MD 9273 Leakage Clamp
hn
–
Voltage harmonics test
38
Appendix F
h
n
–
Voltage harmonics test
Harmonics (1 through to 19) are measured and displayed in the chart as an absolute magnitude of the signal
or as a percentage of the fundamental frequency amplitude (the 1
st
harmonic h1). Absolute magnitude or
percent value display is chosen by parameter setting.
Figure F.12: Harmonics U test menu
Measurement parameters
Type
%
harmonics and distortion are displayed as relative value
V
harmonics and distortion are displayed as absolute value
Connection diagram
Use
Voltage
test connection scheme from MD 9273 Manual.
Measurement procedure
•
Connect MD 9273 to the item to be tested and set Bluetooth® mode.
•
Enter the Harmonics U function and wait for active Bluetooth® communication.
•
Set Type parameter for display values of harmonics.
•
Set charts Y value range within expected values (optional; could be set later).
•
Start the continuous measurement.
•
Stop the measurement.
•
Save results (optional).
Figure F.13: Harmonics U test result
Measurement results / sub-results