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"CH4 (Methane) 50% LEL in Air, 34L Steel","offer_id":48206601060542,"sku":"81-0010RK-01","price":43.5,"currency_code":"USD","in_stock":true},{"title":"H2 (Hydrogen) 1000 ppm in Air, 34L Steel","offer_id":48206601093310,"sku":"81-0000RK-01","price":43.5,"currency_code":"USD","in_stock":true},{"title":"Propane 25% LEL in Air, 34L Steel","offer_id":48206601126078,"sku":"81-0003RK-01","price":43.5,"currency_code":"USD","in_stock":true},{"title":"Hexane 15% LEL in Air, 34L Steel","offer_id":48206601158846,"sku":"81-0007RK-01","price":43.5,"currency_code":"USD","in_stock":true},{"title":"Isobutane 500 ppm in Air, 34L Steel","offer_id":48206601191614,"sku":"81-0017RK-01","price":43.5,"currency_code":"USD","in_stock":true},{"title":"Isobutylene 100 ppm in Air, 34L Steel","offer_id":48206601224382,"sku":"81-0103RK-01","price":43.5,"currency_code":"USD","in_stock":true},{"title":"Zero Air, 34L Steel","offer_id":48206601257150,"sku":"81-0076RK-01","price":43.5,"currency_code":"USD","in_stock":true},{"title":"N2 (Nitrogen) 100%, 34L Steel","offer_id":48206601289918,"sku":"81-0078RK-01","price":43.5,"currency_code":"USD","in_stock":true},{"title":"H2S 50 ppm \/ Isobutane 50% LEL in N2, 58AL","offer_id":48206601322686,"sku":"81-0140RK-02","price":171.0,"currency_code":"USD","in_stock":true},{"title":"NH3 (Ammonia) 5 ppm in N2, 58AL","offer_id":48206601355454,"sku":"81-0173RK-02","price":225.0,"currency_code":"USD","in_stock":true},{"title":"SO2 5 ppm in N2, 58AL","offer_id":48206601388222,"sku":"81-0170RK-02","price":126.0,"currency_code":"USD","in_stock":true},{"title":"NO2 10 ppm \/ CO 50 ppm \/ O2 12% \/ CH4 2.5% in N2, 58AL","offer_id":48206601420990,"sku":"81-0168RK-02","price":228.0,"currency_code":"USD","in_stock":true},{"title":"NO (Nitric Oxide) 25 ppm in N2, 58AL","offer_id":48206601453758,"sku":"81-0181RK-02","price":225.0,"currency_code":"USD","in_stock":true},{"title":"Cl2 (Chlorine) 5 ppm in N2, 34AL","offer_id":48206601486526,"sku":"81-0190RK-04","price":173.25,"currency_code":"USD","in_stock":true},{"title":"HCl (Hydrogen Chloride) 10 ppm in N2, 58AL","offer_id":48206601519294,"sku":"81-0194RK-02","price":225.0,"currency_code":"USD","in_stock":true},{"title":"HCN (Hydrogen Cyanide) 10 ppm in N2, 58AL","offer_id":48206601552062,"sku":"81-0196RK-02","price":225.0,"currency_code":"USD","in_stock":true},{"title":"SiH4 (Silane) 5 ppm in N2, 58AL","offer_id":48206601584830,"sku":"81-0165RK-02","price":315.0,"currency_code":"USD","in_stock":true},{"title":"CH2O (Formaldehyde) 5 ppm in N2, 58AL","offer_id":48206601617598,"sku":"81-9050RK-02","price":205.5,"currency_code":"USD","in_stock":true},{"title":"O2 0.4% in N2, 103L Steel","offer_id":48206601650366,"sku":"81-9034RK-03","price":118.5,"currency_code":"USD","in_stock":true},{"title":"CO2 35% \/ CH4 50% Vol Balance N2, 34L Steel","offer_id":48206601683134,"sku":"81-0025RK-01","price":43.5,"currency_code":"USD","in_stock":true},{"title":"Toluene 400 ppm in Air, 34AL","offer_id":48206601715902,"sku":"81-0102RK-04","price":118.5,"currency_code":"USD","in_stock":true},{"title":"4-Gas Mix: H2S 50 ppm \/ CO 500 ppm \/ CH4 50% LEL \/ O2 18%, 58AL","offer_id":48206601748670,"sku":"81-0133RK-02","price":158.25,"currency_code":"USD","in_stock":true},{"title":"H2S 25 ppm \/ CO 50 ppm \/ CH4 50% LEL \/ O2 12% in N2, 58AL","offer_id":48206601781438,"sku":"81-0154RK-02","price":150.0,"currency_code":"USD","in_stock":true},{"title":"CH4 50% LEL in Air, 100AL Refillable","offer_id":48206601814206,"sku":"81-0012RK-R100","price":138.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/mainLogo_67dc3be5-250c-4bb6-837f-73be99a332c0.png?v=1785128004"},{"product_id":"rki-portable-instrument-calibration-kits","title":"RKI Portable Instrument Calibration Kits","description":"\u003cp\u003eRKI calibration kits bundle a certified calibration gas cylinder with a demand-flow or fixed regulator, carrying case, and tubing — everything needed to bump test or calibrate a specific RKI portable gas detector model in the field. Each kit is matched to its instrument's gas type, connection, and cylinder size requirements.\u003c\/p\u003e\n\u003cp\u003eThe configurations listed here cover the most commonly ordered kits for Eagle\/Eagle 2, GX-6000, GX-3R\/GX-3R Pro, GX-2003\/GX-2012, SC-01, SC-04, RX-415\/RX-8000, RI-415\/RX-8000, GasWatch 3, and SP-220 instruments. Additional gas types and instrument-specific kits are available by quote — \u003ca href=\"\/collections\/rki-instruments-parts-accessories\"\u003esee our full RKI Instruments Parts \u0026amp; Accessories collection\u003c\/a\u003e for calibration gas cylinders sold separately.