There are two main factors that affect the measurement of pressure transmitters: temperature fluctuations and pressure changes.
Most pressure transmitters operate by powering and respond to pressure changes. For temperature fluctuations, most pressure transmitters have a range that can work fine. When operating outside of this range, the pressure transmitter is more likely to fail. In extreme cases, temperature changes can cause changes in the electrical output signal of the pressure transmitter, even when the pressure itself is constant. This is because when the temperature rises or falls, the material of the pressure transmitter expands and contracts thermally and coldly, and the geometry, mechanical and electrical properties change, resulting in measurement errors.
Pressure is another factor that can have a significant impact on the performance of a pressure transmitter. Sudden and extreme pressure changes (surges, pulses, electrostatic discharges, etc.) can destroy pressure transmitters that do not have the corresponding withstand voltage. In this case, the pressure transmitter can burn or be damaged, making it impossible to measure the support field.
Suggestion:
1. Use thermal insulation measures for the pressure transmitter in the working environment with large temperature fluctuations to create a good working environment for the pressure transmitter.
2. The pressure transmitter must be grounded during installation and use. Good and correct grounding can effectively protect the safe operation of the equipment and reduce the interference and fault generation of the pressure transmitter signal.
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