... WARNINGBEEXTREMELYCAREFULINTHEUSEOFTHISMETER.Improperuseofthisdevicecanresultinelectricshockordestroyofthemeter.Followallsafeguardssuggestedinthismanualandthenormalsafetyprecautionsusedinworkingwithelectricalcircuits.Donotservicethisdeviceifyouarenotqualifiedtodoso.Toensuresafeoperation,andinordertoexploittothefullthefunctionalityofthemeter,pleasefollowthedirectionsinthissectioncarefully.ThismeterhasbeendesignedaccordingtoIEC-1010concerningelectronicmeasuringinstrumentswithanovervoltagecategoryCATⅢ600Vandpollution2.Followallsafetyandoperatinginstructionstoensurethatthemeterisusedsafelyandiskeptingoodoperatingcondition.Withproperuseandcare,thedigitalmeterwillgiveyouyearsofsatisfactoryservice.1.1PRELIMINARY1.1.1Whenusingthemeter,theusermustobserveallnormalsafetyrulesconcerning:-Protectionagainstthedangersofelectricalcurrent.-Protectionofthemeteragainstmisuse.1.1.2Whenthemeterisdelivered,checkthatithasnotbeendamagedintransit.1.1.3Whenpoorconditionunderharshpreservationorshippingconditionscaused,inspectandconfirmthismeterwithoutdelay.1.1.4Beforeusingtocheckforvoltage,alwaystestthemeteronaknownlivecircuittoverifythatthedetectfunctionofthemeterisworkingproperly.1.1.5Testleadortestclipmustbeingoodcondition.Beforeusingverifythattheinsulationontestleadortestclipisnotdamagedand/ortheleadswireisnotexposed.1.1.6Fullcompliancewithsafetystandardscanbeguaranteedonlyifusedwithtestleadssupplied.Ifnecessary,theymustbereplacedwiththesamemodelorsameelectricratings. User& apos;sManualSinoMeter MS82114.12.1Rotatetheprobesocketanti-clockwisetospintheprobeintothemeter.4.12.2SetthetransformswitchattheVrangeposition.4.12.3Besurethatthedisplayisnotshown“”,otherwise,thebatteryshouldbereplaced.4.12.4SetthetransformswitchtotheTESTrange.ThenthegreenLEDoftheLEDIndicatorisbright.4.12.5Rotatethesensitivityadjustingknobinthemiddleofthetransformswitchanti-clockwise,setthemetertothehighestdetectingsensitivityinordertoenlargethedetectingrange.4.12.6Puttheprobesocketclosetotheleadorthepowersocket,IfACelectricalvoltageispresent,theredLEDIndicatorwhichinfrontofthemeterwillflashandtheaudiblewarningwillsound.4.12.7Intheplaceswithmanyleadsandjacks,rotatethesensitivityadjustingknobinthemiddleofthetransformswitchclockwise,setthemetertothelowerdetectingsensitivityinordertoconfirmwhichoneiselectriferous.NOTE:-WhenusingACVdetectingfunction,alwayssetthemetertothehighestsensitivity.-Inthisrange,eventhoughthereisnoanysoundandlightindication,themeterwillstillconsumeelectricity.-Thereisnoautopowerofffunctioninthisrange.