The unit name of the natural gas alarm is% LEL. LEL means lower explosive limit. The main component of natural gas is methane, and the lower explosive limit of methane is 5%. Fixed natural gas alarm mainly consists of sensors (probes), main chassis and auxiliary equipment exhaust fans and natural gas circuit solenoid valves. On the panel of the main chassis, there are mainly alarm locations and concentration display parts, and some have fault addresses and other fault indications. The probe and exhaust fan are installed at the site where natural gas is used, and the exhaust fan of the main chassis and the control box of the natural gas circuit solenoid valve are installed in the monitoring room. The life of the sensor is generally 2-3 years, and the sensitivity will decrease as the probe ages.

what is the display unit of natural gas alarm? I have already told you that friends who need to know natural gas alarm can come to yiyuntian for consultation and understanding. we have professional personnel to answer your questions.