1This detector is a safety device for continuous detection of the concentration of gas leaks. 2Advanced integrated circuit technology, integrated computer control and high quality imported gas sensor, to have excellent sensitivity and repeatability. 3Uses dotmatrix LCD, supports the Chinese interface and the English and Chinese voice prompts, convenient for users to quickly understand the use and maintenance of this product. 4This shell is made of high strength engineering plastics, which has good seismic performance, high strength and high atmospheric environment. 5Three protection function of dustproof, waterproof, explosion proof. 6Widely used in oil, chemical, environmental, metallurgical, refining and biochemical medicine gas, agriculture, fire, archeology and other effective prediction of dangerous gas concentration alarm, to ensure the safety of workers and production equipment. 7Portable instrument with sound and light / shock / triple alarm. When the detected gas is greater than the specified concentration, there will be three sound, light, vibration and live voice alarm alarms. 8With anti-flash screen, high definition LCD screen is practical and reliable to use. 9Quick automatic calibration, 10,000 data storage, memory storage in the menu, select alarm records to view or delete. 10Portable gas sampling pump digital display / high power self-priming pump / stainless steel probe / original micro motor / fast heating function / power self-test, used with gas detector. It can be used for explosion-proof or toxic gas leakage pipeline, warehouse, limited Space lighting to better protect people.