This is FORENSICS Basic Ammonia NH3 Detector model. This unit was specifically built not to break the bank using the proven packaging design with a high quality electrochemical sensor Made in Japan. Ammonia is a toxic gas that requires continuous detection particularly in occupational spaces. Ammonia is used in farm fertilizers and commercial refrigeration, water purification and treatment plants, chemical plants, and high-technology manufacturing, household cleaners and waterless and can be found in a variety of chemical plants and cold storage lockers. The Permissible Exposure Limit for ammonia set by OSHA is 50 parts per million (ppm) averaged over an eight hour work day. The NIOSH Recommended Exposure Limit (REL) for ammonia is 25 ppm averaged over an eight-hour work day. NIOSH also says that there should be a Short Term Exposure Limit (STEL) of 35 ppm during any 15 minute period in the day. The Product comes with a robust cloth case, NH3 Gas Detector, installed 9V battery and upgraded English Manual. 100% customer satisfaction guaranteed. Product quality checked and verified in California, USA. Specifications include: Model: NH3000, Color: Black + Yellow, Measurement range: 0-250PPM, Response/Recovery Time < 30 secs, Resolution: 1ppm, Error: ±5%, Operation temperature: 0 to 50°C, Storage temperature: 0 to 50°C, Working humidity: 0-90%RH, Product dimension: 160*56*41mm, product weight: 228g (with battery), automatic shutdown: 15 minutes, Operation: Electrochemical NH3 Made in Japan sensor.
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