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"Eagle\/Eagle 2, 103L Methane 50% LEL, Demand Flow Reg, Case \u0026 Tubing","offer_id":48206606303422,"sku":"81-5101RK","price":393.75,"currency_code":"USD","in_stock":true},{"title":"Eagle 2, 17L Isobutane 10% Vol, Demand Flow Reg, Case \u0026 Tubing","offer_id":48206606336190,"sku":"811-021-DLV","price":318.75,"currency_code":"USD","in_stock":true},{"title":"GX-6000, Isobutylene + 4-Gas Mix, Demand Flow Reg","offer_id":48206606368958,"sku":"81-6AAX-DLV","price":525.0,"currency_code":"USD","in_stock":true},{"title":"GX-3R Pro, 4-Gas Mix (H2S\/CO\/CH4\/O2), 103L","offer_id":48206606401726,"sku":"81-PAA","price":427.5,"currency_code":"USD","in_stock":true},{"title":"GX-2003\/GX-2012, CO\/CH4\/O2 in N2, 103L, Demand Flow Reg","offer_id":48206606434494,"sku":"81-GX03CO","price":360.0,"currency_code":"USD","in_stock":true},{"title":"SC-01, PH3 0.5 ppm\/N2, 58AL, Reg with Gauge \u0026 Knob, Cal Cup","offer_id":48206606467262,"sku":"81-SC01ASH3","price":487.5,"currency_code":"USD","in_stock":true},{"title":"GX-3R\/GX-3R Pro Bump Test Kit, 4-Gas Mix, 7AL","offer_id":48206606500030,"sku":"81-GX3RBUMP","price":236.25,"currency_code":"USD","in_stock":true},{"title":"CO-03, CO 50 ppm in Air, 103L, Regulator, Cal Cup, Case \u0026 Tubing","offer_id":48206606532798,"sku":"81-CO03","price":300.0,"currency_code":"USD","in_stock":true},{"title":"CO-04, CO 50 ppm in N2, 34L, Regulator, Cal Cup, Case \u0026 Tubing","offer_id":48206606565566,"sku":"81-CO04-LV","price":232.5,"currency_code":"USD","in_stock":true},{"title":"SP-220, Isobutane 20% LEL in Air, 34L, Demand Flow Reg, Case","offer_id":48206606598334,"sku":"81-SP220F-DLV","price":326.25,"currency_code":"USD","in_stock":true},{"title":"GasWatch 3, CO 50 ppm\/N2, 103L, Regulator, Cal Cup, Case \u0026 Tubing","offer_id":48206606631102,"sku":"81-GW3CO","price":296.25,"currency_code":"USD","in_stock":true},{"title":"RX-415\/RX-8000, CH4 50% LEL\/Vol Multi-Cylinder Kit, 34L","offer_id":48206606663870,"sku":"81-RX415CH4","price":318.75,"currency_code":"USD","in_stock":true},{"title":"RI-415\/RX-8000, CH4 50% LEL\/Vol Multi-Cylinder Kit, 34L","offer_id":48206606696638,"sku":"81-RI415CH4","price":251.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/mainLogo_cda04868-399e-401b-b4d0-1d763adceceb.png?v=1785128099"},{"product_id":"rki-fixed-instrument-calibration-kits","title":"RKI Fixed Instrument Calibration Kits","description":"\u003cp\u003eRKI calibration kits for fixed gas transmitters bundle a certified calibration gas cylinder with a regulator, cal cup or gas bag, and carrying case — everything needed to field-calibrate a specific RKI fixed instrument model. Each kit is matched to its transmitter's gas type, connection, and cylinder size requirements.\u003c\/p\u003e\n\u003cp\u003eThe configurations listed here cover the most commonly ordered kits for the Digester Gas Monitor, T2A\/T3A\/AirLink 6900\/6940XP, VOC Pro, and general fixed transmitter families (GD-A8V and similar). Additional gas types and instrument-specific kits are available by quote — \u003ca href=\"\/collections\/rki-instruments-parts-accessories\"\u003esee our full RKI Instruments Parts \u0026amp; Accessories collection\u003c\/a\u003e for calibration gas cylinders sold separately.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"Digester Type 104, CH4 (60%)\/CO2 (40%), 58L","offer_id":48206609121470,"sku":"81-2120-101","price":341.25,"currency_code":"USD","in_stock":true},{"title":"T2A\/T3A\/AirLink 6900\/6940XP, 100 ppm CO in Air, 34L, Reg, Case \u0026 Tubing","offer_id":48206609154238,"sku":"81-T0103-LV","price":352.5,"currency_code":"USD","in_stock":true},{"title":"Fixed, 34L Hexane 15% LEL in Air, Disp Valve, Gas Bag, Case","offer_id":48206609187006,"sku":"81-F001RKS-LV","price":172.5,"currency_code":"USD","in_stock":true},{"title":"Fixed, 34AL PH3\/N2 + 34L N2 100%, Reg, Gas Bag, Case \u0026 Tubing","offer_id":48206609219774,"sku":"81-5107RKS-LV","price":588.75,"currency_code":"USD","in_stock":true},{"title":"Fixed, H2, 103L, Gas Bag","offer_id":48206609252542,"sku":"81-F004RKS","price":303.75,"currency_code":"USD","in_stock":true},{"title":"GD-A8V, 34L Methane 50% LEL in Air, Reg with Gauge \u0026 Knob, Cal Cup","offer_id":48206609285310,"sku":"81-F008RK-LV","price":303.75,"currency_code":"USD","in_stock":true},{"title":"VOC Pro, 103L Isobutylene 10 ppm + 103L N2 100%, Regulator","offer_id":48206609318078,"sku":"81-T9210","price":540.0,"currency_code":"USD","in_stock":true},{"title":"No-Gas Kit, Regulator Only for 34L Steel Cylinder","offer_id":48206609350846,"sku":"81-34SNG-DLV","price":296.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/mainLogo_e02f63f3-4b61-4390-90a3-9db8e73b2af6.png?v=1785128148"},{"product_id":"rki-calibration-regulators-accessories","title":"RKI Calibration Regulators \u0026 Accessories","description":"\u003cp\u003eStandalone calibration accessories for RKI gas detectors — dispensing valves and regulators for standard CGA-600 calibration gas cylinders, calibration caps and cups for specific instrument models, and replacement gas sample bags for use with calibration kits.\u003c\/p\u003e\n\u003cp\u003eThese sell separately from a complete calibration kit for facilities that already own a cylinder and regulator, or need a replacement part. See our full \u003ca href=\"\/collections\/rki-instruments-parts-accessories\"\u003eRKI Instruments Parts \u0026amp; Accessories collection\u003c\/a\u003e for complete cylinder and calibration kit bundles.