MD 9273 Leakage Clamp
I
–
Online current measurement
34
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
Voltage
function and wait for active Bluetooth
®
communication sign.
•
Set test parameter.
•
Start the continuous measurement.
•
Stop the measurement.
•
Save results (optional).
Figure C.7: Voltage test results
Measurement results / sub-results
Urms
Effective voltage value
–
last obtained result.
Urms min
Minimum effective voltage value during measurement time duration.
Urms max
Maximum effective voltage value during measurement time duration.
Udc
DC voltage value.
THDu [V]
Effective voltage value of all harmonics.
THDu [%]
Total harmonic distortion.
Uh
Effective voltage value of set harmonic (5
th
on Figure C.7: Voltage test results).
CFU
Voltage Crest factor
–
peak voltage to effective voltage ratio.
Freq
Fundamental frequency.
Appendix D
I
–
Online current measurement