1. Flammable gas detector (hereinafter referred to as explosion detector, an instrument and equipment for detecting all kinds of flammable gases)

2. Catalytic combustion type flammable gas detector is suitable for detecting all kinds of flammable gases or vapors.

3. Electrochemical detector for detecting carbon monoxide, H2S, no, nitrogen dioxide, chlorine dioxide, HCN, NH3, PH3 and various harmful chemical organic compounds.

4. Semiconductor flammable gas detector, detection of all kinds of flammable gases.

5. Infrared flammable gas detector is suitable for detecting all kinds of flammable gases (the key is the level of filtration technology).

6. The thermal conductivity of flammable gas measuring instrument is used to detect the thermal conductivity and the air difference of hydrogen.

7. Toxic gas detector (hereinafter referred to as poisoning instrument, a kind of instrument and equipment for detecting toxic gas).

8. The detector is suitable for detecting organic and inorganic compounds with ionization potential less than 11.7 electron volts.

9. Infrared toxic gas detector is suitable for detecting carbon monoxide, carbon dioxide, etc.

10. Semiconductor toxic gas detector, suitable for detecting carbon monoxide, etc.