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"Dispensing Valve, 17\/34L, CGA-600 Fitting","offer_id":48206610596030,"sku":"81-1001RK","price":30.0,"currency_code":"USD","in_stock":true},{"title":"Cal Cap for GX-2001 and GX-2009","offer_id":48206610628798,"sku":"81-1107RK","price":14.25,"currency_code":"USD","in_stock":true},{"title":"Cal Cup, PS-2, with Screws","offer_id":48206610661566,"sku":"81-1113RK","price":3.98,"currency_code":"USD","in_stock":true},{"title":"Cal Cup for IR 3\/4\" NPT Sensor","offer_id":48206610694334,"sku":"81-1103RK","price":12.0,"currency_code":"USD","in_stock":true},{"title":"Gas Bag with Fitting \u0026 Hose Barb, 9\"x12\" Tedlar, 3 Liters","offer_id":48206610727102,"sku":"81-1126RK","price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/mainLogo_a3b7349a-c52d-4678-84ee-c88881fa847d.png?v=1785128187"},{"product_id":"rki-replacement-sensors-portable-instruments","title":"RKI Replacement Sensors — Portable Instruments","description":"\u003cp\u003eReplacement plug-in sensor cartridges for RKI portable gas detectors, matched to the specific instrument platform and gas type. Electrochemical, IR, and PID sensor elements are available for the Otis, Eagle\/Eagle 2, GX-6000, GX-3R Pro, SD-3, 9000 Series\/Eagle 3, and RX-415 instrument families.\u003c\/p\u003e\n\u003cp\u003eThe configurations listed here cover the most commonly ordered gas types per platform. Additional gas-specific sensors are available by quote — \u003ca href=\"\/collections\/rki-instruments-parts-accessories\"\u003esee our full RKI Instruments Parts \u0026amp; Accessories collection\u003c\/a\u003e for calibration gas and kits to bump test or calibrate a new sensor.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"Otis: CO 0-1000 ppm, EC Type","offer_id":48206613283006,"sku":"66-0001","price":181.5,"currency_code":"USD","in_stock":true},{"title":"SD-3: NO2 0-15 ppm","offer_id":48206613315774,"sku":"ESF-A24A-NO2","price":393.75,"currency_code":"USD","in_stock":true},{"title":"9000 Series\/Eagle 3: HCN 0-15 ppm, F Sensor Package","offer_id":48206613348542,"sku":"ESF-A24D-HCN","price":393.75,"currency_code":"USD","in_stock":true},{"title":"Eagle 2\/GX-6000: Electrode Stack, 10.6\/11.7 eV PID Lamp","offer_id":48206613381310,"sku":"33-0560-01","price":114.0,"currency_code":"USD","in_stock":true},{"title":"Eagle: IR CO2 0-5% Volume","offer_id":48206613414078,"sku":"61-5010RK","price":592.5,"currency_code":"USD","in_stock":true},{"title":"Eagle 2: IR CO2 0-5% Volume","offer_id":48206613446846,"sku":"DEM-3313-1","price":600.0,"currency_code":"USD","in_stock":true},{"title":"GX-3R Pro\/SC-04: HCN 0-30 ppm","offer_id":48206613479614,"sku":"ESR-A13D-HCN","price":191.25,"currency_code":"USD","in_stock":true},{"title":"Eagle 2\/35-3001\/35-3000\/GD-A8\/D8: H2-Specific LEL, Plug-In","offer_id":48206613512382,"sku":"61-0155RK","price":198.0,"currency_code":"USD","in_stock":true},{"title":"Eagle\/Eagle 2\/RX-415: O2 (OS-B3)","offer_id":48206613545150,"sku":"65-0601RK","price":125.25,"currency_code":"USD","in_stock":true},{"title":"LEL CH4, 1\/2\" NPT (NC-6242 Substitute)","offer_id":48206613577918,"sku":"61-0101RK","price":228.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/mainLogo_f09f5145-4a43-4735-bba4-0930a7020c88.png?v=1785128277"},{"product_id":"rki-replacement-sensors-fixed-transmitters","title":"RKI Replacement Sensors — Fixed Transmitters","description":"\u003cp\u003eReplacement sensor assemblies for RKI fixed gas transmitters, matched to the specific instrument platform and gas type. Electrochemical (CT-7 and ES-23 style), IR, and catalytic sensor elements are available for T3A, AirLink 6940\/6940NXP, GD-70D, and general fixed transmitter platforms.\u003c\/p\u003e\n\u003cp\u003eThe configurations listed here cover the most commonly ordered gas types per platform. Additional gas-specific sensors are available by quote — \u003ca href=\"\/collections\/rki-instruments-parts-accessories\"\u003esee our full RKI Instruments Parts \u0026amp; Accessories collection\u003c\/a\u003e for calibration gas and kits to bump test or calibrate a new sensor.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"T3A: CO 0-500 ppm, EC Type, Explosion-Proof","offer_id":48206615871678,"sku":"66-3001-05","price":416.25,"currency_code":"USD","in_stock":true},{"title":"AirLink 6940: CO 0-500 ppm, EC Type, XP Division 1","offer_id":48206615904446,"sku":"66-1001-05","price":450.0,"currency_code":"USD","in_stock":true},{"title":"AirLink 6940NXP: CO 0-1000 ppm, EC Type, Non-XP","offer_id":48206615937214,"sku":"66-2001-10","price":478.5,"currency_code":"USD","in_stock":true},{"title":"GD-70D: Si2H6 (Disilane) 0-15 ppm, H2 Resistant","offer_id":48206615969982,"sku":"ESU-23AH-SI2H6","price":393.75,"currency_code":"USD","in_stock":true},{"title":"Cl2 (Chlorine) 0-5\/10 ppm, CT-7 Style with Membrane","offer_id":48206616002750,"sku":"65-2051-01","price":352.5,"currency_code":"USD","in_stock":true},{"title":"NH3 (Ammonia) 0-75\/100\/200 ppm, CT-7 Style with Membrane","offer_id":48206616035518,"sku":"65-2054-01","price":352.5,"currency_code":"USD","in_stock":true},{"title":"SO2 0-10 ppm, CT-7 Style with Membrane","offer_id":48206616068286,"sku":"65-2024-01","price":352.5,"currency_code":"USD","in_stock":true},{"title":"HCl (Hydrogen Chloride) 0-20 ppm, CT-7 Style, Non-Explosion-Proof","offer_id":48206616101054,"sku":"65-2302-HCL","price":573.75,"currency_code":"USD","in_stock":true},{"title":"NO2 (Nitrogen Dioxide) 0-15 ppm, Direct Connection","offer_id":48206616133822,"sku":"65-2302-NO2","price":573.75,"currency_code":"USD","in_stock":true},{"title":"PH3 (Phosphine) 0-1.00 ppm (No H2 Response)","offer_id":48206616166590,"sku":"ES-23AH-PH3","price":363.75,"currency_code":"USD","in_stock":true},{"title":"NO (Nitric Oxide) 0-100 ppm, CT-7 Style with Membrane","offer_id":48206616199358,"sku":"65-2015-01","price":352.5,"currency_code":"USD","in_stock":true},{"title":"AsH3 (Arsine) 0-0.20\/1.00 ppm","offer_id":48206616232126,"sku":"ES-23AHS-ASH3","price":363.75,"currency_code":"USD","in_stock":true},{"title":"O3 (Ozone) 0-1 ppm","offer_id":48206616264894,"sku":"ES-K239C-O3","price":363.75,"currency_code":"USD","in_stock":true},{"title":"H2S 7 Series, 0-5000\/10000 ppm Max Overload","offer_id":48206616297662,"sku":"65-2032","price":159.75,"currency_code":"USD","in_stock":true},{"title":"CO (Carbon Monoxide), ES-81 Type, for 35-3000RK","offer_id":48206616330430,"sku":"65-2007RK","price":159.75,"currency_code":"USD","in_stock":true},{"title":"Sensor Housing\/Preamp, Potted, RF Hardened, H2S CT-7 Non-XP","offer_id":48206616363198,"sku":"65-2490RK","price":110.25,"currency_code":"USD","in_stock":true},{"title":"CH4 (Methane) 0-100% Volume, IR, Explosion-Proof","offer_id":48206616395966,"sku":"61-0192RK-CH4","price":581.25,"currency_code":"USD","in_stock":true},{"title":"CO2 0-5% Volume, IR, 3\/4\" NPT with Splashguard","offer_id":48206616428734,"sku":"61-0191-03DIS","price":615.0,"currency_code":"USD","in_stock":true},{"title":"O2 0-25%, Capillary Type, Plug-In Replacement","offer_id":48206616461502,"sku":"65-1025RK","price":108.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/mainLogo_e5160e13-f564-4d55-8339-d96c9cd0b1bc.png?v=1785128333"},{"product_id":"rki-batteries-chargers","title":"RKI Batteries \u0026 Chargers","description":"\u003cp\u003eReplacement batteries for RKI portable and fixed gas detectors — standard alkaline cells (AA, AAA, C, D), rechargeable Ni-Cad packs, and instrument-specific lithium-thionyl battery packs for the AirLink wireless transmitter family.\u003c\/p\u003e\n\u003cp\u003eThe configurations listed here cover the most commonly ordered battery types. Additional instrument-specific battery packs and chargers are available by quote — \u003ca href=\"\/collections\/rki-instruments-parts-accessories\"\u003esee our full RKI Instruments Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"Alkaline 9V (for XP-204\/XP-204A)","offer_id":48206624981182,"sku":"49-1109RK","price":3.68,"currency_code":"USD","in_stock":true},{"title":"Alkaline AAA","offer_id":48206625013950,"sku":"49-1110RK","price":1.13,"currency_code":"USD","in_stock":true},{"title":"Alkaline AA","offer_id":48206625046718,"sku":"49-1120RK","price":1.13,"currency_code":"USD","in_stock":true},{"title":"Alkaline C","offer_id":48206625079486,"sku":"49-1130RK","price":2.1,"currency_code":"USD","in_stock":true},{"title":"Alkaline D","offer_id":48206625112254,"sku":"49-1140RK","price":2.4,"currency_code":"USD","in_stock":true},{"title":"Ni-Cad Rechargeable D Size","offer_id":48206625145022,"sku":"49-1240RK","price":18.75,"currency_code":"USD","in_stock":true},{"title":"Lithium-Thionyl 3.6VDC 19AH with Connector, for AirLink 6900\/Air Alert (2 required)","offer_id":48206625177790,"sku":"49-1416-01","price":32.63,"currency_code":"USD","in_stock":true},{"title":"Lithium-Thionyl 4-Cell Pack 3.6VDC 76AH with Connector, for AirLink 6940","offer_id":48206625210558,"sku":"49-1416-02","price":139.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/mainLogo_f8c082f9-14fe-42a8-b49a-b06c1efe8191.png?v=1785128453"},{"product_id":"rki-o-rings-gaskets-tubing-fittings","title":"RKI O-Rings, Gaskets, Tubing \u0026 Fittings","description":"\u003cp\u003eReplacement seals and sample-line components for RKI gas detectors — sensor housing O-rings and gaskets, polyurethane\/polypropylene\/Teflon sample tubing, and quick-connect fittings for calibration and sampling.\u003c\/p\u003e\n\u003cp\u003eThe configurations listed here cover the most commonly ordered sizes and materials. Additional instrument-specific gaskets and fittings are available by quote — \u003ca href=\"\/collections\/rki-instruments-parts-accessories\"\u003esee our full RKI Instruments Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"O-Ring for EAGLE Probe","offer_id":48206630584510,"sku":"07-6020RK","price":0.75,"currency_code":"USD","in_stock":true},{"title":"O-Ring, .239 ID x .070, Buna-N","offer_id":48206630617278,"sku":"07-7010RK","price":0.3,"currency_code":"USD","in_stock":true},{"title":"O-Ring, .489 ID x .070, Viton (for AL Regulators)","offer_id":48206630650046,"sku":"07-7014RK-10","price":0.83,"currency_code":"USD","in_stock":true},{"title":"O-Ring for XP Sensor Housing, T2A\/T3A\/VOC Pro\/AirLink 6900\/6940XP","offer_id":48206630682814,"sku":"Z2000-ORING","price":10.89,"currency_code":"USD","in_stock":true},{"title":"Gasket, CT-7 Sensor