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05/03/2013, 13:43
... 3.2.1DCVoltage
RangeResolutionAccuracy
200mV0.1mV
2V0.001V
20V0.01V
±(0.7%ofrdg+2digits)
200V0.1V
600V1V
-InputImpedance:10MΩ
-OverloadProtection:200mVrange:250VDCorACrms,
2V-600Vranges:DC600VorAC600Vrms.
-Max.InputVoltage:600VDC
3.2.2ACVoltage
RangeResolutionAccuracy
200mV0.1mV
2V0.001V
±(0.8%ofrdg+3digits)
20V0.01V
200V0.1V
600V1V±(1.0%ofrdg+3digits)
-InputImpedance:10MΩ
-OverloadProtection:200mVrange:250VDCorACrms,
2V-600Vranges:DC600VorAC600Vrms.
-FrequencyRange:40to400Hz
-Response:Average,calibratedinrmsofsinewave.
-Max.InputVoltage:600VrmsAC
3.2.3Resistance
RangeResolutionAccuracy
200Ω0.1Ω
±(1.0%ofrdg+3digits)
2kΩ0.001kΩ
20kΩ0.01kΩ±(1.0%ofrdg+1digit)
200kΩ0.1kΩ
2MΩ0.001MΩ
20MΩ0.01MΩ
±(1.0%ofrdg+5digits)
-OpenCircuitVoltage:0.25V
-OverloadProtection:250VDCorrmsAC
3.2.4Continuity
RangeFunction
Built-inbuzzerwillsound,ifresistanceislowerthan50(.
-Opencircuitvoltage:approx.0.5V
-OverloadProtection:250VDCorrmsAC
3.2.5Diode
4.10TESTINGDIODE
4 .10. 1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter.
4 .10. 2InserttheblacktestleadortestclipintheCOMjack.
4 .10. 3Setthetransformswitchatthe
rangeposition.
4 .10. 4putdownthe"FUNC."transformedat
test.
4 .10. 5Connecttheprobetipofthemetertotheanodeofthediode,
theblacktestlead(ortestclip)tothecathodeofthediode.
4 .10. 6YoucangetreadingfromLCDdisplay.
NOTE:
-Themeterwillshowthe
approximateforwardvoltage
dropofthediode.
-Ifthemeterandtheleadconnectionisreversed,onlyfigure‘OL
’
willbedisplayed.
-Whentheinputisnotconnected,i.e.atopencircuit,thefigure‘OL
’
willbedisplayed.
4.11CONTINUITYTEST
WARNING
RiskofElectrocution.
Whentestingthecircuitcontinuity,besurethatthepowerofthecircuithasbeenshut
downandallcapacitorshavebeendischargedfully.
4.11.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter.
4.11.2InserttheblacktestleadortestclipintheCOMjack.
4.11.3Setthetransformswitch
atthe
rangeposition.
4.11.4Putdownthe"FUNC."
transformedat
continuitytest.
4.11.5Connecttheprobetipof
themetertoonesideofthetestedcircuitandprobetipofthetestlead(ortestclip)totheotherside.
4.11.6Ifcontinuityexists(i.e.,resistancelessthanabout50Ω),built-inbuzzerwillsound.
NOTE:
-Iftheinputopencircuit(orthecircuitresistancemeasuredishigherthan200Ω),thenthefigure‘0L
’
will
bedisplayed.
4.12ACVOLTAGEDETECT
WARNING
RiskofElectrocution.
Whendetectingpayattentiontoavoidgettinganelectricshock.
Beforeusingtocheckforvoltageinanoutlet,alwaystestthemeteronaknownlive
circuittoverifythattheACvoltagedetectfunctionofthemeterisworkingproperly.
keepfingersbehindtheprobebarrierwhilemeasuring.
... WARNING
BEEXTREMELYCAREFULINTHEUSEOFTHISMETER.Improperuseofthisdevice
canresultinelectricshockordestroyofthemeter.Followallsafeguardssuggestedinthis
manualandthenormalsafetyprecautionsusedinworkingwithelectricalcircuits.
Donotservicethisdeviceifyouarenotqualifiedtodoso.
To
ensuresafeoperation,andinordertoexploittothefullthefunctionalityofthemeter,
pleasefollowthedirectionsinthissectioncarefully.
ThismeterhasbeendesignedaccordingtoIEC -101 0concerningelectronicmeasuringinstrumentswith
anovervoltagecategoryCATⅢ600Vandpollution2.
Followallsafetyandoperatinginstructionstoensurethatthemeterisusedsafelyandiskeptingood
operatingcondition.
Withproperuseandcare,thedigitalmeterwillgiveyouyearsofsatisfactoryservice.
1.1PRELIMINARY
1.1.1Whenusingthemeter,theusermustobserveallnormalsafetyrulesconcerning:
-Protectionagainstthedangersofelectricalcurrent.
-Protectionofthemeteragainstmisuse.
1.1.2Whenthemeterisdelivered,checkthatithasnotbeendamagedintransit.
1.1.3Whenpoorconditionunderharshpreservationorshippingconditionscaused,inspectandconfirm
thismeterwithoutdelay.
1.1.4Beforeusingtocheckforvoltage,alwaystestthemeteronaknownlivecircuittoverifythatthe
detectfunctionofthemeterisworkingproperly.
1.1.5
Test
leadortestclipmustbeingoodcondition.Beforeusingverifythattheinsulationontestleador
testclipisnotdamagedand/ortheleadswireisnotexposed.
