Frequency Measurements - AEMC 725 User Manual

Clamp-on harmonic probe
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Hz Push Button: Frequency Measurement
The Hz push button accesses the frequency function in either current or
voltage. Frequency measurements are possible from 0.5 Hz to 20,000 Hz.
The analog bar graph will continue to display current or voltage depend-
ing upon which function is selected.
The SMOOTH (3-second averaging) push button is also active in fre-
quency measurements (Hz).
Harmonic Frequency Measurements
In the HARM mode, frequency measurements are possible for the indi-
vidual harmonic orders in the secondary portion of the display.
Press the HARM push button, followed by the Hz push button
select Individual Harmonic frequencies (from H01 to 25th order),
which are displayed along with primary display information (A or V AC).
Clamp-On Harmonic Probe Model
P
HOLD
RECORD-PAUSE MAX MIN AVG
RANGE
SMOOTH THDF CFF RIPPLE AC + DC
!
0
1
2
3
4
Hz
AV
5
600
AV
Frequency of Individual
Harmonics
35

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