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8. On the 714 push the
9. Set the Fluke 5520A to the settings in Table 47 and verify the display readings on the
714 Calibrator.
Table 47. 714 Thermocouple Measure Verification (mV)
Fluke 5520A
-10.0000 mV
30.0000 mV
75.0000 mV
10. Disconnect the copper test lead from the Fluke 5520A.
Thermocouple Source Verification
1. Set the Fluke 8508A to VDC and 200 mV range. Connect the two-wire copper test
lead from the TC jack on the 714 Calibrator to the INPUT jacks of the Fluke 8508A.
2. Push the
OUPUT
3. On the 714, push the large and scroll keys to source the voltages in Table 48
while verifying the readings on the Fluke 8508A.
Fluke 714
-10.00 mV
30.00 mV
75.00 mV
4. Push the
test lead.
5. Connect the Type J thermocouple test lead from the Fluke 5520A TC jack to the TC
jack on the 714 Calibrator, observing correct polarity.
6. Set the Fluke 5520A to with 'Type J' input. On the 714, push the large
scroll keys to source the temperatures in Table 49 while verifying the readings on
the 5520A:
Table 49. 714 Thermocouple Source Verification (Temperature)
Fluke 714
-200.0 °C
0.0 °C
800.00 °C
1200 °C
The 714 verification test is now complete.
key until "mV" is shown on the display.
key on the 714 Calibrator to indicate:
0.00 mV
Table 48. 714 Thermocouple Source Verification (mV)
key on the 714 Calibrator to TYPE J and disconnect the copper wire
Fluke 714
-10.012 mV to -9.988 mV
29.985 to 30.015 mV
74.979 mV to 75.021 mV
Fluke 8508A
-10.015 mV to -9.9885 mV
29.9855 mV to 30.0145 mV
74.97875 mV to 75.02125 mV
Fluke 5520A
-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
Process Calibrators
Verification
and
35
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