Ngày tải lên :
05/03/2013, 13:43
... 3.2.1DCVoltage
RangeResolutionAccuracy
200mV0.1mV
2V0.001V
20V0.01V
±(0.7%ofrdg+2digits)
200V0.1V
600 V1V
-InputImpedance:10MΩ
-OverloadProtection:200mVrange:250VDCorACrms,
2V -600 Vranges:DC600VorAC600Vrms.
-Max.InputVoltage :600 VDC
3.2.2ACVoltage
RangeResolutionAccuracy
200mV0.1mV
2V0.001V
±(0.8%ofrdg+3digits)
20V0.01V
200V0.1V
600 V1V±(1.0%ofrdg+3digits)
-InputImpedance:10MΩ
-OverloadProtection:200mVrange:250VDCorACrms,
2V -600 Vranges:DC600VorAC600Vrms.
-FrequencyRange:40to400Hz
-Response:Average,calibratedinrmsofsinewave.
-Max.InputVoltage :600 VrmsAC
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
... WARNING
BEEXTREMELYCAREFULINTHEUSEOFTHISMETER.Improperuseofthisdevice
canresultinelectricshockordestroyofthemeter.Followallsafeguardssuggestedinthis
manualandthenormalsafetyprecautionsusedinworkingwithelectricalcircuits.
Donotservicethisdeviceifyouarenotqualifiedtodoso.
To
ensuresafeoperation,andinordertoexploittothefullthefunctionalityofthemeter,
pleasefollowthedirectionsinthissectioncarefully.
ThismeterhasbeendesignedaccordingtoIEC-1010concerningelectronicmeasuringinstrumentswith
anovervoltagecategoryCAT 600 Vandpollution2.
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
... 3.2.1DCVoltage
RangeResolutionAccuracy
200mV0.1mV
2V0.001V
20V0.01V
±(0.7%ofrdg+2digits)
200V0.1V
600 V1V
-InputImpedance:10MΩ
-OverloadProtection:200mVrange:250VDCorACrms,
2V -600 Vranges:DC600VorAC600Vrms.
-Max.InputVoltage :600 VDC
3.2.2ACVoltage
RangeResolutionAccuracy
200mV0.1mV
2V0.001V
±(0.8%ofrdg+3digits)
20V0.01V
200V0.1V
600 V1V±(1.0%ofrdg+3digits)
-InputImpedance:10MΩ
-OverloadProtection:200mVrange:250VDCorACrms,
2V -600 Vranges:DC600VorAC600Vrms.
-FrequencyRange:40to400Hz
-Response:Average,calibratedinrmsofsinewave.
-Max.InputVoltage :600 VrmsAC
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
...