GJQ103 mining laser methane sensing module (hereinafter referred to as the sensing module) is developed based on the tunable laser gas absorption spectroscopy (TD-LAS) technology, which adopts the 1653.7nm laser to detect the characteristic "fingerprint spectrum" absorption of methane gas, and is resistant to the interference of water vapor and other gases.The sensing module adopts folded optical path structure design, long absorption light range, high detection sensitivity and precision; ultra-low power consumption design, 

with 0-100% VOL full range detection and temperature and pressure compensation correction, strong environmental applicability; universal threaded mounting interface and communication interface design, strong applicability.As the core component of methane gas monitor, this product can be widely used for methane gas leakage detection and alarm in coal mine,

non-coal mine and industrial chemical industry.