-AlwayssetthepowerswitchtotheOFFpositionwhenthemeterisnotinuse.5.MAINTENANCE5.1BATTERYREPLACEMENTWARNINGBeforeattemptingtoopenthebatterycoverofthemeter,besurethattheprobetipofthemeterandtestlead(ortestclip)havebeendisconnectedfrommeasurementcircuittoavoidelectricshockhazard.5.1.1Ifthesign‘’appearsontheLCDdisplay,itindicatesthatthebatteryshouldbereplaced.5.1.2Loosenthescrewfixingthebatterycoverandremoveit.5.1.3Replacetheexhaustedbatterywithanewone.5.1.4Putthebatterycoverasitsorigin.5.2TESTLEADS(ORTESTCLIP)REPLACEMENTWARNINGFullincompliancewithsafetystandardscanbeguaranteedonlyifusedwithtestleadssupplied.Ifnecessary,theymustbereplacedwiththesamemodelorsameelectricratings.Electricratingsofthetestleads:600V10A.Youmustbereplacedthetestleadiftheleadisexposed.6.ACCESSORIES⑴TestLead:ElectricRatings600V10Aonepiece⑵TestClip:ElectricRatings600V10Aonepiece⑶Battery:1.5V,AAAtwopieces⑷InstructionManualonepiece1.2DURINGUSE1.2.1Beforeusing,youmustselecttherightfunctionandrange.1.2.2Neverexceedtheprotectionlimitvaluesindicatedinspecificationsforeachrangeofmeasurement.1.2.3Whenthemeterislinkedtoameasurementcircuit,donottouchtheprobetipofthemeterandtestlead(ortestclip).1.2.4Atthemanualrange,whenthevaluescaletobemeasuredisunknownbeforehand,selectthehighestrange.1.2.5Donotmeasurevoltageifthevoltageontheterminalsexceeds600Vaboveearthground.1.2.6Alwaysbecarefulwhenworkingvoltagesabove60VDCor30VACrms,keepfingersbehindtheprobebarrierwhilemeasuring.1.2.7Neverconnectthemeterleadsacrossavoltagesourcewhilethetransformswitchisintheresistance,diodeorcontinuitymode.Doingsocandamagethemeter.1.2.8Neverperformresistance,diodeandcontinuitymeasurementsonlivecircuits.1.2.9ACVdetectingiswithoutcontact,theprobeshouldberevolvedinthemetercompletelywhenuse,anddonotcontacttheCOMjackwhichatthebackofthemeterwiththetestlead(ortestclip).1.2.10Beforerotatingthetransformswitchtochangethefunction,disconnectthetipofmeterandtheprobeofthetestlead(ortestclip)fromthecircuitundertest.1.2.11Neverusethemeterundertheconditionoftheexplosiveair,steamordirt.1.2.12Ifanyfaultsorabnormalitiesareobserved,themetercannotbeusedanymoreandithastobecheckedout.1.2.13Neverusethemeterunlesstherearcaseisinplaceandfastenedfully.1.2.14Pleasedonotstoreorusemeterinareasexposedtodirectsunlight,hightemperature,humidityorcondensation.1.3SYMBOLSImportantsafetyinformation,refertotheoperatingmanual.Doubleinsulation(Protectionclass(().CAT(((Overvoltage(Installation)categoryIII,PollutionDegree2perIEC1010-1referstothelevelofImpulseWithstandVoltageprotectionprovided.ConformstoeuropeanuniondirectiveEarthgroundACAlternatingcurrentDCDirectcurrentACorDC(alternatingcurrentordirectcurrent)DiodeContinuitybuzzerM.HThemaximumvalueisbeingheld.D-HThisindicatesthatthedisplaydataisbeingheld.AUTOAutorange ... Thebatteryisnotsufficientforproperoperation.1.4MAINTENANCE1.4.1Pleasedonotattempttoadjustorrepairthemeterbyremovingtherearcasewhilevoltageisbeingapplied.Atechnicianwhofullyunderstandsdangerinvolvedshouldonlycarryoutsuchactions.1.4.2Beforeopeningthebatterycoverorcaseofthemeter,alwaysdisconnectthetipofmeterandtheprobeofthetestlead(ortestclip)fromalltestedcircuits.1.4.3Toavoidthewrongreadingcausingelectricityattack,whenthemeterdisplays“”,youmustchangethebattery.1.4.4Donotuseabrasivesorsolventsonthemeter,useadampclothandmilddetergentonly.1.4.5AlwayssetthetransformswitchtotheOFFpositionwhenthemeterisnotinuse.1.4.6Ifthemeteristobestoredforalongperiodoftime,thebatteriesshouldberemovedtopreventdamagetotheunit.2.DESCRIPTION-ThismeterisaportableprofessionalmeasuringinstrumentwithhandsomeLCDeasilyreading.