How to determine whether the working condition of the pressure transmitter is normal?

Time: 2024-10-29
Equipment Configuration:pressure transmitter

When detecting the working status of the pressure transmitter, you can use the multimeter to measure the current signal.

Project Overview

  I. Measure the current signal with a multimeter

  When detecting the working status of the pressure transmitter, you can use the multimeter to measure the current signal. First of all, you need to disconnect the connection line of the transmitter output, and then access the current gear of the multimeter to one of the electrodes, then the multimeter will show the current value. At this time you can pressurize and observe the multimeter whether there is a change, if there is no change means that the pressure transmitter is faulty.

  Second, compare the measured and theoretical values

  By comparing the measured and theoretical values to determine the working status of the pressure transmitter is also a more effective method. The pressure transmitter can be connected to the standard manometer, and the two output values for comparison. If the difference between the two is large, then the pressure transmitter is faulty.

  Third, observe whether there is air leakage

  Pressure transmitter will produce pressure when working, if there is air leakage, it will lead to the pressure transmitter can not work properly. Therefore, to observe whether the pressure transmitter has air leakage is also an important method to detect its working condition.

  In summary, the working status of the pressure transmitter can be judged by using a multimeter to measure the current signal, comparing the measured and theoretical values, and observing whether there is air leakage. In practical application, it can be combined with a variety of methods for comprehensive judgment to ensure the normal operation of the equipment.

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