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Low temperature pressure transmitter, inlet pressure transmi

time£º2019-08-09 15:29    source£ºair pressure sensor

Low temperature pressure transmitter, inlet pressure transmitter gauge pressure transducer

      When the pressure transmitter is installed in the field, the pressure and differential pressure transmitters reflect many incorrect process parameters: there is a problem of plugging of the pressure guiding tube, and there is a problem that the throttling device, the condensation tank, and the pressure guiding tube are not installed properly. There are electromagnetic interference problems and maintenance problems. Below, Dongguan Nanli Measurement and Control Equipment Co., Ltd. analyzes some major problems and causes encountered in the use of pressure transmitters.
 
      1. Inspection and test: Check whether the transmitter power supply is reversed, measure the power supply of the transmitter, whether there is 24V DC voltage, if it is with the meter, check whether the meter is damaged, and connect the ammeter into the 24V power circuit. , check whether the current is normal, whether the power is connected to the transmitter power input;
 
      2. Solution: If the polarity of the power supply is correctly connected, the power supply voltage to the transmitter must be ≥12V. If there is no power supply, check whether the circuit is disconnected, whether the instrument is selected incorrectly, and the header is damaged. If the meter is normal, the transmitter is normal. In this case, check whether other instruments in the loop are normal. Connect the power cable to the power terminal.

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