About This

〖High Sensitive and Accurate Measurement〗Single NO2 gas monitor,Bulit-in high senstive sensor measurment range 0~20ppm with resolution 0.1ppm.And the professional sampling pump can help you more accurately detect narrow or remote or complicated places gases concentration.
〖High/Low alarm function with three alarm methods〗when gas concentration reach preset high or low alarm value, the meter will Sound, light alarm with vibration,meanwhile, high/low alarm value is adjustable based on your specific requirements.
〖Digital LCD display with backlight function〗High density digital LCD screen display real time gas concentation value, backlight function is suitable use for dark areas;compact size and unique clip design, it is convenient for user to carry around.
〖Durable power supply〗Bulit-in rechargable 3.7V 1800mAh Li-thion battery, can work continuously 12 hours with full charge(slightly vary with working condition).
〖Strict and qualified certificate〗This product compiled with following standard and regulation: JJG693; JJG695: JJG915 and GB3836 series anti-explosion standard.