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71X Series
Calibration Manual
Keypad Test
1. On the 714 Calibrator, press the large
2. Press and hold the small
3. Press and hold the
4. Scroll to 800.0 °C.
5. Press the
6. Disconnect the Type J test lead from the 714 Calibrator and press the O key to turn
Display Verification
1. Press and hold the I key and then press and release the green O key. This locks the
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. Press the
2. Press the
3. Set the Fluke 5520A to output in Type J thermocouple, press the Okey, 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.
C
key on the 714 Calibrator. The display should change to:
1472.0 °F
OUTPUT
the calibrator off.
714 in a mode where all display segments are on. All segments will stay on until the
I key is released.
O
key to turn on the 714 Calibrator. Press the
that the display indicates:
xx.x °C
INPUT
where xx.x is some variable number; or OL (overload) may be indicated.
T
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
I
key and the
C
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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