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71X Series
Calibration Manual
Keypad Test
1. On the 714 Calibrator, push the large
2. Push and hold the small
3. Push and hold the
4. Scroll to 800.0 °C.
5. Push the
6. Disconnect the Type J test lead from the 714 Calibrator and push the key to turn
Display Verification
1. Push and hold the key and then push and release the green key. This locks
2. Check to see that all segments of the display are showing.
3. Turn the 714 off.
The 714 verification test is now complete.
714 Verification (V2.0 and Later)
Thermocouple Measure Verification
1. Push the
2. Push the
3. Set the Fluke 5520A to output in Type J thermocouple, push the key, and set
7. Disconnect the Type J thermocouple test lead and install the two-wire copper test
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display change in 0.1 increments, then change in 1.0 increments, then change in
10.0 increments.
scroll key, verifying that the numbers scrolling on the display
change in 0.1 decrements, then change in 1.0 decrements, then change in 10.0
decrements.
key on the 714 Calibrator. The display should change to:
1472.0 °F
OUTPUT
the Calibrator off.
the 714 in a mode where all display segments are on. All segments will stay on until
the key is released.
key to turn on the 714 Calibrator. Push the
that the display indicates:
xx.x °C
INPUT
where xx.x is some variable number; or OL (overload) may be indicated.
key to measure Type J thermocouple and connect the Type J
thermocouple test lead from the TC jack of the Fluke 5520A to the TC jack on the
714 Calibrator, observing correct polarity.
the 5520A to the settings in Table 46, verifying the display readings on the 714:
Table 46. 714 Thermocouple Measure Verification
Fluke 5520A
-200.00 °C
0.00 °C
800.00 °C
1200.00 °C
lead from the Fluke 5520A NORMAL jacks to the 714 Calibrator TC jack, observing
correct polarity.
scroll key to 800.0 °C.
scroll key, verifying that the numbers scrolling on the
key and the
Fluke 714
-200.6 °C to -199.4 °C
-0.4 °C to +0.4 °C
799.6 °C to 800.4 °C
1199.5 °C to 1200.5 °C
key so
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