user manual ms access

Ngày tải lên: 29/08/2012, 16:01

... bằng công cụ Creat table in design view của MS Access. 5 Thực tập cơ sở Sinh viên Nguyễn Thành Bắc BÁO CÁO THỰC TẬP CƠ SỞ Đề tài: Tìm hiểu công cụ MS Access và xây dựng chương trình Quản lí Sinh ... phí thời gian, nhân lực và tiền bạc. Bởi vậy, tôi đã nghiên cứu, phân tích, tìm hiểu phần mềm MS Access và thiết ra ra chương trình”SchoolManager v1.0” để giúp việc quản lí học tập của sinh ... lần 2 Thực tập cơ sở Sinh viên Nguyễn Thành Bắc Như vậy chúng ta đã có một chương trình tạo bơi access để quản lí tình hình học tập SV, nhìn cũng rất chuyên nghiệp và tiện lợi phải không các...

Ngày tải lên: 13/11/2012, 16:59

Ngày tải lên: 21/11/2012, 16:16

... Thebatteryisnotsufficientforproperoperation. 1.4MAINTENANCE 1.4.1Pleasedonotattempttoadjustorrepairthemeterbyremovingtherearcasewhilevoltageisbeing WARNING BEEXTREMELYCAREFULINTHEUSEOFTHISMETER.Improperuseofthisdevice canresultinelectricshockordestroyofthemeter.Followallsafeguardssuggestedinthis manualandthenormalsafetyprecautionsusedinworkingwithelectricalcircuits. Donotservicethisdeviceifyouarenotqualifiedtodoso. To ensuresafeoperation,andinordertoexploittothefullthefunctionalityofthemeter, pleasefollowthedirectionsinthissectioncarefully. ThismeterhasbeendesignedaccordingtoIEC-1010concerningelectronicmeasuringinstrumentswith 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 MS8 211 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 4.12.1Rotatetheprobesocketanti-clockwisetospintheprobeintothemeter. 4.12.2Setthetransformswitchatthe Vrangeposition. 4.12.3Besurethatthedisplayisnot shown“ ”,otherwise,the batteryshouldbereplaced. 4.12.4Setthetransformswitchto theTESTrange.ThenthegreenLEDoftheLEDIndicatorisbright. 4.12.5Rotatethesensitivityadjustingknobinthemiddleofthetransformswitchanti-clockwise,setthe meter tothehighestdetectingsensitivityinordertoenlargethedetectingrange. 4.12.6Puttheprobesocketclosetotheleadorthepowersocket,IfACelectricalvoltageispresent,the redLEDIndicatorwhichinfrontofthemeterwillflashandtheaudiblewarningwillsound. 4.12.7Intheplaceswithmanyleadsandjacks,rotatethesensitivityadjustingknobinthemiddleofthe transformswitchclockwise,setthemetertothelowerdetectingsensitivityinordertoconfirmwhichone iselectriferous. NOTE: -WhenusingACVdetectingfunction,alwayssetthemetertothehighestsensitivity. -Inthisrange,eventhoughthereisnoanysoundandlightindication,themeterwillstillconsume electricity. -Thereisnoautopowerofffunctioninthisrange. -AlwayssetthepowerswitchtotheOFFpositionwhenthemeterisnotinuse. 5.MAINTENANCE 5.1BATTERYREPLACEMENT WARNING Beforeattemptingtoopenthebatterycoverofthemeter,besurethattheprobetipofthe meterandtestlead(ortestclip)havebeendisconnectedfrommeasurementcircuitto avoidelectricshockhazard. 5.1.1Ifthesign‘ ’ appearsontheLCDdisplay,itindicatesthatthebatteryshouldbereplaced. 5.1.2Loosenthescrewfixingthebatterycoverandremoveit. 5.1.3Replacetheexhaustedbatterywithanewone. 5.1.4Putthebatterycoverasitsorigin. 5.2TESTLEADS(ORTESTCLIP)REPLACEMENT WARNING Fullincompliancewithsafetystandardscanbeguaranteedonlyifusedwithtestleads supplied.Ifnecessary,theymustbereplacedwiththesamemodelorsameelectric ratings.Electricratingsofthetestleads:600V10A. Youmustbereplacedthetestleadiftheleadisexposed. 