KYORITSU KEW 2413F - Page 14

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 CAUTION
● Transformers jaws , especially theirtips, havebeen precisely
adjusted to obtain maximum accuracy. Take sufficient care to
avoidshock,vibrationorexcessiveforcewhenhandingthe
instrument.
● Whenaforeignsubstanceisstickinthejawtipsortheycannot
properlyengage,thetransformerjawsdonotfullyclose.Insuch
a case,do not releasethe jaw triggersuddenly or attemptto
closethetransformerjawsbyapplyingexternalforce.Makesure
thatthe jaws closeby themselves afterremoving the foreign
substanceormakingthemfreetomove.
● Themaximumsizeofconductorthatcanbemeasuredisapprox.
68 mmin diameter.An accurate measurementcannot bemade
on a conductor larger than this, because the transformer jaws
cannotbefullyclosed.
● Frequencyselectorswitch( 9 )isdesignedtoselectthe 50 / 60 Hz
and  WIDE  frequency ranges.Forfurtherdetails,referto
section 5 - 4 foroperationofthefrequencyselectorswitch.
● The transformer jaws may buzz when measuring large current.
Thishasnoeffectontheinstrument'sperformanceorsafety.
(
1 ) Setthefunction/rangeswitchtothedesiredposition.Donotexceed
themaximumallowableinputcurrentfortheselectedrange.
( 2 ) Fornormalmeasurement,pressthejawtriggertoopenthe
transformerjawsandclampontooneconductoronly.SeeFigure
3 . Earthleakagecurrentorsmallcurrentthatflowthrougha
groundedwirecanalsobemeasuredbythismethod.(Fig. 4 )
Ifisrecommendedthattheconductorisplacedatthecenterofthe
closedtransformerjaws.
( 3 ) Tomeasureoutofbalanceleakagecurrent,clamponto all
conductors except a groundedwire. Theleakage current measure
willbeindicationonthedisplay.(Fig. 4 &Fig. 5 )