KYORITSU KEW3125A - Measurement - Voltage Check; Voltage Measurement (Mains Disconnection Check)

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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.
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