Cal Iso Volts - Fluke 724 Calibration Manual

Cal ISO Volts

Connect the UUT as shown in Figure 22.
Warning
30 V maximum to
30V MAX ALL TERMINALS
SOURCE / MEASURE
mA +
V
TC
3W
Hz
RTD
mA -
4W
COM
UUT
From the Calibration Menu, enter the cal step for Cal ISO Volts. The PC displays:
Enter 0 Volts
Set the Fluke 5520A to output 0.0000 V, then press the space bar on the PC. After a
short while the PC displays the following a calibration constant and new prompt:
Offset = -324
Enter 30.00 Volts
Set the Fluke 5520A to output 30.0000 V, then press the space bar on the PC. After a
short while, the PC displays the following calibration constants and prompt:
diff = (Counts - Offset)
30700 =
Volts per count =
- press space bar to continue
Press the space bar to return to the Calibration Menu.
MEASURE
V
mA
LOOP
TC
COM
Figure 22. ISO Volts Calibration Connections
- press space bar to continue
- press space bar to continue
30376 - -324
0.000977
Calibration Adjustment Procedures
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
Calibrators
SCOPE
OUT
150V
PK
MAX
TRIG
20V
PK
MAX
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