-Singleoperationofatransformswitchmakesmeasurementconvenient.Overloadprotectionandlowbatteryindicationareprovided,thismeterisidealforuseinthefields,workshop,school,hobbyandhomeapplications.-Non-contactdetectingisconvenienttotestthesocketortheleadwhetheriswithpowerornot.-Thismeterhasfunctionofautorangeandmanualrange.-Thismeterhasfunctionofautopoweroff.-Thismeteriswiththefunctionsofdataholdandmaximumvaluemeasureandhold.-Whenusing,itcanshowrangesengineeringunitenunciatorsmeasuringresults.2.1NAMESOFCOMPONENTS⑴Probe⑵RotatableProbeSocket⑶LEDIndicator⑷ProtectionRing⑸TransformSwitch⑹SensitivityAdjustKnob⑺FUNC.Button⑻RANGEButton⑼MAX.HButton⑽DATA-HButton⑾Panel⑿LCDDisplay⒀COMJack2.2COMPONENTSELUCIDATION-RANGEButtonThisbuttonisusedtotransformAutorangeormanualrange.-FUNC.ButtonThisbuttonisusedtotransformfunction.-DATA-HButtonThisButtonisusedtoholddata.-MAX.HButtonThisbuttonisusedtomeasureandholdthemaximumvalue.-TransformSwitchThisswitchisusedtoselectfunctionsanddesiredranges.-ProbeInputterminalsforV/Ω//andACvoltagedetector.-COMJackCommonterminalformeasurement.-LCDDisplayAtV/Ω//range,themeasuringresultcanbedisplayed.-LEDIndicatorAtTESTrange,ACVdetectingresultcanbeindicated.-RotatableProbeSocketRotatingtheprobeinoroutofthemeter.-ProtectionRingTokeepthehandfromtheprobebehindthering.-SensitivityAdjustKnobToadjustthesensitivitywhileACVdetecting.3.SPECIFICATIONSAccuracyisspecifiedforaperiodofyearaftercalibrationandat18℃to28℃(64℉to82℉)withrelativehumidityto75%.3.1GENERALSPECIFICATIONS3.1.1Autorangesandmanualrange.3.1.2Max.VoltageBetweenTerminalsAndEarthGround:600VDCorAC3.1.3OperatingAltitude:2000meters(7000ft.)maximum3.1.4Display:20mmLCD3.1.5Max.ShowValue:1999(31/2)3.1.6PolarityIndication:‘-’indicatesnegativepolarity.3.1.7OverrangeIndication:Display‘OL’3.1.8SamplingTime:approx.0.4second3.1.9Unitshowing:showingoffunctionandelectricalcapacity.3.1.10LowBatteryIndication:‘’displayed3.1.11Autopowerofftime:15min.3.1.12PowerSupply:1.5V×2AAAbattery.3.1.13OperatingTemperature:0℃to40℃(32(Fto104(F)3.1.14StorageTemperature:-10℃to50℃(10(Fto122(F)3.1.15Dimension:208×38×29mm3.1.16Weight:approx.110g(includingbattery)3.2ELECTRICALSPECIFICATIONSCircumstanceTemperature:23(5℃RelativeHumidity:<75%3.2.1DCVoltageRangeResolutionAccuracy200mV0.1mV2V0.001V20V0.01V±(0.7%ofrdg+2digits)200V0.1V600V1V-InputImpedance:10MΩ-OverloadProtection:200mVrange:250VDCorACrms,2V-600Vranges:DC600VorAC600Vrms.-Max.InputVoltage:600VDC3.2.2ACVoltageRangeResolutionAccuracy200mV0.1mV2V0.001V±(0.8%ofrdg+3digits)20V0.01V200V0.1V600V1V±(1.0%ofrdg+3digits)-InputImpedance:10MΩ-OverloadProtection:200mVrange:250VDCorACrms,2V-600Vranges:DC600VorAC600Vrms.