Differential pressure transmitters measure differential pressure in gases, liquids, process industries, compressed air. The differential pressure transmitter adopts wide voltage power supply, frequency interception design, strong anti-interference ability, high precision, good stability, fast response speed, lightning protection and other characteristics. The differential pressure transmitter is also protected with current limiting, voltage limiting, and reverse polarity.
Differential pressure transmitter During use, errors will occur due to improper operation, which directly affects the measurement results. How to avoid some errors is very necessary, which will ultimately achieve safe, accurate and stable measurement of differential pressure transmitters.
01. When the differential pressure transmitter is used, the liquid pressure guide tube should avoid high points, and the gas pressure guide tube should avoid low points, which is a preparation work to be made when laying, so as to reduce the error of the error pressure transmitter.
02. To reduce the error of the differential pressure transmitter, there is also the two pressure tubes should be kept at the same temperature, the caliber should be as large as possible, and the pressure guide tube should be as short as possible.
03. The pressure guide tube of the liquid should be free of the presence of gas, and when using the isolation liquid, the liquid level of the pressure guide tube on both sides of the differential pressure transmitter should be the same.
04. When the differential pressure transmitter guide pipe is connected upwards to the process pipeline, its slope cannot exceed 1/12, which is to measure the liquid vapor.
05. Finally, when the differential pressure transmitter measures the gas, the pressure pipe we call should be connected downward to the process pipeline of the process, and the slope required should not be less than 1/12.
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