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Precautions for using a pressure transmitter

From: Issued date 2020.01.14 Back

The use of pressure transmitters has become more and more widespread, and correct and standardized operation can prolong its service life. So what issues should be paid attention to during use:

(1) Prevent the transmitter from coming into contact with corrosive or hot media;


(2) Prevent dregs from depositing in the duct;


(3) When measuring liquid pressure, the pressure taking port should be opened on the side of the process pipeline to avoid sedimentation;


(4) When measuring the gas pressure, the pressure taking port should be opened at the top of the process pipeline, and the transmitter should also be installed at the top of the process pipeline so that the accumulated liquid can be easily injected into the process pipeline;


(5) The pressure guiding tube should be installed in a place with small temperature fluctuations;


(6) When measuring steam or other high-temperature media, a condenser such as a buffer tube (coil) must be connected, and the operating temperature of the transmitter should not exceed the limit;


(7) When freezing occurs in winter, the transmitter installed outdoors must take anti-freezing measures to avoid the expansion of the liquid in the pressure port due to the freezing volume, resulting in damage;


(8) When measuring liquid pressure, the installation position of the transmitter should avoid the impact of liquid (water hammer phenomenon), so as to avoid damage to the sensor due to overpressure;


(9) When wiring, pass the cable through the waterproof joint (accessory) or flexible pipe and tighten the sealing nut to prevent rainwater and other leakage through the cable into the transmitter housing.

Nanjing Wotian has been focusing on the production of pressure transmitters for 15 years. A professional technical team will answer your questions and doubts. If you have any needs, please call our hotline at 400-8508-330 at any time. Xiaobian is waiting for you advisory.


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