optical interference methane CH4 gas detector for mine use

optical interference methane CH4 gas detector for mine use It is based on optical-interference principle and can quickly and exactly detect the concentration of the methane in the working environment where flammable and explosive mixed gases exist. with the characteristics of accurate measure, convenient to adjust and use. Main specifications Item Specification Model CJG10 CJG100 Measuring range (0~10)% (0~100)% Tolerance ±0.3% ±3% Accuracy of differentiate plate 0.5% 5%