When it comes to purchasing and applying pressure transmitters, there are a variety of technical parameters that we need to be aware of. If some of this information is overlooked, it is easy to cause damage to the pressure transmitter. For example, if the temperature of the pipeline used in the pressure transmitter is too high, and the actual operating temperature range of the pressure transmitter is -40~80°C, if we have an understanding of the operating temperature range of the pressure transmitter, we will add a buffer tube in the field working conditions for heat dissipation, prevent the impact of high temperature on the pressure transmitter, and ensure the service life of the pressure transmitter.
Typically, a pressure transmitter is calibrated with two temperature segments. One of the temperature ranges is the normal operating temperature, and the other is the temperature compensation range.
The normal operating temperature range refers to the temperature range of the transmitter when it is not damaged in the working state, and it may not reach its due performance indicators when it exceeds the temperature compensation range.
The temperature compensation range is a typical range that is smaller than the operating temperature range. Working in this range, the transmitter will certainly achieve its expected performance specifications.
The temperature change affects the output of the pressure transmitter in two ways, one is the zero drift, and the other is the full-scale output. For example, +/-X%°C of full scale, +/-X%°C of reading, +/-X% of full scale when out of temperature range, +/-X% of reading when temperature compensation is not available, it will lead to uncertainty in use. Whether the change in the output of the pressure transmitter is caused by the change in pressure or the change in temperature. Temperature factors are a complex part of understanding how to use a transmitter.
The basic parameters of the pressure transmitter are important comprehensive indicators for us to consider the advantages and disadvantages of the pressure transmitter. In the actual application process, it is also necessary to strictly control the parameters. This makes our working conditions safe and efficient for continuous operation.
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