PF9800seriesUser’sManual
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15
Chapter4MeasurementConditionSettings
4.1TheWiringModeoftheMeasurementCircuit
PleaseconnectthepowersupplyandloadaccordingtoFigure4.1whenmeasuringthe
voltageandcurrent.
Figure4.1 TheWiringMode
Note:Aloadcurrentflowsinthethicklinesshowninthediagrams;therefore,awire
withsufficientcurrentcapacitymustbeusedfortheselines.
4.2MeasurementRange
4.2.1Rangeofvoltage,currentandPower
Table4.1Therangeofvoltage,currentandpower
Rangeofvoltage
Rangeofcurrent RangeofActivePower
AllModels PF9804/PF9811 PF9810 AllModels
75V/150V/300V/600V 0.5A/2A/8A/20A 50mA/200mA/800mA/
2000mA
Rangeofvoltage
×
Range
ofcurrent
4.2.2Conditionforautomaticrangeswitch
(1)Rangechangeup(Therangewillbeautomaticallychangedupwhenmeeting
anyofthefollowingconditions):
1)TheValueofUrmsorIrmsismorethan110%ofthecurrentmeasurement
range.
2)ThevalueofUpkorIpkismorethan165%ofthecurrentmeasurement
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