Durable, Precise Gauges from CMP Technology Co., Limited

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How to Select the Pressure Gauge: Range Selection and Type Selection

The pressure gauge is used to measure pressure greater than or less than atmospheric pressure, and can also measure fluid pressure. It is widely used in industrial production and daily life. In order to ensure the accuracy of the pressure gauge measurement, we must not only pay attention to the installation and daily maintenance of the pressure gauge, but it is also extremely important to select the correct range and type. This article introduces several techniques for selecting pressure gauge ranges and types.

pressure gauge range and type

1. Range Selection

When measuring stable pressure, the range of the pressure gauge should be close to or greater than 1.5 times the normal pressure measurement value;

When measuring pulsating pressure, the range of the pressure gauge should be close to or greater than 2 times the normal pressure measurement value;

When measuring the outlet pressure of the pump, the range of the pressure gauge is close to the maximum pressure value at the outlet of the pump;

When measuring high pressure, the pressure gauge range should be greater than 1.7 times the maximum pressure measurement value.

2. Type Selection

When the pressure is greater than 0.4mpa, we can choose the spring tube pressure gauge;

When the pressure measurement is less than 0.04mpa, we can choose bellows pressure gauge and diaphragm pressure gauge;

For the measurement of viscous, easily crystallized media, media with corrosive or containing solid particles, we may use pressure gauges with the diaphragm or with chemical seals attached;

When measuring steam or medium pressure higher than 60℃, we should choose stainless steel pressure gauge;

When measuring the pulsating pressure, we can choose the shock-proof pressure gauge or the liquid-filled pressure gauge; When measuring the gas containing dust, we can set a dust collector. When measuring the pressure of the gas containing liquid, we should set up the gas-liquid separator.

This article mainly introduces how to choose a pressure gauge from range and type, maybe it can help you.

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