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Temperature Calibrator
Using Measure Mode
17
Using Measure Mode
Measuring Electrical Parameters (Upper Display)
To measure the current or voltage output of a transmitter,
use the upper display and proceed as follows:
1. Press A to select current. LOOP should not be on.
2. Connect the leads as shown in Figure 7.
Current Measurement with Loop Power
The loop power function activates a 24 V supply in series
with the current measuring circuit, allowing you to test a
transmitter when it is disconnected from plant wiring. To
measure current with loop power, proceed as follows:
1. Connect the calibrator to the transmitter current loop
terminals as shown in Figure 8.
2. Press K while the calibrator is in current
measurement mode. LOOP appears and an internal
24 V loop supply turns on.
TC RTD
100%
25%
25%
RECALL
MEAS
SOURCE
STORE
SETUP
0%
TEMPERATURE CALIBRATOR
724
Black
Red
V
LOO P
mA
V
˚
F
˚
C
zi05f.eps
Figure 7. Measuring Voltage and Current Output