Air separation for nitrogen, chemical processes, high temperature sintering furnace shielding gas, electronic industry protective gas and rapid analysis of oxygen content in glass, building materials industry and various mixed gases.

In the process control equipment of thermal power plants, cement plants, metallurgy, etc., the optimal ratio between combustion and ventilation is controlled to improve combustion efficiency.

Chemical, fertilizer, and hydrogen industries analyze oxygen concentrations to ensure product quality.

Study the respiratory processes and medical biology of plants and animals.

The gas content of the laboratory combustion test.

Monitoring of oxygen content in hyperbaric oxygen chambers.