PNS630 Handheld Analyzer User Manual
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9.10 Polarity
In SMV RMS interface, choose Polarity in Function menu.
The polarity is mainly used for digital voltage/ current transformer in testing polarity.
Check the pointer swing. If it swings to “-”, it indicates the transformer with negative
polarity; if it swings to “+”, it indicates the transformer positive polarity; if it keeps still, it
indicates test failed and should check the transformer, test method or the parameter
settings.
SMV Polarity interface