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Five Classification Standards for Pressure Gauges
Pressure Gauges
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Five Classification Standards for Pressure Gauges

1.  Pressure gauges based on its measurement accuracy

Pressure gauges can be classified as precision pressure gauge and general pressure gauge. The measurement accuracy grades of the former are 0.1, 0.16, 0.25, 0.4 and 0.05 grades while the latter are 1.0, 1.6, 2.5 and 4.0 grades respectively.


2. Pressure gauges based on the measurement benchmark


According to different standards for indicating pressure, pressure gauges are classified as general pressure gauges, stainless pressure gauges, and diff gauges. General pressure gauges are based on atmospheric pressure; stainless pressure gauges are based on the zero pressure position; diff gauges measure the difference between two measured pressures.


3. Pressure gauges based on the measuring range


Pressure gauges can be classified as vacuum gauge, pressure vacuum gauge, micro pressure gauge, low pressure gauge, medium pressure gauge and high pressure gauge. Vacuum gauges are used to measure pressure values less than atmospheric pressure; pressure vacuum gauges are used to measure pressure values that are about the atmospheric pressure; micro pressure gauges are used to measure pressure values less than 60000 Pa; low pressure gauges are used to measure pressure values of 0~6MPa ; medium pressure gauges are used to measure the pressure value of 10~60MPa;


4. Pressure gauges based on the display sort


Pressure gauges can be classified as pointer pressure gauge and digital pressure gauge.


5. Pressure gauges based on the functions


Pressure gauges can be classified as on-site indicating pressure gauge and pressure gauge with electric signal control.


Ordinary pressure gauges, vacuum pressure gauges, shock-resistant pressure gauges, stainless steel pressure gauges, etc. belong to on-site indicating pressure gauges, which have no other control functions except for indicating pressure.

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