Portable gas detector with the purpose of protecting personnel safety, so far, gas detector has been used to many different industries, such as the chemical industry, petroleum, gas station, metallurgy, agriculture, biology pharmaceuticals, power, lab research, etc.

For all environments existing the combustible gas, toxic gas, should equip the gas detector to inspect the gas concentration to assure the safety. Especially in the chemical plant or the internal equipment, with the flammable gas, toxic gas, or the steam, so it is very important to inspect the gas concentration with the audible-visual alarm method.

In chemical plant the portable gas detector mainly used to as the following:

Repair testing: if the equipment replaced, need to inspect the remained harmful gas.

Emergency detection: when the production site come out the abnormal situation or handling the accidents, should inspect the harful gas.

Leakage inspection: detecting the gas leakage for the equipment pipes.

Roving inspection: when check the safety and healthy, should measure the harmful gas.

Safety test: When personnel enter into the dangerous field, or the sewer, cable trench, even the equipment internal, all should to detect the harmful gas firstly.