coal mine electronic anemometer, portable digital anemometer

Application It is based on optical interference principle and can quickly and exactly detect the concentration of the methane, carbon dioxide etc in the working environment where flammable and explosive mixed gases exist. It has the characters of accurate measure, legible and convenient to adjust and use. Main specification Model CJG10 CJG100 Measuring range (0~10)% (0~100)% Tolerance ±0.3% ±3% Accuracy of differentiate plate 0.5% 5% Range of dial scale (0~1)% (0~10)%