SC-04 (NH3) Ammonia Gas Detector

Gas Detected: Ammonia

Detection Principle: Electrochemical Cell

Measuring Range: Ammonia (NH3) in air: 0-75ppm 
Please specify one gas & range when your ordering

Alarm Types: Gas alarm: 1st, 2nd, STEL, TWA, OVER 
Trouble alarm: Sensor connection, low battery, circuit error, calibration error