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3.6.2 Pressure transmitter Calibration
The calibrator supports calibration of 2-wire, 3-wire and 4-wire pressure transmitters.
1. Prepare
Select the pressure output in menu.
Open the pressure output area of main operation interface: High-pressure or low-pressure range (depends on
the range of the transmitter).
Switch the electrical measurement item of main operation interface to: Current or voltage measurement
(depend on the output signal of the transmitter).
If the current-type 2-wire pressure transmitter needs loop power supply, you shall enable loop power supply in
the current function menu.
2. Connection
For 2-wire pressure transmitter connect as shown in Figure 22.
For 3-wire pressure transmitter, connect as shown in Figure 23.
For 4-wire pressure transmitter, connect as shown in Figure 24.
If the transmitter is a differential pressure transmitter, you shall connect the REF port properly.
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