Single Portable Gas Detector with Built- in pump Features of Single Portable Gas Detector with Built- in pump Advanced 16 digit MCU control Large LCD dareplay Built-in pump to sampling could sample test from long daretance Low and high alarm can be specified dareplay alarm type Dareplay STEL and TWA level Supply time and remain battery level dareplay Replaceable sensor module 2000 pieces records including peak value type could auto cover when it full Could connect with computer and output data and analyses the results Two alarming level three ternary alarming vareible audio and vibration Power on and self-test function sensor vareible audio and vibration information Password managemenst and password validation for importsant operation Specification of Single Portable Gas Detector with Built- in pump - Safe degree Intrinsically safe Sampling pump sampling Sensor Catalytic or electrochemical Gas Combustible or toxic gas Response time T