{"product_id":"h2-af-alphasense-2000ppm-hydrogen-gas-sensor","title":"H2-AF Alphasense 2,000ppm Hydrogen Gas Sensor","description":"\u003cp\u003eThe \u003cstrong\u003eH2-AF\u003c\/strong\u003e\u003cstrong\u003e Alphasense Hydrogen Gas Sensor\u003c\/strong\u003e is a 20mm diameter sensor, designed to have excellent ppm sensitivity for low concentrations to 2,000ppm H2 and very low sensitivity to CO, making them among the most selective Hydrogen sensors on the market. Because H2 is a colorless, odorless, and tasteless gas it makes it very important to adopt detection to ensure individual safety.\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-teams=\"true\"\u003e\u003ci\u003e\u003cstrong\u003eNote: Once an electrochemical (EC) sensor is purchased from CO2Meter.com and the sealed packaging is opened or the sensor module is installed, it is no longer eligible for return due to the limited operational lifespan that begins upon activation.\u003c\/strong\u003e\u003c\/i\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHydrogen sensors can constantly detect the amount of Hydrogen present in any working environment and block hydrogen generation if it detect an amount greater than the safety threshold. The most common use of Hydrogen detection is in fixed explosive detectors for monitoring charging rooms of electric trucks. \u003c\/p\u003e\n\u003cp\u003eThese sensors are suitable for inclusion in fixed or portable gas detectors and industries such as industrial processes, storage tanks, medical facilities, and automotive fuel cells.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(239, 6, 6);\"\u003e*\u003cem\u003e*Please Note: MOQ 10pcs - 2-4 week lead time**\u003c\/em\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cul\u003e\u003c\/ul\u003e\nAccurate, Quality EC sensor\u003c\/li\u003e\n\u003cli\u003eLow Cross-Sensitivity across multiple gases\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEasy to use and integrate into portable or fixed gas detectors\u003c\/li\u003e\n\u003cli\u003eElectrolyte leak-free guarantee, reliable long-term detection performance\u003c\/li\u003e\n\u003cli\u003eNo external power required, low maintenance\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eProven and trusted design - 90 day warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"specifications\"\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSensitivity: nA\/ppm in 400ppm H2 at 23°C 10 to 40\u003c\/li\u003e\n\u003cli\u003eResponse time: t90 (s) from zero to 400ppm H2\u0026lt;35\u003c\/li\u003e\n\u003cli\u003eZero current: ppm equivalent in zero air -25 to 15\u003c\/li\u003e\n\u003cli\u003eResolution: RMS noise (ppm equivalent) \u0026lt; 0.7\u003c\/li\u003e\n\u003cli\u003eRange: ppm H2 limit of performance warranty 2,000\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLinearity: ppm error at full scale, linear at zero and 400ppm H2 -200 to -500\u003c\/li\u003e\n\u003cli\u003eOvergas limit: maximum ppm for stable response to gas pulse 5,000\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eZero drift: ppm equivalent change\/year in lab air \u0026lt;20\u003c\/li\u003e\n\u003cli\u003eSensitivity drift: % change\/year in lab air, monthly test nd\u003c\/li\u003e\n\u003cli\u003eOperating life: months until 80% original signal (24 month warranted) \u0026gt; 24\u003c\/li\u003e\n\u003cli\u003eSensitivity@ -20°C % (output@ -20°C\/output@ 20°C) @500ppm H2 10 to 25\u003c\/li\u003e\n\u003cli\u003eSensitivity@ 50°C % (output@ 50°C\/output@ 20°c) @500ppm H2 220 to 275\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eZero@ -20°C ppm equivalent change from 20°c | ± 2\u003c\/li\u003e\n\u003cli\u003eZero@ 50°C ppm equivalent change from 20°c | 0 to -4\u003c\/li\u003e\n\u003cli\u003eTemperature range \u003cspan\u003e°C: \u003c\/span\u003e-30 to 50\u003c\/li\u003e\n\u003cli\u003ePressure range kPa: 80 to 120\u003c\/li\u003e\n\u003cli\u003eHumidity range %RH continuous 15 to 90\u003c\/li\u003e\n\u003cli\u003eStorage period months: @ 3 to 20°c (stored in sealed pot) 6\u003c\/li\u003e\n\u003cli\u003eLoad resistor: olms (recommended) 10 to 47\u003c\/li\u003e\n\u003cli\u003eWeight grams: \u0026lt; 