M4000 Insulation Analyzer User Guide
72A-1230 Rev. F 2-15
July 22, 2005
Figure 2.7 Clipboard Configuration
Tes t Typ e - If Line Frequency Modulation is selected, a test at ± 5% of the
reference frequency, will be performed. This selection is desirable when
testing in the presence of electrostatic interference. If Line Sync Reversal is
selected, a test at the positive polarity and a test at the negative polarity in
reference to the input voltage at the base frequency is performed. This
selection is desirable when performing tests using a resonator or exciting
current tests on a transformer.
Display Mode - If Reference to 10 kV is selected, all results will be reported
as if 10 kV were the applied voltage. If results obtained were tested at 2 kV,
current and watts measurements will be multiplied by 5. Historically, this is
the way all Doble tests have been performed. If Actual Values are selected, all
results will be reported in reference to the applied voltage.
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