-FrequencyRange:40to400Hz-Response:Average,calibratedinrmsofsinewave.-Max.InputVoltage:600VrmsAC3.2.3ResistanceRangeResolutionAccuracy200Ω0.1Ω±(1.0%ofrdg+3digits)2kΩ0.001kΩ20kΩ0.01kΩ±(1.0%ofrdg+1digit)200kΩ0.1kΩ2MΩ0.001MΩ20MΩ0.01MΩ±(1.0%ofrdg+5digits)-OpenCircuitVoltage:0.25V-OverloadProtection:250VDCorrmsAC3.2.4ContinuityRangeFunctionBuilt-inbuzzerwillsound,ifresistanceislowerthan50(.-Opencircuitvoltage:approx.0.5V-OverloadProtection:250VDCorrmsAC3.2.5DiodeRangeResolutionFunction0.001VDisplay:readapproximateforwardvoltageofdiode-ForwardDCCurrent:approx.1mA-ReversedDCVoltage:approx.1.5V-OverloadProtection:250VDCorrmsAC3.2.6ACVoltageDetectRangeTESTSensitivityVoltagesensitivity>50V,adjustcontinuouslyFrequency50HzDistance<150mm(changealongwiththesensitivity)-Non-contactdetecting4.OPERATINGINSTRUCTION4.1DATAHOLDIfyouneeddataholdwhenmeasuring,youcanputon“DATA-H”button,itwillholdthereading;ifyouputthebuttonagain,dataholdisnotcontinue.4.2MAXIMUMVALUEMEASURINGANDHOLDAttherangeofvoltage,youcanputon“MAX.H”button,itwillholdthemaximumvalue;ifyouputthebuttonagain,themaximumvaluewillnotbeheld.4.3FUNCTIONTRANSFORMPutdownthe"FUNC."whenmeasuringthevoltage.MeterwillbetransformedbetweenDCandACrange.Put"FUNC."whenmeasuringtheresistance,diodeandcontinuity,meterwilltransformamongthem.4.4RANGETRANSFORMTheautorangeisusedwhenmeasuringthevoltageandresistance.Putdownthe"RANGE"ifthemanualrangeisneeded.Eachtimeyouputdown,rangewillgoupward;theminimumrangeistransformedif"RANGE"isputdownatthemaximumrange.Ifthe"RANGE"isputdownmorethantwoseconds,autorangeisusedagain.4.5AUTOPOWEROFFIfthere’snoanyoperationwithinfifteenminutesafterpowerison,meterwillautopoweroffwithfiveshortsoundsandalongsoundinaminute.Afterautopoweroff,ifstirthetransformswitchorputdownanybuttonof“FUNC.”,“DATA-H”,”MAX.H”,”RANGE”,meterwillrecovertheworkingcondition.Ifpressesthe“FUNC.”whenpowerison,autopoweroffdisable.NOTE:AttheTESTrange(ACVdetecting),thereisnoautopowerofffunction4.6PREPARATIONFORMEASUREMENT4.6.1Setthetransformswitchtotherightrange.Atthemanualrange,whenthevaluescaletobemeasuredisunknownbeforehand,selectthehighestrange.4.6.2Whenmeasuring,atfirst,connecttothepublic(COM)testingline,thenconnecttheprobetipofthemetertothecircuitundertest.4.6.3Ifthebatteryvoltageislessthan2.4V,displaywillshow“”,thebatteryshouldbechangedatthistime.4.7DCVOLTAGEMEASURINGWARNINGRiskofElectrocution.Youcan’tinputthevoltagewhichishigherthan600VDC,it’spossibletoshowhighervoltage,butitmaydamagetheinnercircuitorcauseelectricalshock.Payattentiontoavoidgettinganelectricshockwhenmeasuringhighvoltage.4.7.