Housing","offer_id":48206630715582,"sku":"07-0033RK","price":1.2,"currency_code":"USD","in_stock":true},{"title":"Gasket, CT-7 Sensor Housing, Non-XP","offer_id":48206630748350,"sku":"07-0039RK","price":1.13,"currency_code":"USD","in_stock":true},{"title":"Gasket, Oxygen Detector, Explosion-Proof","offer_id":48206630781118,"sku":"07-0122RK","price":2.4,"currency_code":"USD","in_stock":true},{"title":"Gasket, Oxygen Detector, Non-Explosion-Proof","offer_id":48206630813886,"sku":"07-0129RK","price":1.28,"currency_code":"USD","in_stock":true},{"title":"Gasket, Cl2\/ClO2 CT-7 Detector, Poron, 1.00 OD x 0.50 ID x 0.125 Thick","offer_id":48206630846654,"sku":"07-0147","price":11.1,"currency_code":"USD","in_stock":true},{"title":"Tubing, Polyurethane, 3\/16\" x 3\/8\", Clear, Per Foot","offer_id":48206630879422,"sku":"06-1225RKC","price":2.4,"currency_code":"USD","in_stock":true},{"title":"Tubing, Polyurethane, 5\/16\" ID x 7\/16\" OD, Clear, 10 ft Length","offer_id":48206630912190,"sku":"06-1254RK-10","price":14.25,"currency_code":"USD","in_stock":true},{"title":"Tubing, Teflon PTFE, 1\/4\" OD x 5\/32\" ID, Per Foot","offer_id":48206630944958,"sku":"06-1275","price":12.0,"currency_code":"USD","in_stock":true},{"title":"Tubing, Polypropylene, 1\/4\" OD x 1\/8\" ID, Per Foot","offer_id":48206630977726,"sku":"06-1242RK","price":1.65,"currency_code":"USD","in_stock":true},{"title":"Fitting, Quick Connector\/Barb, 3\/16\" ID Tubing","offer_id":48206631010494,"sku":"17-0500RK","price":3.15,"currency_code":"USD","in_stock":true},{"title":"Fitting, 1\/8\" NPT Male\/1641 Male","offer_id":48206631043262,"sku":"17-0505RK","price":7.95,"currency_code":"USD","in_stock":true},{"title":"Teflon Filter, Single, for T2A\/AirLink T3A\/VOC Pro\/6900\/6940XP","offer_id":48206631076030,"sku":"Z2000-CAPFILTER","price":14.85,"currency_code":"USD","in_stock":true},{"title":"Rod, Porous Polyethylene, 1\/8\" Dia, 70 Micron, 1 Foot Long","offer_id":48206631108798,"sku":"04-0450RK","price":79.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/mainLogo_75d269eb-3110-4eb1-893c-0c6d0e834f4b.png?v=1785128506"},{"product_id":"rki-hardware-mounting-parts","title":"RKI Hardware \u0026 Mounting Parts","description":"\u003cp\u003eReplacement mounting and mechanical hardware for RKI gas detectors — stainless steel screws and washers, standoffs, belt clips, shoulder straps, wall-mounting brackets, and enclosure latches for portable and fixed instrument housings.\u003c\/p\u003e\n\u003cp\u003eThe configurations listed here cover the most commonly ordered hardware types. Additional instrument-specific hardware is available by quote — \u003ca href=\"\/collections\/rki-instruments-parts-accessories\"\u003esee our full RKI Instruments Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"Screw, 6-32 x 3\/16, Pan Head, Slotted, Stainless Steel","offer_id":48206636908734,"sku":"10-0196RK","price":0.23,"currency_code":"USD","in_stock":true},{"title":"Screw, M2 x 6mm, Stainless Steel, Self-Tapping, GX-3R Belt Clip","offer_id":48206636941502,"sku":"10-1085","price":0.83,"currency_code":"USD","in_stock":true},{"title":"Washer, Flat, #8, .375 OD x .172 ID x .031","offer_id":48206636974270,"sku":"11-0240RK","price":0.23,"currency_code":"USD","in_stock":true},{"title":"Panel Screw, Captive, 6-32 x 1\/2, Phillips, Stainless Steel","offer_id":48206637007038,"sku":"13-1061RK","price":2.03,"currency_code":"USD","in_stock":true},{"title":"Thumbscrew, Captive, 1\/4-20 x 1.56\"","offer_id":48206637039806,"sku":"13-1080RK","price":4.8,"currency_code":"USD","in_stock":true},{"title":"Standoff, Hex, 4-40 x 7\/8, M\/F, Aluminum","offer_id":48206637072574,"sku":"14-0560RK","price":2.7,"currency_code":"USD","in_stock":true},{"title":"Belt Clip, GX-2009, Includes 3 Installation Screws","offer_id":48206637105342,"sku":"13-0117RK","price":12.75,"currency_code":"USD","in_stock":true},{"title":"Shoulder Strap with RKI Logo, Eagle\/Eagle 2","offer_id":48206637138110,"sku":"13-0100RK","price":26.25,"currency_code":"USD","in_stock":true},{"title":"Door Latch, Quick Release, for Hoffman Enclosures","offer_id":48206637170878,"sku":"13-1521","price":37.5,"currency_code":"USD","in_stock":true},{"title":"DIN Rail \u0026 End Clamps Kit, Wall Mount for One GX-6000\/GX-6100 Charger","offer_id":48206637203646,"sku":"13-6022-01","price":7.95,"currency_code":"USD","in_stock":true},{"title":"DIN Rail \u0026 End Clamps Kit, Wall Mount for Up to Four GX-6000\/GX-6100 Chargers","offer_id":48206637236414,"sku":"13-6025-01","price":11.1,"currency_code":"USD","in_stock":true},{"title":"Wall Mounting Bracket, SDM-6000\/SDM-3R\/SDM-Force\/SDM-04, 1 Set (3 Pieces)","offer_id":48206637269182,"sku":"14-0401","price":33.75,"currency_code":"USD","in_stock":true},{"title":"Latch Assembly, SDM-6000","offer_id":48206637301950,"sku":"13-1001","price":71.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/mainLogo_bb84cc33-fcf4-4be3-8f9a-bc73243cf085.png?v=1785128554"},{"product_id":"rki-instrument-specific-spare-parts","title":"RKI Instrument-Specific Spare Parts","description":"\u003cp\u003eInstrument-specific replacement components for RKI gas detection equipment — display assemblies, terminal\/relay boards, case assemblies, housings, and connector cables for the M2A-XL, Beacon 200, RM-5000, and 04 Series instrument families.