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6. Measurement

6 -1

Mains disconnection check (Voltage measurement)

#DANGER

●Never make measurements under the circumstances

exceeding the designed measurement category and the

ratedvoltageoftheinstrumentandthetestleads.

●When testing installations which have large current

capacities, such as a power line, be sure to make

measurement on the secondary side of the circuit breaker

inordertoavoidgettinganelectricalshock.

●Extracautionshouldbetakentominimizethepossibilities

ofshortingthepowerlinewiththemetaltipoftestleadat

voltagemeasurement.Itmaycausepersonalinjury.

●The Battery cover must be closed and screwed before

startingameasurement.

●ConnecttheEarthcord(black)totheEarthterminalofthe

circuitundertest.

●Keep your fingers and hands behind the protective

fingerguardduringmeasurement.

Voltage can be measured by setting the Range switch on this

instrument toV

AC/DCposition. No need to press the Test

button. This instrument is equipped with an AC/DC auto-

detection circuit and can measure DC voltage. During a DC

voltage measurement, when applying a positive voltage to the

LineProbe(red),positivevaluesaredisplayedontheLCD.

Besuretoturnoffthecircuitbreakerofthecircuitundertest.

(1)Connect the Earth Cord (black) to the earth side of

the circuit under test and the

LineProbe(red)tothelineside

respectively.

(2)The voltage displayed on the

LCD shall beLo. If it is not

Lo, a voltage is applied on

the circuit under test. Check

thecircuitundertestagainand

turnoffthecircuitbreaker.

KYORITSU KEW3125A User Manual

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