SMART SENSOR AR8500 Ammonia Gas Detector Handheld Digital LCD NH3 Gas Monitor Description: Ammonia gas detector uses imported high precision electrochemical principle sensor, fast response speed, high precision, of its stability, good repeatability. The apparatus is widely used in gas station, mining, agriculture, exhaust gas leak, chemical industry detection and environmental monitoring. Features: Adopting electrochemical sensor, which gives a quick and accurate measurement. With a large LCD screen display the measured results, you can get ammonia gas concentration at a glance. The ammonia gas monitor has audio and visual alarm, you can set audio alarm decibel that can give you a obvious prompt. Portable and handheld, easy to operate and carry.  Widely used in gas station, hospital, agriculture, exhaust gas leak, chemical industry detection and environmental monitoring. Specification: Brand  SMART SENSOR Type AR8500  Gas Type  Ammonia gas (NH3) Measurement range 0-100ppm  Resolution    0.1ppm Accuracy 2% Temperature range -10℃-50℃ Response time T90≤120s Repeat time ≤120s The principle of sensor Electrochemical type, life for 2 years Display LCD Alarm mode Acoustic and light Battery 3.7V rechargeable lithium battery (Included) Operating time >60h (continue working) Operation humidity <95%RH Operation temperature -10℃-50℃ Weight 710g/25oz Package List: 1 * Ammonia Gas Detector 1 * USB Data Cable 1 * Case 1 * User Manual 1 * CE Certification Note: Please kindly make a note if you need any adapter.  Please allow slight error due to manual measurement. Thanks for your understanding.