{"product_id":"nh3-af-alphasense-50ppm-ammonia-gas-sensor","title":"NH3-AF Alphasense 50ppm Ammonia Gas Sensor","description":"\u003cp\u003eThe \u003cstrong\u003eNH3-AF Alphasense Ammonia Gas Sensor\u003c\/strong\u003e is designed to detect higher concentrations of ammonia gases across multiple industries.\u003c\/p\u003e\n\u003cp\u003eIt is designed for lower level detection across 50ppm ammonia concentrations. This sensor is also designed for ease of integration in refrigerant environments, as well as food and beverage, HVAC, laboratories, and safety applications. \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\u003e\u003cspan\u003eSet by OSHA, the Permissible Exposure Limit for ammonia is 50 parts per million (ppm) averaged over an eight-hour workday. The NIOSH Recommended Exposure Limit (REL) for ammonia is 25 ppm averaged over an eight-hour workday. NIOSH also defines a Short-Term Exposure Limit (STEL) of 35 ppm during any 15-minute period in the day. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAmmonia gas sensors are commonly used for personal protection in hazardous gas environments to ensure indoor air quality is safe and gaseous ammonia levels have not exceeded safety thresholds during industrial processes.\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\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAccurate, Quality EC sensor 0-50ppm\u003c\/li\u003e\n\u003cli\u003eMeets OSHA Permissible Exposure Limits\u003c\/li\u003e\n\u003cli\u003eLow Cross-Sensitivity across multiple gases\u003c\/li\u003e\n\u003cli\u003eEasy to use and integrate into portable gas detectors\u003c\/li\u003e\n\u003cli\u003eNo external power required, low maintenance\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 50ppm NH3 15 to 40\u003c\/li\u003e\n\u003cli\u003eResponse time: t90 (s) from zero to 50ppm NH3 (300 seconds) \u0026lt;150\u003c\/li\u003e\n\u003cli\u003eZero current: ppm equivalent in zero air \u0026lt; \u003cb\u003e±\u003c\/b\u003e10\u003c\/li\u003e\n\u003cli\u003eRange: ppm NH3 limit of performance warranty 100\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLinearity: ppm error at full scale, linear at zero and 40ppm NH3 +5 to -5\u003c\/li\u003e\n\u003cli\u003eOvergas limit: maximum ppm for stable response to gas pulse\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eZero drift: ppm equivalent change\/year in lab air \u0026lt; 2\u003c\/li\u003e\n\u003cli\u003eSensitivity drift: % change\/year in lab air, monthly test \u0026lt; 3\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) @50ppm 100 to 110\u003c\/li\u003e\n\u003cli\u003eSensitivity@ 50°C % (output@ 50°C\/output@ 20°c) @50ppm 100 to 110\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eZero@ -20°C ppm equivalent change from 20°c | -10 to -0\u003c\/li\u003e\n\u003cli\u003eZero@ 50°C ppm equivalent change from 20°c | 5 to 20\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; \u003cb\u003e±\u003c\/b\u003e3\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eH2 sensitivity % measured gas@ 400ppm H2@ 20°C \u0026lt; 15\u003c\/li\u003e\n\u003cli\u003eNO2 sensitivity % measured gas@ 20ppm NO2 \u0026lt; -60\u003c\/li\u003e\n\u003cli\u003eCl2 sensitivity % measured gas@ 10ppm Cl2 \u0026lt; -300\u003c\/li\u003e\n\u003cli\u003eNO sensitivity % measured gas@ 50ppm NO \u0026lt; 20\u003c\/li\u003e\n\u003cli\u003eSO2 sensitivity % measured gas@ 20ppm SO2 nd\u003c\/li\u003e\n\u003cli\u003eC2H4 sensitivity % measured gas@ 400ppm C2H4 \u0026lt;2\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:\/\/cdn.shopify.com\/s\/files\/1\/0019\/5952\/files\/alphasense_nh3-af-2_datasheet_en_1.pdf\"\u003e\u003cimg alt=\"Datasheet\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/5952\/files\/CO2METER_PDF.png?1093\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0019\/5952\/files\/alphasense_nh3-af-2_datasheet_en_1.pdf?v=1713189865\" title=\"Datasheet for the NH3-AF Alphasense 50ppm Ammonia Gas Sensor\"\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 title=\"Tube cap adapter\" href=\"\/products\/sensor-tube-cap-adapter?variant=31044017619059\"\u003e\u003cstrong\u003eTC-1\u003c\/strong\u003e - 3 mm side mounted ports\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"tube cap adapter\" href=\"\/products\/sensor-tube-cap-adapter?variant=31044017651827\"\u003e\u003cstrong\u003eTC-2\u003c\/strong\u003e - 3 mm top mounted ports\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"tube cap adapter\" href=\"\/products\/sensor-tube-cap-adapter?variant=31044017684595\"\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 title=\"micro-pump kit\" href=\"\/products\/gas-sensor-micro-pump\"\u003eMicro-Pump Kit\u003c\/a\u003e\u003c\/strong\u003e includes all the tools you need to urilize the tube-cap adapters as part of a sampling sensor system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca title=\"nafion tubing\" href=\"\/products\/nafion-gas-sample-drying-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 title=\"gas sampling pump\" href=\"\/products\/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 href=\"http:\/\/www.andonelect.com\/prod\/Gas-Sensor-Sockets_64.aspx\" title=\"pin socket for sensor\"\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":"NH3-AF Alphasense Ammonia Gas Sensor","offer_id":49030519193856,"sku":"NH3-AF","price":336.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/NH3-AF-CO2Meter-Website.jpg?v=1784471289","url":"https:\/\/alotechparts.com\/products\/nh3-af-alphasense-50ppm-ammonia-gas-sensor","provider":"Alo Tech Solutions","version":"1.0","type":"link"}