?High Sensitive Sensor and Accurate Measurement with Professional Sampling Pump?Handheld gas detector for detecting 4 gases, measurement range: Oxygen: 0~30%vol,carbon monoxide: 0~999umo/mol(ppm),hydrothion:0~500 umo/mol(ppm),combustible :0~100%LEL with resolution:0.1%vol/1umo/mol(ppm)/1% LEL,the sampling pump can help you more accurately detect narrow or remote places gases concentration.
?High and Low Alarm Function with Three Alarm Methods?when one of the gas concentration reach setted 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 and Compact Design?High density digital LCD screen display real time gas concentation value, backlight function is suitable for dark areas;compact size and unique clip design, it is convenient for you to carry around.
?Durable and Rechargeable Power Supply ?Bulit-in rechargable 3.7V Li-thion battery, can work continuously 6-8 hours with full charge(slightly vary with working condition).
?Qualified Standard and Explosive-Proof Certificate ?This portable gas monitor is compiled with following standard and regulation: JJG693; JJG695: JJG915 and GB3836 series anti-explosion standard.