Ammonia detector JR8500 1 unit

This product is an instrument for detecting ammonia gas concentration. It uses an electrochemical sensor, has high and low alarm settings, and has sound and light alarm functions. Detected gas: Ammonia (NH3) Measurement range: 0 to 100 PPM Resolution: 0.1 PPM Basic error: ±2% Response time: T90 ≦120 seconds Recovery time: ≦120 seconds Sensor principle: Electrochemical principle Alarm: Double alarm with sound and light, alarm value can be set, alarm sound up to 80dB Ambient temperature: -10 to 50 Operating Humidity: <95% RH (no frost) Temperature measurement function: Yes Power supply: 3.7V lithium battery Weight: 148g Product size: 182 x 66 x 31mm