5322A
Operators Manual
76
Multimeter Input Selection
The Input softkey has these selections: No HV probe, 10 kV probe, 40 kV prove,
and HV 5 kV. When set to No HV probe, the Meter V terminal is active and
measures up to 1100 V rms. When set to 10 kV probe or 40 kV probe, an
external high-voltage probe is used along with the Meter V terminal.
The Fluke 5322A 10 kV Divider (probe) divides the voltage down so the
multimeter can measure dc voltage or ac voltage up to 10 kV with a frequency of
50 Hz or 60 Hz. The Fluke 80k-40 probe will divide down the voltage so the
multimeter can measure dc voltage or ac voltage up to 40 kV with a frequency of
50 Hz or 60 Hz. The HV input, selected by setting the Probe parameter to HV
5 kV, offers direct measurement of up to 5000 V ac rms or dc using the
separated input terminal on the front panel. See DUT Calibration Examples.
Using the Input softkey, you can set one of these positions:
• No HV probe, which activates the V-COM meter input terminals.
• 10 kV probe, external 5322A 10 kV Divider using the V-COM meter input
terminals.
• 40 kV probe, external Fluke Calibration probe using the V-COM meter input
terminals. The 40 kV probe is an accessory that can be ordered from Fluke
Calibration.
• HV 5kV using the HV-COM terminals to directly measure 5000 V ac rms or
dc.
HIPOT LC Function
The HIPOT LC function is for HIPOT tester verification. The Product measures
test voltages sourced by a HIPOT tester (DUT) and leakage current using the
5322A LOAD device and the built-in meter. The maximum voltage and current
measured are held on the display until the Clear softkey is pushed or the main
function is changed. See Figures 21 and 23.
The Product also measures distortion and ripple coefficient of the HIPOT test
voltage. In ac mode the Product measures total harmonic distortion (THD), in dc
mode it measures ripple coefficient. The ripple coefficient is displayed in two
formats:
• Absolute ripple coefficient, defined as the difference between minimum and
maximum measured dc level. It is expressed in volts.
• Relative ripple coefficient, defined as the ratio between the root mean square
(RMS) of the ac signal to the average dc level of the signal. It is expressed in %.
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