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Three troubleshooting methods for pressure transmitters

Three troubleshooting methods for pressure transmitters

  • Categories:Industry News
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  • Time of issue:2020-08-19
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(Summary description)If the pressure transmitter has some faults during use, it can be solved and eliminated through the following steps

Three troubleshooting methods for pressure transmitters

(Summary description)If the pressure transmitter has some faults during use, it can be solved and eliminated through the following steps

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2020-08-19
  • Views:0
Information

If the pressure transmitter has some faults during use, it can be solved and eliminated through the following steps:

1. Replacement method: Re-prepare a normal pressure transmitter to directly replace the suspected faulty one, so that it can be easily and quickly determined whether the pressure transmitter itself is faulty or the pipeline or other equipment is faulty.

2. Circuit breaking method: Separate the suspected faulty part from the other parts and check whether the fault disappears. If it disappears, determine the fault location, otherwise you can proceed to the next search, such as: Smart differential pressure transmitter cannot be used for Hart remote communication , The power supply can be disconnected from the main body of the instrument, and the transmitter can be energized for communication with an additional power supply on site to check whether the cable is superimposed with an electromagnetic signal of about 2kHz and interferes with the communication.

3. Short-circuit detection: Under the condition of ensuring safety, directly short-circuit the relevant part of the loop, such as: the output value of the differential transmitter is too small, the pressure guiding tube can be disconnected, and the differential pressure signal can be directly transmitted from the primary pressure valve Directly lead to both sides of the differential pressure transmitter and observe the output of the transmitter to determine the plugging and leaking connectivity of the pressure guiding pipeline.

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