KYORITSU KEW 2003A - Page 6

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# CAUTION
󱾀 Make sure that the Function Selector switch is set to an
appropriatepositionbeforemakingmeasurement.
󱾀 Alwaysmakesuretoinserteachplugofthetestleadsfullyinto
theappropriateterminalontheinstrument.
󱾀 BesuretosettheFunctionSelectorswitchtothe"OFF"position
afteruse.Whentheinstrumentwillnotbeinuseforalongperiod
oftime,placeitinstorageafterremovingthebatteries.
󱾀 Do not expose the instrument to the direct sun, extreme
temperaturesordewfall.
󱾀 Useadampclothanddetergentforcleaningtheinstrument.Do
notuseabrasivesorsolvents.
󱾀 Takesufficient care nottoapply shock suchasdrop.Otherwise,
preciselyadjustedTransformerjawswillbedamaged.
󱾀 Be careful not to pinch some foreign substances with the
Transformerjawtips.
󱽾 Measurementcategories(Over-voltagecategories)
To ensure safeoperation of measuringinstruments, IEC 61010
establishessafety standards for various electrical environments,
categorized as O to CAT IV, and called measurement categories.
Higher-numbered categories correspond to electrical environments
with greater momentary energy, so a measuring instrument
designed for CATIII environments canendure greater momentary
energythanonedesignedforCATII.
O :Circuits which are not directly connected to the mains
powersupply.
CATII :Electrical circuits of equipment connected to an AC
electricaloutletbyapowercord.
CATIII:Primary electrical circuits of the equipment connected
directly to the distribution panel, and feeders from the
distributionpaneltooutlets.
CATIV:The circuit from the service drop tothe service entrance,
and to the power meter and primary overcurrent
protectiondevice(distributionpanel).
O: Device which is
not directly
connected to the
mains power supply