Testing The Amp (A) Function - Fluke 87 III Series Service Information

80 Series III
Service Information
7. For each input, compare the readings on the Meter display to the display readings for
Step
1
2
AC Current
3
4
5
6

Testing the Amp (A) Function

To verify the accuracy in the ampere (
1. If necessary, set the Calibrator output to 0.
2. Connect the Calibrator to the
3. Turn the rotary switch to
4. Apply the inputs in steps 1 and 2 in Table 13.
5. For each input, compare the readings on the Meter display to the display readings for
6. Set the calibrator output to 0.
7. Press the blue button on the Meter to toggle to the AC amp measurement function.
8. Apply the inputs in steps 3 through 6 in Table 13.
9. For each input, compare the readings on the Meter display to the display readings for
Step
1
2
3
4
5
6
22
your Model of Meter.
DC Current
350.0 µA
3500 µA
Frequency
350.0 µA
60 Hz
350.0 µA
1.0 kHz
3500 µA
60 Hz
3500 µA
1.0 kHz
The Meter enters the DC amp measurement function.
your Model of Meter.
your Model of Meter.
DC Current
3500 mA
10.00A
AC Current Frequency
3500 mA 60 Hz
3500 mA 1.0 kHz
10.00 A 60 Hz
10.00 A 1.0 kHz
Table 12. µA Tests
Display Reading
83 III
348.2 to 351.8
3484 to 3516
83 III
345.6 to 354.4 346.3 to 353.7
345.6 to 354.4 346.3 to 353.7
3456 to 3544
3456 to 3544
measurement function, do the following:.
A)
and inputs of the Meter.
A COM
mA/AC.
Table 13. Current Tests
83 III
3482 to 3518
9.94 to 10.06
83 III
3456 to 3544
3456 to 3544
9.86 to 10.14
9.86 to 10.14
85 III
348.9 to 351.1 348.9 to 351.1
3491 to 3509 3491 to 3509
85 III
346.3 to 353.7
346.3 to 353.7
3463 to 3537 3463 to 3537
3463 to 3537 3463 to 3537
Display Reading
85 III 87 III
3489 to 3511 3489 to 3511
9.96 to 10.04 9.96 to 10.04
85 III 87 III
3463 to 3537 3463 to 3537
3463 to 3537 3463 to 3537
9.88 to 10.12 9.88 to 10.12
9.88 to 10.12 9.88 to 10.12
87 III
87 III