Kyoritsu 3147A User Manual

Instruction manualKEW MEGseriesMODEL3144A, 3145A, 3146A, 3147A, 3148ACompact Insulation resistance tester with 2-rangeKYORITSU ELECTRICAL INSTRUMENTSW

―8―5−1 Mechanical zero adjustmentWith the Range switch set to the OFF position and withoutpressing the Test button, turn the Zero adjuster with ascre

―9―CAUTIONInstrument doesn't operate without connecting the test leadeven if the Test button is pressed down. Battery check andoperation chec

―10―6−1 AC voltage measurement (Mains disconnection check)The AC voltage measurement function is available on any ranges.(1) Connect the Earth probe

―11―<Simplified measurement of DC voltage>This instrument also provides simplified measurement of DCvoltage. Multiplying 0.9 by the indicated va

―12―(1) Check the maximum voltage that may be applied to the circuitunder test. Set the Range switch to a desired insulationresistance range. (2) Conn

―13―<Auto discharge function>This function allows electric charges stored in the capacitance ofthe circuit under test to be automatically discha

―14―M-3144A Output characterissticsM-3145A Output characterissticsM-3146A Output characterissticsInsulation resistanceInsulation resistanceInsulation

―15―6−5 Backlight functionTo facilitate working in dimly lit situations, a backlight function isprovided which illuminates the scale plate. Press th

―16―DANGERNever open the Battery cover during a measurement.WARNINGTo avoid possible electric shock, remove test leads beforeopening the Battery cover

―17―8−1 Case lidCase lid can be fit under the Housing case while makingmeasurement.(1) Unhook and open the Case lid.(2) Turn it 180 degrees.(3) Put t

Contents1．Safety warnings ……………………………………………………１2．Features ……………………………………………………………３3．Specification ………………………………………………………４4．Instrument layout …………………………

―18―8−2 Neck strap and Cord caseThis instrument is equipped with a strap to suspend from theneck to allow both hands to be used freely for e

―19―Female  ScrewMale ScrewProdPickel ProdExtension ProdHexagonal Hole8−3 Test prods and replacement1. Types of Test prodsMODEL8072:Standard Test pro

―20―8−4 Adaptors for the Earth cord and replacement1. AdaptorsMODEL7131:Safety alligator clipConnected to the Earth terminal of the Earthterminal bo

―21―8−5 Cleaning Meter coverThis instrument is managed by our company's quality standardand is delivered in the best condition after passed thein

DISTRIBUTORKYORITSU ELECTRICALINSTRUMENTSWORKS, LTD.No.5-20, Nakane 2−chome,Meguro-ku,Tokyo, 152-0031 JapanPhone:81−3−3723−0130 Fax:81−3−3723−0152URL:

―1―１．Safety warnings○This instrument has been designed, manufactured and testedaccording to IEC 61010-1: Safety requirements for ElectronicMeasuring

―2―DANGER¡Never make measurement on a circuit in which the electricalpotential exceeds following values.MODEL3144A/ 3147A : AC/DC600VMODEL3

―3―２．FeaturesMODEL3144A, 3145A, 3146A, 3147A, 3148A are two-range insulation resistance testers for testing low-voltage installation.¡Designed to foll

―4―¡Applicable standardsIEC 61557IEC 61010-1 Measurement CAT.III 300V/ CAT.II 600V Protection class IILocation for use: altitude 2000m or lessIEC 6101

―5―<Number of measurement>Possible number of measurement within the "BATTERY.GOOD"range.(Measure 5 sec., and take pause for 25 sec

―6―Temperature & humidity : 0℃∼40℃ (RH: 85% or less)range (no condensation)Storage temperature & : -20℃∼＋60℃ (RH: 75% or less)humidity range (

―7―①Meter zero adjuster ②Test button③Scale plate ④Pointer⑤Insulation resistance scale ⑥AC voltage scale⑦"BATTERY-GOOD" range ⑧Power-on-indic