Product description Combustible gas leak detector of combustible gas leak detector flammable gas leakage detector gas leak detection instrument Model QT11-HXG Tracing leakage: QT11-HXG detector for flammable gas all the test, such as natural gas and alcohol. The device uses methane calibration in the factory, designed for heating experts and installation process uses and development. gooseneck leakage situation so you can detect hard to reach locations. Product advantage Ex protection assay QT11-HXG combustible gas leak detector has passed the United States "explosion-proof certification" detection, so a high level of security. In order to ensure the security and protection of the ideal to discharge occurs in gas pollution in the space. Characteristic High sensitivity Audio alarm The United States of America explosion-proof certification Calibration Patent protection sensor gooseneck Regulated power supply Alarm silence Can manually configure the beat rate In a practical case, including accessories and batteries It is very sensitive to low concentration gas