Lower Display Ma Source Tests (725 Only) - Fluke 724 Calibration Manual

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Calibration Manual

Lower Display mA Source Tests (725 only)

1. Press M on the UUT until SOURCE appears on the lower display; then press V
2. Set the HP 3458A to measure dc current.
3. Connect the UUT and the HP 3458A as shown in Figure 11.
4. Use the arrow keys on the UUT to set the UUT to the currents in Table 16 and verify
Ω SENSE
HI
LO
GUARD
28
until mA appears on the lower display. If necessary, press M until SOURCE
appears on the lower display.
that the HP 3458A readings are within the limits shown.
INPUT
HI
LO
i
HP3458
Figure 11. Lower Display mA Source Connections
Table 16. Lower Display mA Source Readings
UUT Outputs
4.000 mA
12.000 mA
20.000 mA
24.000 mA
Warning
30 V maximum to
30V MAX ALL TERMINALS
SOURCE / MEASURE
mA +
V
TC
3W
Hz
RTD
TC
mA -
4W
COM
UUT
HP 3458A Readings
3.9972 mA to 4.0028 mA
11.9956 mA to 12.0044 mA
19.9940 mA to 20.0060 mA
23.9932 mA to 24.0068 mA
MEASURE
V
mA
LOOP
COM
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