MI 3000 EasiPLUS Measurements
Step 3 Check the displayed warnings. The Voltage and Frequency test continually
runs, showing fluctuantions as they occur, these results are shown on the
display during measurement.
Figure 5.41: Examples of voltage and frequency measurements
Displayed results:
Ul-n.........Voltage between phase and neutral conductors,
Ul-pe.......Voltage between phase and protective conductors,
Un-pe .....Voltage between neutral and protective conductors.
When testing three-phase system the following results are displayed:
U1-2........Voltage between phases L1 and L2,
U1-3........Voltage between phases L1 and L3,
U2-3........Voltage between phases L2 and L3.
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