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How Do You Calibrate A D. P. Transmitter?

Answer»

The following steps are to be taken which claribrating :

  1. Adjust zero of the Xmtrs.
  2. Static preasure TEST: Give equal pressure on both SIDES of the TRANSMITTER. Zero should not shift. If it is shifting carry out static alignment.
  3. Vaccum test: Apply equal vaccum to both the sides. The zero should not shift.

Calibration Procedure:

  • Give 20 PSI air supply to the transmitter.
  • Vent the L.P. side to atmosphere.
  • Connect output of the Instrument to a standard test gauge. Adjust zero.
  • Apply required pressure to high pressure side of the transmitter and adjust the span.
  • Adjust zero again if necessary.

The following steps are to be taken which claribrating :

Calibration Procedure:


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