Cal Iso Ma - Fluke 724 Calibration Manual

724/725
Calibration Manual

Cal ISO mA

Connect the UUT as shown in Figure 23.
Warning
30 V maximum to
SOURCE / MEASURE
mA +
3W
mA -
4W
From the Calibration Menu, enter the cal step for Cal ISO mA. The PC displays:
Set the Fluke 5520A to output 0.0000 mA. After a short while, the PC displays the
following calibration constants and prompt:
Set the Fluke 5520A to output 24.0000 mA then press the space bar on the PC. After a
short while, the PC displays the following calibration constants:
Press the space bar to return to the Calibration Menu.
Adjustment is completed. Turn the UUT off, then back on, to return to normal operation.
46
30V MAX ALL TERMINALS
MEASURE
V V
TC
mA
Hz
RTD
LOOP
TC
COM COM
UUT
Figure 23. ISO mA Calibration Connections
Enter 0 ma - press space bar to continue
Offset = -323
Enter 24.00 ma - press space bar to continue
diff = (Counts - Offset)
32133 = 31810 - -323
mA per count = 0.000747
- press space bar to continue
NORMAL AUX
V, , ,RTD A, -SENSE, AUX V
HI
1000V 20V
1V PK
RMS
RMS
MAX
MAX MAX
LO
20V
RMS
MAX
SHELLS
20A
GUARD
NOT
GROUNDED
TC
20V PK MAX 20V PK MAX
5520A
SCOPE
OUT
150V
PK
MAX
TRIG
20V
PK
MAX
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