Lower Display Frequency Source Test (725 Only) - Fluke 724 Calibration Manual

724/725
Calibration Manual

Lower Display Frequency Source Test (725 only)

1. Press M on the UUT until SOURCE appears on the lower display.
2. Press F on the UUT until Hz appears on the lower display.
3. Configure the HP 3458A to measure frequency; then make the connections shown in
4. Use the arrow keys on the UUT to set the UUT output to the frequencies in Table 11
5. Press M on the UUT to disable the sourcing function.
HI
LO
GUARD
22
Figure 7.
and verify that the HP 3458A readings are within the limits shown. (Use F to
change the UUT output to kilohertz when necessary.)
Ω SENSE
INPUT
HI
LO
i
HP3458
Figure 7. Lower Display Frequency Source Test Connections
Table 11. Lower Display Frequency Source Readings
UUT Outputs
40 Hz
1000 Hz
1.0 kHz
4.0 kHz
10.0 kHz
Warning
30 V maximum to
30V MAX ALL TERMINALS
SOURCE / MEASURE
MEASURE
mA +
V
V
TC
mA
3W
Hz
RTD
LOOP
TC
mA -
4W
COM COM
UUT
HP 3458A Readings
39.98 Hz to 40.02 Hz
999.5 Hz to 1000.5 Hz
997.5 Hz to 1002.5 Hz
3.990 Hz to 4.010 kHz
9.975 Hz to 10.025 kHz
aal08f.eps