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter.4.7.2InserttheblacktestleadortestclipintheCOMjack.4.7.3SetthetransformswitchattheVrangeposition.4.7.4Pressthe"FUNC."ButtontotransformtoDCmeasurement.Autorangeandmanualrangecanbetransformedbypressingthe“RANGE”button.4.7.5Connecttheprobetipofthemeterandprobetipofthetestlead(ortestclip)acrossthepowersourceorbeloadedonthetwosidesundermeasurement.4.7.6YoucangetareadingfromLCDdisplay.Thepolarityofthetestedterminalwhichthetipofthemeterconnectionwillbeindicated.NOTE:-Atthelittlevoltagerange,themeterwillshowunsteadyreadingwhentestleadshaven’treachthecircuit,it’snormalbecausethemeterisverysensitivity.Whenmetertouchthecircuit,youcangetthetruereading.-Atthemanualrangemode,whenonlythefigure‘OL’isdisplayed,itindicatesoverrangesituationandthehigherrangehastobeselected.-Atthemanualrangemode,whenthevaluescaletobemeasuredisunknownbeforehand,selecttherangetothehighestpositionandsetdowngradually.4.8MEASURINGACVOLTAGE4.8.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter.4.8.2InserttheblacktestleadortestclipintheCOMjack.4.8.3SetthetransformswitchattheVrangeposition.4.8.4Autorangeandmanualrangecanbetransformedbyputtingthe“RANGE”.4.8.5Connecttheprobetipofthemetertoonesideofthetestedcircuitandprobetipofthetestlead(ortestclip)totheotherside.4.8.6YoucangetreadingfromLCDdisplay.WARNINGRiskofElectrocution.Youcan’tinputthevoltagewhichishigherthan600VrmsAC,it’spossibletoshowhighervoltage,butitmaydamagetheinnercircuitorcauseelectricalshock.Payattentiontoavoidgettinganelectricshockwhenmeasuringvoltage.NOTE:-Atthemanualrangemode,whenonlythefigure‘OL’isdisplayed,itindicatesoverrangesituationandthehigherrangehastobeselected.-Atthelittlevoltagerange,themeterwillshowunsteadyreadingwhentestleadshaven’treachthecircuit,it’snormalbecausethemeterisverysensitivity.Whentestleadstouchthecircuit,youcangetthetruereading.-Atthemanualrangemode,whenthevaluescaletobemeasuredisunknownbeforehand,selecttherangeatthehighestpositionandsetdowngradually.-TransformtothemanualrangewhenusethemVrange.4.9MEASURINGRESISTANCE4.9.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter.4.9.2InserttheblacktestleadortestclipintheCOMjack.4.9.3Setthetransformswitchatthe(rangeposition.Autorangeormanualrangecanbetransformedbyputtingthe“RANGE”.4.9.4Connecttheprobetipofthemetertoonesideofthetestedcircuitandprobetipofthetestlead(ortestclip)totheotherside.4.9.5YoucangetreadingfromLCDdisplay.WARNINGRiskofElectrocution.Whenmeasuringin-circuitresistance,besurethecircuitundertesthasallpowerremovedandthatallcapacitorshavebeendischargedfully.NOTE:-Atthemanualrangemode,whenonlythefigure‘OL’isdisplayed,itindicatesoverrangesituationandthehigherrangehastobeselected.-Formeasuringresistanceabove1MΩ,themetermaytakeafewsecondstogetstablereading.