\u003c\/p\u003e\n\u003cp\u003eThe configurations listed here cover the most commonly ordered components per platform. Additional instrument-specific spare parts are available by quote — \u003ca href=\"\/collections\/rki-instruments-parts-accessories\"\u003esee our full RKI Instruments Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"M2A-XL: Display Assembly, OLED","offer_id":48206640742590,"sku":"57-0150XL-01","price":71.25,"currency_code":"USD","in_stock":true},{"title":"M2A-XL: Terminal\/Relay Board, O2, Standard for OLED Display","offer_id":48206640775358,"sku":"57-1287-01","price":348.75,"currency_code":"USD","in_stock":true},{"title":"M2A-XL: Terminal\/Relay Board, CO, Standard for OLED Display","offer_id":48206640808126,"sku":"57-1287-02","price":348.75,"currency_code":"USD","in_stock":true},{"title":"M2A-XL: Terminal\/Relay Board, H2S, Standard for OLED Display","offer_id":48206640840894,"sku":"57-1287-03","price":348.75,"currency_code":"USD","in_stock":true},{"title":"M2A-XL: Terminal\/Relay Board, NH3, Standard for OLED Display","offer_id":48206640873662,"sku":"57-1287-06","price":348.75,"currency_code":"USD","in_stock":true},{"title":"Beacon 200: Housing, Machined","offer_id":48206640906430,"sku":"21-0506RK-01","price":433.5,"currency_code":"USD","in_stock":true},{"title":"Beacon 200: Housing, Machined, Rig Monitor with Strobe\/Horn","offer_id":48206640939198,"sku":"21-0506RK-02","price":473.25,"currency_code":"USD","in_stock":true},{"title":"Beacon 200: Mounting Panel, Power Supply","offer_id":48206640971966,"sku":"21-3015RK","price":13.5,"currency_code":"USD","in_stock":true},{"title":"RM-5000: Blank Plate Panel","offer_id":48206641004734,"sku":"22-0252RK","price":14.25,"currency_code":"USD","in_stock":true},{"title":"RM-5000: Connector with Cable, 1 Meter","offer_id":48206641037502,"sku":"47-1502RK","price":57.0,"currency_code":"USD","in_stock":true},{"title":"RM-5000: Reset Cable, for RM-590-R","offer_id":48206641070270,"sku":"47-1504RK","price":49.5,"currency_code":"USD","in_stock":true},{"title":"04 Series: Front Case Assembly","offer_id":48206641103038,"sku":"21-1973","price":24.75,"currency_code":"USD","in_stock":true},{"title":"04 Series: Rear Case, for CO-04\/HS-04\/CO-04(-H2)\/SC-04","offer_id":48206641135806,"sku":"21-1975","price":12.0,"currency_code":"USD","in_stock":true},{"title":"04 Series: Battery Compartment Cover","offer_id":48206641168574,"sku":"21-1974","price":4.35,"currency_code":"USD","in_stock":true},{"title":"04 Series: Alligator Clip Assembly","offer_id":48206641201342,"sku":"13-0128","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/mainLogo_319a494b-3abb-4c94-b26c-736a0ccb00d7.png?v=1785128602"},{"product_id":"rki-calibration-stations-sdm-series","title":"RKI Calibration Stations (SDM Series)","description":"\u003cp\u003eRKI SDM Series docking\/calibration stations automate bump testing and calibration for a specific RKI portable instrument line, connecting to a calibration gas cylinder and (on network-capable models) printing or logging results. Configurations range from a bare docking station through fully bundled stations with regulator, cylinder, and data cable accessories included.\u003c\/p\u003e\n\u003cp\u003eThe configurations listed here cover the SDM-6000 (for GX-6000\/GX-6100), SDM-03 (for 03 Series), SDM-3R (for GX-3R\/GX-3R Pro), and SDM-04 (for 04 Series) station families. Additional bundle configurations are available by quote — \u003ca href=\"\/collections\/rki-instruments-parts-accessories\"\u003esee our full RKI Instruments Parts \u0026amp; Accessories collection\u003c\/a\u003e for calibration gas cylinders sold separately.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"SDM-6000: Calibration Station for GX-6000, Particle Filter\/Brackets\/Exhaust Tube, No AC Adapter","offer_id":48206643560638,"sku":"81-SDM6000","price":1571.25,"currency_code":"USD","in_stock":true},{"title":"SDM-6000: Full Kit with SD Card\/USB Reader\/Ethernet Cable\/AC Adapter","offer_id":48206643593406,"sku":"81-SDM6000-01","price":1650.0,"currency_code":"USD","in_stock":true},{"title":"SDM-03: Single-Point Station with AC Adapter","offer_id":48206643626174,"sku":"81-SDM03","price":1000.5,"currency_code":"USD","in_stock":true},{"title":"SDM-03: with AC Adapter, Flash Drive, USB Cable \u0026 Tubing","offer_id":48206643658942,"sku":"81-SDM03-01","price":1008.0,"currency_code":"USD","in_stock":true},{"title":"SDM-03: with Demand Flow Regulator, Flash Drive, USB Cable \u0026 Tubing","offer_id":48206643691710,"sku":"81-SDM03-02","price":1192.5,"currency_code":"USD","in_stock":true},{"title":"SDM-3R: Docking Station with Particle Filter\/AC Adapter\/Exhaust Tube","offer_id":48206643724478,"sku":"81-SDM3R100","price":1014.0,"currency_code":"USD","in_stock":true},{"title":"SDM-3R: with 1 Solenoid, AC Adapter, Flash Drive, USB Cable \u0026 Tubing","offer_id":48206643757246,"sku":"81-SDM3R101","price":1021.5,"currency_code":"USD","in_stock":true},{"title":"SDM-3R: with 1 