Configure The Reference Probe Coefficients; Connect A Test Rtd - Fluke 6109A Operator's Manual

6109A/7109A
Operators Manual

Configure the Reference Probe Coefficients

Connect a Test RTD

Number
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22
1.800.561.8187
Probe coefficients must be configured for the PRT temperature to be accurately
measured. If the reference probe has a properly-programmed INFO-CON
connector, probe coefficients are automatically configured when the probe is
connected to the Product. The connection icon shows at the top of the display to
show that the probe coefficients were successfully transferred from the
connector. To view the probe coefficients and verify that they are correct, go to
the Reference Probe menu:
1. Push .
2. Push  (Probe Function).
3. Push  (Reference Probe).
4. Push  or  to step through the list.
5. Push  (Done) to return the first screen.
If the reference probe does not have a programmed INFO-CON connector, enter
the probe coefficients manually. Get the values from the reference PRT's report
of calibration. Push  (Test Calculation) to test the probe coefficients and
see that they produce correct temperatures.
When properly connected and configured, the temperature of the reference
probe shows on the display under Reference in Monitor mode.
The Input Module measures the resistance of a four-wire, three-wire, or two-wire
RTD. The RTD connects to the set of four banana terminals on the Input Module.
See Figure 12.
1
4-wire RTD
3-wire RTD
2-wire RTD
Figure 12. Test RTD Connections
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