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Using Input Mode
In Input mode, the Calibrator measures resistance, and temperature from RTD and
thermocouple sensors and displays pressure measurements from Fluke 700 and
6100 series pressure modules.
The figures is this chapter show how to connect to a Fluke 725
Multifunction Process Calibrator. For other instruments, refer to the
users manual for connection instructions.
Measuring Resistance
The Calibrator will only measure resistance using a 4-wire system. The Input
terminals supply a fixed DC current and the Sense terminals measure the voltage.
When you connect to a 4-wire calibrator, connect the Input to the output terminals
and the Sense to the sense terminals for proper measurement.
To measure resistance using a 4-wire to 2-wire connection
1. Connect the Calibrator to the instrument you want to test as shown in
Figure 3-1.
2. If necessary, press C to select RTD mode.
3. Press E to select an ohms range (400 or 4000 ohms).
4. If necessary, press I 8 for RTD IN mode.
Using Input Mode
Note
Chapter 3
3-1
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