WIKA CPH7600 - Handbuch (Seite 35)

35 WIKA operating instructions, model CPH7600
14051628.01 11/2012 GB/D
GB
6. Commissioning, operation
6.11.2 Calibrating a pressure-to-current transmitter
To calibrate a pressure-to-current transmitter (P/I), perform the following:
1. Connect the calibrator and the pump to the transmitter.
2. Pressurise the transmitter via the calibrator.
3. Measure the current output of the transmitter.
4. Ensure that the read value is correct. If it isn't, the transmitter must be adjusted.
Figure 4: CPH7600 with a pressure transmitter
Use small-volume hose lines, as for as
possible