1, material
This is mainly for the fixed gas detector to explain, fixed gas detector is mainly composed of two parts, gas detector and gas detector, gas alarm controller is mainly installed in the duty room, control room and other places, the gas detector is installed in the detection of the scene, the gas detector material is now mainly die-cast aluminum, stainless steel and plastic, etc., of which the die-cast aluminum material is explosion-proof insulation can be used in a variety of harsh environments, so the die-cast aluminum material can be used in a variety of harsh environments. A variety of harsh environments, so the price of die-cast aluminum alarm is relatively high.

2,Type

3, sensor