718 Calibration (V4.0 And Later); Ma Measure - Fluke 71X Series Calibration Manual

6. The CHEC mode allows for a quick check of the calibration constants that have just
7. The 718 Calibrator is now out of the CAL mode and into the normal mode of

718 Calibration (V4.0 and Later)

mA Measure

1. Hold down both
2. A password is required to enter calibration mode. The password is 817. Enter the
3. Connect the test leads from the AUX jacks of the Fluke 5520A to the mA jacks on
4. Set the Fluke 5520A to 0.00000 mA.
5. Set the Fluke 5520A to 12.0000 mA. The upper display reads approximately
6. Push on the 718.
7. Set the Fluke 5520A to 24.0000 mA.
8. Push on the 718. CHEC appears on the lower display.
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been stored. Changes to the applied pressure reflect on the display. Push
continue. The unit will then reset power.
operation. Carefully vent all pressure, push  to turn the calibrator off, and
disconnect all pressure fittings.
 and on the 718 Pressure Calibrator. Push and release .
The display shows CAL xxx, as long as
number, that tells you the number of times the 718 has been through the calibration
adjustment. When  and are released, PASS is shown.
most significant digit first. The password appears below PASS. Use to increase
the shown number, to decrease it. When the required digit is shown, push to
go to the next digit, or the password check. If the password entry was correct, the 718
will go to the CAL mode. If the password is incorrect, BAD PASS shows on the
display and the 718 returns to the normal operation mode.
In the CAL mode the upper display shows an uncalibrated reading. This reading is
approximately ± 10 % of full scale of the applied reading. When is pressed, the
calibration value is calculated relative to this reading.
The lower display shows what function and point is being calibrated.
In mA Measurement calibration mode, the 718 should show:
mA on the upper display
and
CAL 0 mA on the lower display.
the 718 Calibrator (black to black and red to red).
When 0.0 mA is sourced from the 5520A the upper display shows approximately
0.000 mA. When is pushed, the unit establishes the calibration constant for that
point and the lower display changes to CAL 12 mA. The upper display still shows
the applied current so it does not change until after 12 mA is applied.
12.000 mA.
When 12.000 mA is sourced from the 5520A, the upper display shows approximately
24.000 mA. When is pushed, the unit establishes the calibration constant for
that point and the lower display changes to CAL 24 mA. The upper display still
shows the applied current so it does not change until after 24 mA is applied.
The upper display shows approximately 24.000 mA.
Fluke-Direct
 and are pushed. Where xxx is a
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