Solenoid, Demand Flow Reg, 58AL 4-Gas Cylinder \u0026 Holder","offer_id":48206643790014,"sku":"81-SDM3R103","price":1406.25,"currency_code":"USD","in_stock":true},{"title":"SDM-04: with 1 Solenoid, AC Adapter, Flash Drive, USB Cable \u0026 Tubing","offer_id":48206643822782,"sku":"81-SDM04-101","price":1256.25,"currency_code":"USD","in_stock":true},{"title":"SDM-04: with 1 Solenoid, Demand Flow Reg, 34L CO\/N2 Cylinder \u0026 Holder","offer_id":48206643855550,"sku":"81-SDM04-103","price":1537.5,"currency_code":"USD","in_stock":true},{"title":"SDM-04: with 2 Solenoids, AC Adapter, Flash Drive, USB Cable \u0026 Tubing","offer_id":48206643888318,"sku":"81-SDM04-201","price":1372.5,"currency_code":"USD","in_stock":true},{"title":"SDM-3R: Top Case with Membrane Switch, No Red Lid","offer_id":48206643921086,"sku":"21-1990","price":198.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/mainLogo_5062bdf3-fd79-4fad-be60-3cacea12bc0f.png?v=1785128698"},{"product_id":"rki-carrying-cases","title":"RKI Carrying Cases","description":"\u003cp\u003ePadded carrying and calibration-kit cases sized for specific RKI portable instruments and their accessories — cylinders, cal kits, chargers, and manuals.\u003c\/p\u003e\n\u003cp\u003eThe configurations listed here cover the most commonly ordered case sizes for GX-3R\/GX-3R Pro\/GX-2009, GX-6000\/GX-6100, Eagle\/Eagle 2\/RX-415\/RI-415, 03 Series instruments, and standalone cylinder cases. Additional case configurations are available by quote — \u003ca href=\"\/collections\/rki-instruments-parts-accessories\"\u003esee our full RKI Instruments Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"Case for 1-2 Cylinders, 17\/34L\/34AL","offer_id":48206645756094,"sku":"20-0110RK-01","price":59.25,"currency_code":"USD","in_stock":true},{"title":"Case for 3 Cylinders with Foam, 58AL\/103L","offer_id":48206645788862,"sku":"20-0111RK-01","price":154.5,"currency_code":"USD","in_stock":true},{"title":"Case with Foam for Cal Kit with 4 Cylinders","offer_id":48206645821630,"sku":"20-0114RK-02","price":234.0,"currency_code":"USD","in_stock":true},{"title":"GX-3R\/GX-3R Pro\/GX-2009: Padded Carrying Case, Aspirator Kit","offer_id":48206645854398,"sku":"20-0112RK-01","price":154.5,"currency_code":"USD","in_stock":true},{"title":"GX-3R\/GX-3R Pro\/GX-2009: Padded Carrying Case, Aspirator + Cal Kit","offer_id":48206645887166,"sku":"20-0112RK-02","price":179.25,"currency_code":"USD","in_stock":true},{"title":"GX-3R\/GX-3R Pro\/GX-2009\/03 Series: Padded Carrying Case, Instrument + Charger Only","offer_id":48206645919934,"sku":"20-0115RK-01","price":68.25,"currency_code":"USD","in_stock":true},{"title":"GX-3R: Case with Foam, AC Adapter, Cal Cup, Bump Cylinder \u0026 Manual","offer_id":48206645952702,"sku":"20-0110-03","price":75.75,"currency_code":"USD","in_stock":true},{"title":"GX-6000\/GX-6100: Case with Hose\/Probe\/Charger\/AC Adapter\/Manual","offer_id":48206645985470,"sku":"20-0110-02","price":142.5,"currency_code":"USD","in_stock":true},{"title":"GX-6000\/GX-6100: Case with Hose\/Probe\/Charger\/AC Adapter\/1-Cylinder Cal Kit\/Manual","offer_id":48206646018238,"sku":"20-0112-04","price":205.5,"currency_code":"USD","in_stock":true},{"title":"Eagle\/Eagle 2\/RX-415\/RI-415: Padded Case, Instrument + Accessories","offer_id":48206646051006,"sku":"20-0640RK","price":417.75,"currency_code":"USD","in_stock":true},{"title":"Eagle\/Eagle 2: Padded Case with Space for Calibration Kit \u0026 Accessories","offer_id":48206646083774,"sku":"20-0642RK","price":597.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/mainLogo_f2656c02-934e-497b-b0c0-4702aca4ee49.png?v=1785128746"},{"product_id":"rki-portable-instrument-accessories","title":"RKI Portable Instrument Accessories","description":"\u003cp\u003eEveryday-use accessories for RKI portable gas detectors — protective rubber boots, belt clips, LCD screen protectors, wrist straps, chargers, sample hoses, and consumable scrubber disks for specific instrument models.\u003c\/p\u003e\n\u003cp\u003eThe configurations listed here cover the most commonly ordered accessories for GX-3R\/GX-3R Pro, GX-6000\/GX-6100, GX-Force, GX-2012\/GX-2003\/RP-3R\/RP-2009, and GP-204\/OX-1. Additional instrument-specific accessories are available by quote — \u003ca href=\"\/collections\/rki-instruments-parts-accessories\"\u003esee our full RKI Instruments Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"GX-3R: Wrist Strap","offer_id":48206647656638,"sku":"13-0112RK","price":3.15,"currency_code":"USD","in_stock":true},{"title":"GX-3R\/GX-3R Pro: LCD Protection Film","offer_id":48206647689406,"sku":"21-1950","price":4.8,"currency_code":"USD","in_stock":true},{"title":"GX-3R\/GX-3R Pro: LCD Protection Film, Pack of 5","offer_id":48206647722174,"sku":"21-1950-05","price":24.75,"currency_code":"USD","in_stock":true},{"title":"GX-3R: Buzzer Protection Cover","offer_id":48206647754942,"sku":"33-0553","price":4.8,"currency_code":"USD","in_stock":true},{"title":"GX-3R\/GX-3R Pro: 5-Unit Charging Connector Bar with Cables, No AC Adapter","offer_id":48206647787710,"sku":"47-5102","price":142.5,"currency_code":"USD","in_stock":true},{"title":"GX-3R