Portable gas detection technology can be used for harmful gas detection, organic VOC gas detection, combustible gas detection, and single gas detection. Accurate warning of hidden danger detection technology is developing with each passing day, and its application in the inspection and elimination of accident precursors is becoming more and more extensive. Its development direction is miniaturization and automation, in order to achieve long-term monitoring.

1. First calibrate the instrument with a standard concentration of gas and a zero gas, and obtain the standard curve and store it in the instrument;

2. Compare the electrical signal of the standard concentration with the electrical signal generated by the gas concentration to be measured, and obtain the accurate gas concentration value after calculation.