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Basic requirements for medical pressure gauge selection

Have already visited: 32112/15/2020  

The selection of Medical pressure gauge mainly includes instrument type, measuring range, accuracy and sensitivity, overall dimensions, and whether remote transmission and other functions are needed, such as indication, recording, alarm, and control. The basis for selection is as follows:

(1) Must meet the requirements of the technological production process, including range and accuracy;

(2) The properties of the measured medium must be considered, such as temperature, pressure, viscosity, corrosiveness, flammability and explosive degree, etc.;

(3) Attention must be paid to the on-site environmental conditions when the instrument is installed and used, such as ambient temperature, electromagnetic field, and vibration.

Basic requirements for medical pressure gauge selection

When selecting the range, it should be noted that for stable conditions, the normal pressure should be at the upper limit of the scale; for pulsating pressure, the normal pressure should be at the upper limit of the scale; for high pressure pressure, the normal pressure should be below the upper limit of the scale.

Basic requirements for medical pressure gauge selection

From the nature of the measured medium, choose a corrosion-resistant diaphragm pressure gauge for the corrosive medium or use a corrosion-resistant material for the part in contact with the medium; choose a diaphragm pressure gauge for viscous, crystalline and easily blocked media; according to the explosive dangerous medium For classification, use pressure-resistant explosion-proof or intrinsically safe explosion-proof barriers; for measuring oxygen, ammonia, hydrogen, acetylene, hydrogen sulfide and other media, select special pressure instruments.

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