11 Ago Ammonia Gas Detector 0~100PPM NH3 Monitor Temperature Humidity Tester Alarm Mode
【High-precision Ammonia Gas Detector】 Ammonia measuring range 0 ~ 100 PPM, resolution 0.1 PPM, accuracy +/- 2%. Measurement ambient temperature range from -10 ~ 50 ℃, continuous real-time monitoring NH3 【Sound & Light Dual Alarm 】You can set the desired ammonia quality value by yourself....