Fluke ProcessMeter 789 Calibration Manual page 41

Set the calibrator to Standby prior to changing the function switch position
and/or after completing adjustment of each function. If the calibration
adjustment procedure is not completed correctly, the UUT will not operate
correctly.
Remove 1 A from UUT promptly after storing calibration constant.
Fuse will blow after 30 seconds.
Table 13. Calibration Adjustment Steps for Models with Firmware Version >2.0
Input Terminal Step
1
2
3
4
5
6
7
8
V/COM 9
10
11
12
13
14
15
16
17
18
mA/COM
19
20
21
A/COM
22
23
A/mA
24
Note
 Caution
Input Value
400 mV ac, 60 Hz
4 V ac, 60 Hz
40 V ac, 60 Hz
400 V ac, 60 Hz
4 V dc
40 V dc
400 V dc
400 mV dc
40 mV dc
400 Ω
4 kΩ
40 kΩ
400 kΩ
4 MΩ
0 MΩ
40 MΩ
4 V dc
0 mA dc
30 mA dc
1 A dc
1 A ac, 60 Hz
1 A ac, 2 kHz
No input, 0 % (4 mA) output, measure
output current with HP3458
No input, 100 % (20 mA) output,
measure output current with HP3458
ProcessMeter™
Calibration Adjustment
Function
V ac
V ac
V ac
V ac
V dc
V dc
V dc
mV dc
mV dc
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Diode
mA
mA
A
A
A
mA source
mA source
37