Everfine PF9800 SERIES - Measurement Range Specifications; Automatic Range Switching Conditions

PF9800SeriesUser'sManual
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range.
(2)Rangechangedown(Therangewillbeautomaticallychangeddownwhen
meetinganyofthefollowingconditions):
1)ThevalueofUrmsislessthan30%ofthecurrentmeasuringrangeorthe
valueofIrmsislessthan20%ofthecurrentmeasuringrange.
2) ThevalueofUpkorIpkislessthan165%ofthenextmeasuringrange.
(3)Whentheinputeffectivevoltageorcurrentismorethan140%ofthe
maximumrange,overrangedisposewilloccurs,thecorrespondingvalueof
voltage/currentandpowerdisplay “-- --”.
Note:Becausetherangeissettoauto,themeasuringrangeswitchesaccordingto
rangeup/rangedownconditions.Thereforetherangemayvaryevenifthemeasured
valuesremainthesame.Theinstrumentissettomaximrangewhenpoweron.