6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstrong\u003eCROSS SENSITIVITY\u003c\/strong\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eH2S sensitivity % measured gas@ 20ppm H2S  \u0026lt; 2\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNO sensitivity % measured gas@ 50ppm NO \u0026lt; 40\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCL2 sensitivity % measured gas@ 10ppm CL2 \u0026lt; 1\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCO2 sensitivity % measured gas@ 5% CO2 \u0026lt; 1\u003c\/li\u003e\n\u003cli\u003eCO sensitivity % measured gas@ 400ppm CO \u0026lt;2\u003c\/li\u003e\n\u003cli\u003eNH3 sensitivity% measured gas@20ppm NH3 \u0026lt; 1\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNO2 sensitivity% measured gas@10ppm NO2 \u0026lt;1\u003c\/li\u003e\n\u003cli\u003eSO2 sensitivity% measured gas@20ppm SO2 \u0026lt;4\u003c\/li\u003e\n\u003cli\u003eC2H4 sensitivity% measured gas@400ppm C2H4 \u0026lt;25\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e90 Days - See CO2Meter Terms and Conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"documents\"\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.alphasense.com\/wp-content\/uploads\/2023\/02\/Alphasense_H2-AF_datasheet-V2.pdf\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/5952\/files\/CO2METER_PDF.png?1093\" alt=\"Datasheet\"\u003e\u003cstrong\u003e\u003cspan style=\"color: red;\"\u003e Data Sheet (pdf)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"accessories\"\u003e\n\u003cp\u003eTube cap adapters easily convert 20mm standard gas sensors from diffusion to sampling sensors. Molded polymer grips sensor for easy fit and removal while maintaining a good seal.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sensor-tube-cap-adapter?variant=31044017619059\" title=\"Tube cap adapter\"\u003e\u003cstrong\u003eTC-1\u003c\/strong\u003e - 3 mm side mounted ports\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sensor-tube-cap-adapter?variant=31044017651827\" title=\"tube cap adapter\"\u003e\u003cstrong\u003eTC-2\u003c\/strong\u003e - 3 mm top mounted ports\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/sensor-tube-cap-adapter?variant=31044017684595\" title=\"tube cap adapter\"\u003e\u003cstrong\u003eTC-3\u003c\/strong\u003e - 4.5 mm top mounted ports\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"\/products\/gas-sensor-micro-pump\" title=\"micro-pump kit\"\u003eMicro-Pump Kit\u003c\/a\u003e\u003c\/strong\u003e includes all the tools you need to utilize the tube-cap adapters as part of a sampling sensor system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"\/products\/nafion-gas-sample-drying-tubing\" title=\"nafion tubing\"\u003eNafion tubing\u003c\/a\u003e i\u003c\/strong\u003es a highly selective, semi-permeable membrane to water vapor. If gases inside Nafion tubing are wetter than gases surrounding the tubing, drying will occur. If the surrounding gases are wetter, humidification will occur.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"\/products\/gas-sampling-pump\" title=\"gas sampling pump\"\u003eMicro gas sampling pumps\u003c\/a\u003e\u003c\/strong\u003e provide a constant flow of air across the sensor with a tube cap - perfect for bench-top testing of sensors for closed-loop sampling applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSensor Pin Sockets\u003c\/strong\u003e - Manufacturers do not recommend soldering to the pins. Pin sockets can be purchased from Andon distributors. \u003ca title=\"pin socket for sensor\" href=\"http:\/\/www.andonelect.com\/prod\/Gas-Sensor-Sockets_64.aspx\"\u003eClick here to search for your sensor's socket\u003c\/a\u003e. Select the brand PDF, find your sensor, then search for the Andon part number for your sensor's socket.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AlphaSense","offers":[{"title":"H2-AF Alphasense Hydrogen Gas Sensor","offer_id":49030518800640,"sku":"H2-AF","price":433.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/H2S.jpg?v=1784471280","url":"https:\/\/alotechparts.com\/products\/h2-af-alphasense-2000ppm-hydrogen-gas-sensor","provider":"Alo Tech Solutions","version":"1.0","type":"link"}