-Whentheinputisnotconnected,i.e.atopencircuit,thefigure‘OL’willbedisplayedfortheoverrangecondition. ... Thebatteryisnotsufficientforproperoperation.1.4MAINTENANCE1.4.1Pleasedonotattempttoadjustorrepairthemeterbyremovingtherearcasewhilevoltageisbeingapplied.Atechnicianwhofullyunderstandsdangerinvolvedshouldonlycarryoutsuchactions.1.4.2Beforeopeningthebatterycoverorcaseofthemeter,alwaysdisconnectthetipofmeterandtheprobeofthetestlead(ortestclip)fromalltestedcircuits.1.4.3Toavoidthewrongreadingcausingelectricityattack,whenthemeterdisplays“”,youmustchangethebattery.1.4.4Donotuseabrasivesorsolventsonthemeter,useadampclothandmilddetergentonly.1.4.5AlwayssetthetransformswitchtotheOFFpositionwhenthemeterisnotinuse.1.4.6Ifthemeteristobestoredforalongperiodoftime,thebatteriesshouldberemovedtopreventdamagetotheunit.2.DESCRIPTION-ThismeterisaportableprofessionalmeasuringinstrumentwithhandsomeLCDeasilyreading.-Singleoperationofatransformswitchmakesmeasurementconvenient.Overloadprotectionandlowbatteryindicationareprovided,thismeterisidealforuseinthefields,workshop,school,hobbyandhomeapplications.-Non-contactdetectingisconvenienttotestthesocketortheleadwhetheriswithpowerornot.-Thismeterhasfunctionofautorangeandmanualrange.-Thismeterhasfunctionofautopoweroff.-Thismeteriswiththefunctionsofdataholdandmaximumvaluemeasureandhold.-Whenusing,itcanshowrangesengineeringunitenunciatorsmeasuringresults.2.1NAMESOFCOMPONENTS⑴Probe⑵RotatableProbeSocket⑶LEDIndicator⑷ProtectionRing⑸TransformSwitch⑹SensitivityAdjustKnob⑺FUNC.Button⑻RANGEButton⑼MAX.HButton⑽DATA-HButton⑾Panel⑿LCDDisplay⒀COMJack2.2COMPONENTSELUCIDATION-RANGEButtonThisbuttonisusedtotransformAutorangeormanualrange.-FUNC.ButtonThisbuttonisusedtotransformfunction.-DATA-HButtonThisButtonisusedtoholddata.-MAX.HButtonThisbuttonisusedtomeasureandholdthemaximumvalue.-TransformSwitchThisswitchisusedtoselectfunctionsanddesiredranges.-ProbeInputterminalsforV/Ω//andACvoltagedetector.-COMJackCommonterminalformeasurement.-LCDDisplayAtV/Ω//range,themeasuringresultcanbedisplayed.-LEDIndicatorAtTESTrange,ACVdetectingresultcanbeindicated.-RotatableProbeSocketRotatingtheprobeinoroutofthemeter.-ProtectionRingTokeepthehandfromtheprobebehindthering.-SensitivityAdjustKnobToadjustthesensitivitywhileACVdetecting.3.SPECIFICATIONSAccuracyisspecifiedforaperiodofyearaftercalibrationandat18℃to28℃(64℉to82℉)withrelativehumidityto75%.3.1GENERALSPECIFICATIONS3.1.1Autorangesandmanualrange.3.1.2Max.VoltageBetweenTerminalsAndEarthGround:600VDCorAC3.1.3OperatingAltitude:2000meters(7000ft.)maximum3.1.4Display:20mmLCD3.1.5Max.ShowValue:1999(31/2)3.1.6PolarityIndication:‘-’indicatesnegativepolarity.3.1.7OverrangeIndication:Display‘OL’3.1.8SamplingTime:approx.0.4second3.1.9Unitshowing:showingoffunctionandelectricalcapacity.3.1.10LowBatteryIndication:‘’displayed3.1.11Autopowerofftime:15min.3.1.12PowerSupply:1.5V×2AAAbattery.3.1.13OperatingTemperature:0℃to40℃(32(Fto104(F)3.1.14StorageTemperature:-10℃to50℃(10(Fto122(F)3.1.15Dimension:208×38×29mm3.1.16Weight:approx.110g(includingbattery)3.2ELECTRICALSPECIFICATIONSCircumstanceTemperature:23(5℃RelativeHumidity:<75%3.2.1DCVoltageRangeResolutionAccuracy200mV0.1mV2V0.001V20V0.01V±(0.7%ofrdg+2digits)200V0.1V600V1V-InputImpedance:10MΩ-OverloadProtection:200mVrange:250VDCorACrms,2V-600Vranges:DC600VorAC600Vrms.