PF9800SeriesUser'sManual
Copyright © EVERFINE,Copyorspreadwithoutauthorizationisprohibited.
18
WhenthePF9811andPF9810areusedtoharmonicmeasurement,thedisplayswhich
thefunctionkeystoswitchthewindowareshowninFigure5.2.
Figure5.2 theloopswitchingdisplaycontentofharmonicmeasurementbyPF9811/PF9810
Whenusingthenormalmeasurement,therefreshrateofdisplayisabout0.5
seconds,andherefreshrateofdisplayisabout2secondsbyusingtheharmonic
measurement.
5.2FunctionofNormalmeasurement
ThemeasurementparameterscalculatedinnormalmeasuringstateisshowninTable
5.3.
Table5.3Measurementparametersinnormalmeasuringstate
Parameter Unit/Symbol Displaywindow
Voltage trueeffectivevalue V A
Current trueeffectivevalue
A B
Power Activepower
W C
PowerFactor Powerfactor
PF