The pressure transmitter will be calibrated before leaving the factory to ensure the accuracy of its measurement data, or if the pressure transmitter fails during use, the calibration of the pressure transmitter is also an important part. So how do you calibrate a pressure transmitter?
The calibration of pressure transmitters, differential pressure transmitters, pressure gauges, pressure switches and other instruments is carried out through the pressure calibration bench. The pressure calibration bench includes a pressure source (CNC hydraulic/pneumatic system), a digital pressure sensor, an image processing system, verification software, a computer and a printer. For pressure transmitters, the pressure calibrator measures the electrical signal they output, and after the pressure of the tester control system reaches the required pressure point, the software reads the electrical signal value of the pressure transmitter, which is compared with the standard electrical signal value to calculate the display value error. After the verification is completed, the error data is calculated, processed and the error data is saved, and finally the error data table and verification results are displayed and printed.
According to the different working media, the pressure calibration table can be divided into hydraulic calibration table, air pressure calibration table, vacuum calibration table, etc. According to the difference in the level of mechanization, it can be divided into different types such as automatic pressure calibration bench, semi-automatic pressure calibration bench, and intelligent pressure calibration table.
As an enterprise in the production and R&D of pressure transmitters, the pressure calibration table is an essential testing equipment. In the production, R&D and testing process of pressure transmitter, every link is strictly controlled to ensure the good quality of pressure transmitter.
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