VTSYIQI 4 in 1 Gas Detector Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Monitor Multi Gas Concentration Detecting Instrument with LCD Display Audio Sound&Light Alarm for Gas Field Gas Detection

VTSYIQI 4 in 1 Gas Detector Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Monitor Multi Gas Concentration Detecting Instrument with LCD Display Audio Sound&Light Alarm for Gas Field Gas Detection   About this item Gas detected:Oxygen,Hydrogen Sulfide,Carbon Monoxide,Combustible Gas Measuring Range:0-30%VOL(O2);0-100PPm(H2S);0-1000PPm(CO); 0-100%LEL(EX) Resolution Ratio:0.1%vol(O2);1/0.1PPm(H2S);0.1/1PPm(CO);1%LEL/1%vol(EX); The multi-gas detector, is a one gas detecting instrument which can be equipment with one kind gas sensor or several kinds gas sensor for detecting different gases simultaneously. It adopts dot matrix display technology and various toxic gas sensors. It can be configured with single, two in one, three in one, four in one, five in one or any other four kind toxic gas sensors for working. The multi-gas detector with LCD display, has high sensitivity and fast response time. With audio sound&light alarm,it adapts to rather complex environment for conce