Pro: Rubber Boot","offer_id":48206647820478,"sku":"20-0335","price":14.25,"currency_code":"USD","in_stock":true},{"title":"GX-3R Pro: Li-Ion Battery Pack, BUL-3R","offer_id":48206647853246,"sku":"49-1625","price":205.5,"currency_code":"USD","in_stock":true},{"title":"GX-3R Pro\/GX-9000: H2S Scrubber Disk for NO2 Sensor, Pack of 5","offer_id":48206647886014,"sku":"33-7134","price":27.75,"currency_code":"USD","in_stock":true},{"title":"GX-3R Pro: H2S Scrubber Disk for SO2 Sensor, Pack of 5","offer_id":48206647918782,"sku":"33-7145","price":30.0,"currency_code":"USD","in_stock":true},{"title":"GX-6000\/GX-6100: Belt Clip with Installation Screws","offer_id":48206647951550,"sku":"13-0123","price":27.75,"currency_code":"USD","in_stock":true},{"title":"GX-6000\/GX-6100: Tapered Rubber Nozzle, Red, Inlet","offer_id":48206647984318,"sku":"17-1031","price":7.13,"currency_code":"USD","in_stock":true},{"title":"GX-6000\/GX-6100: Rubber Protective Boot, Red","offer_id":48206648017086,"sku":"20-0329","price":31.5,"currency_code":"USD","in_stock":true},{"title":"GX-Force: Belt Clip","offer_id":48206648049854,"sku":"13-0130","price":12.75,"currency_code":"USD","in_stock":true},{"title":"GX-Force: Front Case Assembly with Charging Port Cover \u0026 Label","offer_id":48206648082622,"sku":"21-1981","price":43.5,"currency_code":"USD","in_stock":true},{"title":"GX-2012\/GX-2003\/RP-3R\/RP-2009: Hose, 5 ft, Polyurethane","offer_id":48206648115390,"sku":"80-0009RK-05","price":28.5,"currency_code":"USD","in_stock":true},{"title":"GX-1\/GP-204\/OX-1: Hose, 5 ft, Polyurethane","offer_id":48206648148158,"sku":"80-0007RK-05","price":42.75,"currency_code":"USD","in_stock":true},{"title":"GP-204\/P-200 Series: Ni-Cad Battery Charger, 115VAC","offer_id":48206648180926,"sku":"49-2011RK","price":39.75,"currency_code":"USD","in_stock":true},{"title":"Eagle: Charger, 220VAC","offer_id":48206648213694,"sku":"49-2149RK","price":90.75,"currency_code":"USD","in_stock":true},{"title":"Eagle: CO2 Scrubber CF-284, for Super Toxic Inlet Fitting","offer_id":48206648246462,"sku":"33-6015RK-02","price":51.75,"currency_code":"USD","in_stock":true},{"title":"Eagle: Filter, AcroPak 300, Field-Installed","offer_id":48206648279230,"sku":"33-0171RK-02","price":174.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/mainLogo_f4e1e218-21df-4ed6-af3b-8ea4de94847d.png?v=1785128801"},{"product_id":"rki-sampling-mounting-accessories","title":"RKI Sampling \u0026 Mounting Accessories","description":"\u003cp\u003eSampling and mounting hardware for RKI fixed and portable gas detectors — flow-through adapters for converting diffusion sensors to sample-draw, duct mounting adapters, remote sensor extension cables, finned tubing for cooling sample lines, and equipment identification tag sets.\u003c\/p\u003e\n\u003cp\u003eThe configurations listed here cover the most commonly ordered accessories. Additional configurations are available by quote — \u003ca href=\"\/collections\/rki-instruments-parts-accessories\"\u003esee our full RKI Instruments Parts \u0026amp; Accessories collection\u003c\/a\u003e.\u003c\/p\u003e","brand":"RKI Instruments","offers":[{"title":"Flow-Through Adapter, 1\/2 NPT CSA Sensor, Chamber \u0026 Brass Fittings","offer_id":48206651031742,"sku":"30-0951-CSA-01","price":142.5,"currency_code":"USD","in_stock":true},{"title":"Flow-Through Adapter, 1\/2 NPT CSA Sensor, Chamber \u0026 Stainless Steel Fittings","offer_id":48206651064510,"sku":"30-0951-CSA-01S","price":165.75,"currency_code":"USD","in_stock":true},{"title":"Flow-Through Adapter, T2A\/T3A\/VOC Pro\/AirLink Transmitters, Chamber \u0026 SS Fittings","offer_id":48206651097278,"sku":"30-0960-01SS","price":181.5,"currency_code":"USD","in_stock":true},{"title":"Duct Mounting Adapter, 1\/2\" NPT Thread","offer_id":48206651130046,"sku":"18-0350RK","price":12.75,"currency_code":"USD","in_stock":true},{"title":"Duct Mounting Adapter, 3\/4\" NPT Thread","offer_id":48206651162814,"sku":"18-0351RK","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Remote Sensor Cable, 5-Pin Connector, Air Alert\/AL VOC Pro\/AL T3A, 3 ft","offer_id":48206651195582,"sku":"47-5110-5-03","price":17.78,"currency_code":"USD","in_stock":true},{"title":"Remote Sensor Cable, 5-Pin Connector, Air Alert\/AL VOC Pro\/AL T3A, 6 ft","offer_id":48206651228350,"sku":"47-5110-5-06","price":35.55,"currency_code":"USD","in_stock":true},{"title":"Remote Sensor Cable, 5-Pin Connector, Air Alert\/AL VOC Pro\/AL T3A, 10 ft","offer_id":48206651261118,"sku":"47-5110-5-10","price":59.25,"currency_code":"USD","in_stock":true},{"title":"Finned Tubing, 2 ft, for Cooling Sample Lines, with 1\/4\" Tube Fittings","offer_id":48206651293886,"sku":"02-1008-01","price":213.0,"currency_code":"USD","in_stock":true},{"title":"Equipment ID Tag Set, 2.50 x 1.00, 316 Stainless Steel","offer_id":48206651326654,"sku":"29-5500","price":15.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/mainLogo_05a6beee-7453-4cbc-8143-c90532cda955.png?v=1785128849"}],"url":"https:\/\/envirotechonline.com\/collections\/rki-instruments-parts-accessories.oembed?page=2","provider":"EnviroTech Services","version":"1.0","type":"link"}