The pressure gauge can be used to measure non-corrosive gaseous media. The contact medium material is copper alloy, PC transparent window, and the movement is all copper. The pressure range greater than 1500 psi has passed UL safety certification. It has the advantages of fast response, long life, stable performance, imported chips, waterproof and dustproof, etc. It is widely used in chemical, metallurgy, power generation and other industries.