How to Choose Different Types of Pressure Gauges?

Different types of pressure gauges should be used to measure different media and use environments

(1) For general media, such as air, water, steam, oil, etc., ordinary pressure gauges can be used.

(2) Special pressure gauges are required for special media, such as ammonia pressure gauges for ammonia; oxygen pressure gauges for oxygen; pressure gauges for hydrogen; acetylene pressure gauges for acetylene, etc.

(3) For general corrosive media and corrosive gas environments, stainless steel pressure gauges can be selected.

(4) For the pressure measurement of liquids, gases or mediums with solid floats that are easy to crystallize, corrosive, and high in temperature, use diaphragm pressure gauges.

(5) Pressure measurement for pulsed media and mechanical vibration occasions. Use shock-resistant pressure gauges.

(6) When the remote transmission is required, a remote transmission pressure gauge can be selected. The remote transmission signal includes current type, resistance type and voltage type.

(7) Electric contact pressure gauge can be used when there are control protection requirements.

(8) When there is an explosion-proof requirement, an explosion-proof type must be selected, such as an explosion-proof electric contact pressure gauge.

The accuracy grade of the pressure gauge is divided by its allowable error as a percentage of the dial scale value. The larger the range of the pressure gauge, the greater the allowable error of the absolute value of the pressure value measured by the pressure gauge of the same accuracy level.

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