1.1.6Fullcompliancewithsafetystandardscanbeguaranteedonlyifusedwithtestleadssupplied.
Ifnecessary,theymustbereplacedwiththesamemodelorsameelectricratings.
User& apos;sManual
SinoMeter MS8211
⑵
Test
Clip:ElectricRatings600V10Aonepiece
⑶Battery:1.5V,AAAtwopieces
⑷InstructionManualonepiece
RangeResolutionFunction
0.001VDisplay:readapproximateforwardvoltageof
diode
-ForwardDCCurrent:approx.1mA
-ReversedDCVoltage:approx.1.5V
-OverloadProtection:250VDCorrmsAC
3.2.6ACVoltageDetect
RangeTEST
Sensitivity
Voltagesensitivity>50V,adjustcontinuously
Frequency50Hz
Distance<150mm(changealongwiththesensitivity)
-Non-contactdetecting
4.OPERATINGINSTRUCTION
4.1
DATA
HOLD
Ifyouneeddataholdwhenmeasuring,youcanputon“DATA-H”button,itwillholdthereading;ifyouput
thebuttonagain,dataholdisnotcontinue.
4.2MAXIMUMVALUEMEASURINGANDHOLD
Attherangeofvoltage,youcanputon“MAX.H”button,itwillholdthemaximumvalue;ifyouputthe
buttonagain,themaximumvaluewillnotbeheld.
4.3FUNCTIONTRANSFORM
Putdownthe"FUNC."whenmeasuringthevoltage.MeterwillbetransformedbetweenDCandAC
range.Put"FUNC."whenmeasuringtheresistance,diodeandcontinuity,meterwilltransformamong
them.
4.4RANGETRANSFORM
Theautorangeisusedwhenmeasuringthevoltageandresistance.Putdownthe"RANGE"ifthe
manualrangeisneeded.Eachtimeyouputdown,rangewillgoupward;theminimumrangeis
transformedif"RANGE"isputdownatthemaximumrange.Ifthe"RANGE"isputdownmorethantwo
seconds,autorangeisusedagain.
4.5AUTOPOWEROFF
Ifthere’snoanyoperationwithinfifteenminutesafterpowerison,meterwillautopoweroffwithfiveshort
soundsandalongsoundinaminute.
Afterautopoweroff,ifstirthetransformswitchorputdownanybuttonof“FUNC.”,
“DATA-H”,”MAX.H”,”RANGE”,meterwillrecovertheworkingcondition.
Ifpressesthe“FUNC.”whenpowerison,autopoweroffdisable.
NOTE:
AttheTESTrange(ACVdetecting),thereisnoautopowerofffunction
4.6PREPARATIONFORMEASUREMENT
4.6.1Setthetransformswitchtotherightrange.Atthemanualrange,whenthevaluescaletobe
... 1.2DURINGUSE
1.2.1Beforeusing,youmustselecttherightfunctionandrange.
1.2.2Neverexceedtheprotectionlimitvaluesindicatedinspecificationsforeachrangeofmeasurement.
1.2.3Whenthemeterislinkedtoameasurementcircuit,donottouchtheprobetipofthemeterandtest
lead(ortestclip).
1.2.4Atthemanualrange,whenthevaluescaletobemeasuredisunknownbeforehand,selectthe
highestrange.
1.2.5Donotmeasurevoltageifthevoltageontheterminalsexceeds600Vaboveearthground.
1.2.6Alwaysbecarefulwhenworkingvoltagesabove60VDCor30VACrms,keepfingersbehindthe
probebarrierwhilemeasuring.
1.2.7Neverconnectthemeterleadsacrossavoltagesourcewhilethetransformswitchisinthe
resistance,diodeorcontinuitymode.Doingsocandamagethemeter.
1.2.8Neverperformresistance,diodeandcontinuitymeasurementsonlivecircuits.
1.2.9ACVdetectingiswithoutcontact,theprobeshouldberevolvedinthemetercompletelywhenuse,
anddonotcontacttheCOMjackwhichatthebackofthemeterwiththetestlead(ortestclip).
1.2.10Beforerotatingthetransformswitchtochangethefunction,disconnectthetipofmeterandthe
probe
ofthetestlead(ortestclip)fromthecircuitundertest.
1.2.11Neverusethemeterundertheconditionoftheexplosiveair,steamordirt.
1.2.12Ifanyfaultsorabnormalitiesareobserved,themetercannotbeusedanymoreandithastobe
checkedout.
1.2.13Neverusethemeterunlesstherearcaseisinplaceandfastenedfully.
1.2.14Pleasedonotstoreorusemeterinareasexposedtodirectsunlight,hightemperature,humidityor
condensation.
1.3SYMBOLS
Importantsafetyinformation,refertotheoperatingmanual.
Doubleinsulation(Protectionclass(().
CAT(((Overvoltage(Installation)categoryIII,PollutionDegree2perIEC1 010- 1referstothelevelof
ImpulseWithstandVoltageprotectionprovided.
Conformstoeuropeanuniondirective
Earthground
ACAlternatingcurrent
DCDirectcurrent
ACorDC(alternatingcurrentordirectcurrent)
Diode
Continuitybuzzer
M.HThemaximumvalueisbeingheld.
D-HThisindicatesthatthedisplaydataisbeingheld.
AUTOAutorange
...