43, harmful gas analyzers: CO analyzers, CO2 analyzers, SO2 analyzers, hydrogen meter, hydrogen sulfide tester;
45, gas meter: gas alarm, gas tester;
From the strongly inspected directory did not clearly see the combustible gas alarm.
But from the requirements of the metrological institute and the safety supervision department:
Wenzhou Measurement Technology Research Institute;:
Combustible gas alarm is a widely used in refineries, oil depots, liquefied petroleum gas stations, coal gas stations, gas stations, paint spraying booths, home production rooms and other places emitting combustible gases, combustible vapors, measuring instruments. When the industrial environment of combustible or toxic gas leakage, when the gas detector detects the gas concentration reaches the threshold of the explosion or poisoning alarm set, the combustible gas alarm will send out an alarm signal to remind the work to take safety measures, and drive the exhaust, cut off, sprinkler system, to prevent explosions, fires, poisoning accidents, so as to protect the safety of production. Because of its main application in the safety and security and its national mandatory inspection catalog, so the combustible gas alarm belongs to the scope of the national mandatory certification.