FLUKE 789 CAL Process Meter with calibration certificate, 24 V loop

User Manual for the Fluke 789 CAL Process Meter with calibration certificate, 24 V loop - Page 35

For 789 CAL.

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789 CAL photo
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ProcessMeter™
Calibration Adjustment
31
Milliamps DC Adjustment
1. Connect the ProcessMeter to the mA output of the 5522A calibrator.
2.
Turn the UUT’s switch to
W. Make sure the test leads are in the mA and COM
inputs.
3. Press and hold the Calibration Button for approximately 2 seconds. The unit will beep
(see Figure 11).
Note
Pressing the Calibration Button puts the ProcessMeter into and out of
calibration mode. The ProcessMeter will remain in calibration mode until
the unit is turned off or the calibration button is pressed a second time.
CAL appears in the bottom display when the ProcessMeter is in calibration
mode.
4. Apply 0 mA dc. Press after the sourced value appears. Do not alter the
sourced value while the display reads Busy.
5.
Apply 30 mA dc. Press after the sourced value appears. Do not alter the
sourced value while the display reads Busy.
6. When
Store is displayed, press to store the calibration value.
Amps DC Adjustment
1. Connect the ProcessMeter to the A output of the 5522A calibrator.
2.
Turn the UUT’s switch to
W. Make sure the test leads are in the A and COM jacks.
3. Press and hold the Calibration Button for 2 seconds (see Figure 11). The unit will
beep.
4.
Apply 0 A dc. Press after the reading stabilizes.
5.
Apply 1 A dc. Press after the reading stabilizes.
Caution
Remove 1 A from UUT promptly after storing calibration constant.
Fuse will blow after 30 seconds.
6. Press to store calibration constants.
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