Milliamps Dc Adjustment; Amps Dc Adjustment - Fluke ProcessMeter 789 Calibration Manual

Milliamps DC Adjustment

1. Connect the ProcessMeter to the mA output of the 5522A calibrator.
2. Turn the UUT's switch to
inputs.
3. Press and hold the Calibration Button for approximately 2 seconds. The unit will beep
(see Figure 11).
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
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.
Remove 1 A from UUT promptly after storing calibration constant.
Fuse will blow after 30 seconds.
6. Press  to store calibration constants.
W
. Make sure the test leads are in the mA  and COM
Note
W
. Make sure the test leads are in the A and COM jacks.
 Caution
ProcessMeter™
Calibration Adjustment
31