-Max.InputVoltage:600VDC3.2.2ACVoltageRangeResolutionAccuracy200mV0.1mV2V0.001V±(0.8%ofrdg+3digits)20V0.01V200V0.1V600V1V±(1.0%ofrdg+3digits)-InputImpedance:10MΩ-OverloadProtection:200mVrange:250VDCorACrms,2V-600Vranges:DC600VorAC600Vrms.-FrequencyRange:40to400Hz-Response:Average,calibratedinrmsofsinewave.-Max.InputVoltage:600VrmsAC3.2.3ResistanceRangeResolutionAccuracy200Ω0.1Ω±(1.0%ofrdg+3digits)2kΩ0.001kΩ20kΩ0.01kΩ±(1.0%ofrdg+1digit)200kΩ0.1kΩ2MΩ0.001MΩ20MΩ0.01MΩ±(1.0%ofrdg+5digits)-OpenCircuitVoltage:0.25V-OverloadProtection:250VDCorrmsAC3.2.4ContinuityRangeFunctionBuilt-inbuzzerwillsound,ifresistanceislowerthan50(.-Opencircuitvoltage:approx.0.5V-OverloadProtection:250VDCorrmsAC3.2.5DiodeRangeResolutionFunction0.001VDisplay:readapproximateforwardvoltageofdiode-ForwardDCCurrent:approx.1mA-ReversedDCVoltage:approx.1.5V-OverloadProtection:250VDCorrmsAC3.2.6ACVoltageDetectRangeTESTSensitivityVoltagesensitivity>50V,adjustcontinuouslyFrequency50HzDistance<150mm(changealongwiththesensitivity)-Non-contactdetecting4.OPERATINGINSTRUCTION4.1DATAHOLDIfyouneeddataholdwhenmeasuring,youcanputon“DATA-H”button,itwillholdthereading;ifyouputthebuttonagain,dataholdisnotcontinue.4.2MAXIMUMVALUEMEASURINGANDHOLDAttherangeofvoltage,youcanputon“MAX.H”button,itwillholdthemaximumvalue;ifyouputthebuttonagain,themaximumvaluewillnotbeheld.4.3FUNCTIONTRANSFORMPutdownthe"FUNC."whenmeasuringthevoltage.MeterwillbetransformedbetweenDCandACrange.Put"FUNC."whenmeasuringtheresistance,diodeandcontinuity,meterwilltransformamongthem.4.4RANGETRANSFORMTheautorangeisusedwhenmeasuringthevoltageandresistance.Putdownthe"RANGE"ifthemanualrangeisneeded.Eachtimeyouputdown,rangewillgoupward;theminimumrangeistransformedif"RANGE"isputdownatthemaximumrange.Ifthe"RANGE"isputdownmorethantwoseconds,autorangeisusedagain.4.5AUTOPOWEROFFIfthere’snoanyoperationwithinfifteenminutesafterpowerison,meterwillautopoweroffwithfiveshortsoundsandalongsoundinaminute.Afterautopoweroff,ifstirthetransformswitchorputdownanybuttonof“FUNC.”,“DATA-H”,”MAX.H”,”RANGE”,meterwillrecovertheworkingcondition.Ifpressesthe“FUNC.”whenpowerison,autopoweroffdisable.NOTE:AttheTESTrange(ACVdetecting),thereisnoautopowerofffunction4.6PREPARATIONFORMEASUREMENT4.6.1Setthetransformswitchtotherightrange.Atthemanualrange,whenthevaluescaletobemeasuredisunknownbeforehand,selectthehighestrange.4.6.2Whenmeasuring,atfirst,connecttothepublic(COM)testingline,thenconnecttheprobetipofthemetertothecircuitundertest.4.6.3Ifthebatteryvoltageislessthan2.4V,displaywillshow“”,thebatteryshouldbechangedatthistime.4.7DCVOLTAGEMEASURINGWARNINGRiskofElectrocution.Youcan’tinputthevoltagewhichishigherthan600VDC,it’spossibletoshowhighervoltage,butitmaydamagetheinnercircuitorcauseelectricalshock.Payattentiontoavoidgettinganelectricshockwhenmeasuringhighvoltage.4.7.