When choosing a pressure transmitter, we must confirm what medium is being measured, and the pressure transmitter that needs to be selected for different media is different. If the pressure transmitter does not match the measuring medium, it may cause direct damage to the pressure transmitter.
First of all, we need to clarify the corrosiveness of the measured medium of the pressure transmitter. According to the degree of corrosion of the measured medium, the corresponding pressure transmitter material is selected, generally speaking, non-strong acids and alkalis can use pressure transmitters made of stainless steel.
Secondly, it is also necessary to know whether the pressure transmitter is measured by the medium viscous, such as pigments or paints, it is necessary to choose a flat film pressure transmitter. The flat membrane pressure transmitter has the characteristics of easy disassembly, easy cleaning, cleanliness and hygiene.
Third, the safety of the pressure transmitter to be measured, if the medium measured by the pressure transmitter is flammable and explosive, in this case we must choose an explosion-proof pressure transmitter. Explosion-proof pressure transmitters protect the site environment.
Fourth, if the environment of the measured medium is humid, the waterproof performance of the pressure transmitter must be higher. Otherwise, it is easy to cause water ingress of the pressure transmitter, resulting in the pressure transmitter not being used normally or burning.
Fifth, if the medium environment measured by the pressure transmitter is located in the carrier vehicle, mobile hydraulic equipment, construction machinery and other working conditions, it is necessary to choose a high-protection pressure transmitter, the high-protection pressure transmitter has strong anti-interference, overload and impact resistance, small temperature drift, high stability, and high measurement accuracy, which is an ideal pressure measuring instrument in the field of industrial automation.
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