KYORITSU KEW 2413F - ５−３ How to Use Peak Hold Function

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５−３ How to Use Peak Hold Function
10 ms or 100 ms responsetimecanbeselectedforpeakhold
measurement.Makeselectionaccordingtoyourapplicationneeds.
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1 ) Withthetransformer jaws clampedontotheconductor undertest,
slide the peak hold switch from the OFF position to the desired
peakresponsetimeposition.
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2 ) Thepeakholddisplayreads 1 / √ 2 ofthepeakcurrentvalue.
Therefore,anRMS reading willbeobtained when the current
undertesthasasinusoidalwaveform.
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3 ) SlidethepeakholdswitchbacktotheOFFpositionforareset.
Note 1 ： KEW 2413 Fusesananaloguepeakholdcircuittoensurea
quickresponsetoinputcurrent.Becauseofthenatureofthis
circuit,thepeakholdreadingmaygraduallyfallor,inarare
case,rise withtime. Thisis likelyto beapparent whenthe
instrument is used in a high temperatureand high humidity
environment.Therefore,theinstrumentwillnotbesuitablefor
makingpeakmeasurementoveran extended periodoftime.
Incaseofsuchaneed,connectarecordertotheinstrument
viatheanalogueoutputterminal.