該產(chǎn)品應(yīng)用光干涉原理，可迅速、準(zhǔn)確地測(cè)定煤礦井下環(huán)境中的有害氣體。具有結(jié)構(gòu)緊湊、操作方便、性能穩(wěn)定、測(cè)量準(zhǔn)確、使用壽命長等優(yōu)點(diǎn)

The appicatin of iht interference principle,can be rapid,accurate determination of coal of mine underground environment of methane and carbon dioxide in the harmful gases.Has the advantages of compact structure,convenient operation,stablepertormance,accurate measurement, long servicelifetc.