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter.4.7.2InserttheblacktestleadortestclipintheCOMjack.4.7.3SetthetransformswitchattheVrangeposition.4.7.4Pressthe"FUNC."ButtontotransformtoDCmeasurement.Autorangeandmanualrangecanbetransformedbypressingthe“RANGE”button.4.7.5Connecttheprobetipofthemeterandprobetipofthetestlead(ortestclip)acrossthepowersourceorbeloadedonthetwosidesundermeasurement.4.7.6YoucangetareadingfromLCDdisplay.Thepolarityofthetestedterminalwhichthetipofthemeterconnectionwillbeindicated.NOTE:-Atthelittlevoltagerange,themeterwillshowunsteadyreadingwhentestleadshaven’treachthecircuit,it’snormalbecausethemeterisverysensitivity.Whenmetertouchthecircuit,youcangetthetruereading.-Atthemanualrangemode,whenonlythefigure‘OL’isdisplayed,itindicatesoverrangesituationandthehigherrangehastobeselected.-Atthemanualrangemode,whenthevaluescaletobemeasuredisunknownbeforehand,selecttherangetothehighestpositionandsetdowngradually.4.8MEASURINGACVOLTAGE4.8.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter.4.8.2InserttheblacktestleadortestclipintheCOMjack.4.8.3SetthetransformswitchattheVrangeposition.4.8.4Autorangeandmanualrangecanbetransformedbyputtingthe“RANGE”.4.8.5Connecttheprobetipofthemetertoonesideofthetestedcircuitandprobetipofthetestlead(ortestclip)totheotherside.4.8.6YoucangetreadingfromLCDdisplay.WARNINGRiskofElectrocution.Youcan’tinputthevoltagewhichishigherthan600VrmsAC,it’spossibletoshowhighervoltage,butitmaydamagetheinnercircuitorcauseelectricalshock.Payattentiontoavoidgettinganelectricshockwhenmeasuringvoltage.NOTE:-Atthemanualrangemode,whenonlythefigure‘OL’isdisplayed,itindicatesoverrangesituationandthehigherrangehastobeselected.-Atthelittlevoltagerange,themeterwillshowunsteadyreadingwhentestleadshaven’treachthecircuit,it’snormalbecausethemeterisverysensitivity.Whentestleadstouchthecircuit,youcangetthetruereading.-Atthemanualrangemode,whenthevaluescaletobemeasuredisunknownbeforehand,selecttherangeatthehighestpositionandsetdowngradually.-TransformtothemanualrangewhenusethemVrange.4.9MEASURINGRESISTANCE4.9.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter.4.9.2InserttheblacktestleadortestclipintheCOMjack.4.9.3Setthetransformswitchatthe(rangeposition.Autorangeormanualrangecanbetransformedbyputtingthe“RANGE”.4.9.4Connecttheprobetipofthemetertoonesideofthetestedcircuitandprobetipofthetestlead(ortestclip)totheotherside.4.9.5YoucangetreadingfromLCDdisplay.WARNINGRiskofElectrocution.Whenmeasuringin-circuitresistance,besurethecircuitundertesthasallpowerremovedandthatallcapacitorshavebeendischargedfully.NOTE:-Atthemanualrangemode,whenonlythefigure‘OL’isdisplayed,itindicatesoverrangesituationandthehigherrangehastobeselected.-Formeasuringresistanceabove1MΩ,themetermaytakeafewsecondstogetstablereading.-Whentheinputisnotconnected,i.e.atopencircuit,thefigure‘OL’willbedisplayedfortheoverrangecondition....