Trager-the first hand-held detector was developed with Micro Nose Technology and it was officially put into the market by USTSensor Wuhan on May 8, 2012.

This detector can test CH4, H2, CO and the it have high sensitivity even the gas is 1PPM. The response time is 20s, it's the one of the fast measuring instrument in the world.

The application of Trager is gas company, gas station, filling gas station, gas fireplace / water heater installation and commissioning, routine maintenance and inspection of chemical plants, pressure vessel closed testing.