Pressure Calibrator with Electric Pump
Sourcing 4 to 20 mA
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Sourcing 4 to 20 mA
To select current-sourcing mode, use the following
procedure:
1. Press A until Source is displayed.
2. Connect leads as shown in Figure 8.
3. Enter the desired current by pressing
Z or Y.
Simulating a 4 to 20mA Transmitter
Simulate is a mode of operation in which the calibrator is
connected into a loop in place of a transmitter and
supplies a known, settable test current.
1. Connect the 24 V loop power source as shown in
Figure 9.
2. Press A until Simulate is displayed.
3. Enter the desired current by pressing Z or Y.
+
–
Red
Common
Black
fgx012.eps
Figure 8. Sourcing mA Connections