KYORITSU KEW3125A User Manual

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6-5 Voltage characteristics at measuring terminal
6-6 Use of Guard terminal
Whenmeasuringtheinsulationresistanceofacable,leakage
currentflowingonthesurfaceofcablejacketandthecurrent
flowing inside the insulator are mixed and may cause error
in insulation resistance value. In order to preventsuch error,
wind a conductive wire around the point where leakage
current flows. Then connect it to the Guard terminal. This
is to move out the surface leakage resistance of the cable
insulationtomeasureonlythevolumeresistanceofinsulator.
MakesuretousetheGuardcordsuppliedwiththisinstrument
toconnecttheinstrumenttoGuardterminal.
0
1000
2000
3000
4000
5000
6000
0.1
MΩ
1
MΩ
10
MΩ
100
MΩ
1000
MΩ
10
GΩ
100
GΩ
1000
GΩ
KEW3125A/3025A Output characteristics
5000V range
2500V range
1000V range
500V range
250V range
Insulation resistance
Output voltage (V)
www.calcert.com sales@calcert.com1.888.610.7664
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KYORITSU KEW3125A Specifications

General

Brand	KYORITSU
Model	KEW3125A
Category	Test Equipment
Language	English