6.ACCESSORIES ⑴ Test Lead:ElectricRatings600V10Aonepiece (ortestclip)totheother side. 4.8.6Youcangetreadingfrom LCDdisplay. WARNING RiskofElectrocution. Youcan’tinputthevoltagewhichishigherthan600VrmsAC,it’spossibletoshowhigher voltage,butitmaydamagetheinnercircuitorcauseelectricalshock. Payattentiontoavoidgettinganelectricshockwhenmeasuringvoltage. NOTE: -Atthemanualrangemode,whenonlythefigure‘OL ’ isdisplayed,itindicatesoverrangesituationand thehigherrangehastobeselected. -Atthelittlevoltagerange,themeterwillshowunsteadyreadingwhentestleadshaven’treachthecircuit, it’snormalbecausethemeterisverysensitivity.Whentestleadstouchthecircuit,youcangetthetrue reading. -Atthemanualrangemode,whenthevaluescaletobemeasuredisunknownbeforehand,selectthe rangeatthehighestpositionandsetdowngradually. -TransformtothemanualrangewhenusethemVrange. 4.9MEASURINGRESISTANCE 4.9.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.9.2InserttheblacktestleadortestclipintheCOMjack. 4.9.3Setthetransformswitchatthe(rangeposition. Autorangeormanualrangecanbe transformedbyputtingthe“RANGE”. 4.9.4Connecttheprobetipofthe metertoonesideofthetested circuitandprobetipofthetest lead(ortestclip)totheotherside. 4.9.5YoucangetreadingfromLCDdisplay. WARNING RiskofElectrocution. Whenmeasuringin-circuitresistance,besurethecircuitundertesthasallpower removedandthatallcapacitorshavebeendischargedfully. NOTE: -Atthemanualrangemode,whenonlythefigure‘OL ’ isdisplayed,itindicatesoverrangesituationand thehigherrangehastobeselected. -Formeasuringresistanceabove1MΩ,themetermaytakeafewsecondstogetstablereading. -Whentheinputisnotconnected,i.e.atopencircuit,thefigure‘OL ’ willbedisplayedfortheoverrange condition. 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. measuredisunknownbeforehand,selectthehighestrange. 4.6.2Whenmeasuring,atfirst,connecttothepublic(COM)testingline,thenconnecttheprobetipofthe metertothecircuitundertest. 4.6.3Ifthebatteryvoltageislessthan2.4V,displaywillshow“ ”,thebatteryshouldbechangedatthis time. 4.7DCVOLTAGEMEASURING WARNING RiskofElectrocution. Youcan’tinputthevoltagewhichishigherthan600VDC,it’spossibletoshowhigher voltage,butitmaydamagetheinnercircuitorcauseelectricalshock. Payattentiontoavoidgettinganelectricshockwhenmeasuringhighvoltage. 4.7.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.7.2InserttheblacktestleadortestclipintheCOMjack. 4.7.3Setthetransformswitchatthe V rangeposition. 4.7.4Pressthe"FUNC."Button totransformtoDCmeasurement. Autorangeandmanualrange canbetransformedby pressingthe“RANGE” button. 4.7.5Connecttheprobetipofthemeterandprobetipofthetestlead(ortestclip)acrossthepower sourceorbeloadedonthetwosidesundermeasurement. 4.7.6YoucangetareadingfromLCDdisplay.Thepolarityofthetestedterminalwhichthetipofthe meterconnectionwillbeindicated. NOTE: -Atthelittlevoltagerange,themeterwillshowunsteadyreadingwhentestleadshaven’treachthecircuit, it’snormalbecausethemeterisverysensitivity.Whenmetertouchthecircuit,youcangetthetrue reading. -Atthemanualrangemode,whenonlythefigure‘OL ’ isdisplayed,itindicatesoverrangesituationand thehigherrangehastobeselected. -Atthemanualrangemode,whenthevaluescaletobemeasuredisunknownbeforehand,selectthe rangetothehighestpositionandsetdowngradually. 4.8MEASURINGACVOLTAGE 4.8.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.8.2InserttheblacktestleadortestclipintheCOMjack. 4.8.3SetthetransformswitchattheVrangeposition. 4.8.4Autorangeandmanualrangecanbetransformedbyputtingthe“RANGE”. 4.8.5Connecttheprobetipofthemeter toonesideofthetestedcircuit andprobetipofthetestlead ... MS8 211 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 4.12.1Rotatetheprobesocketanti-clockwisetospintheprobeintothemeter. 4.12.2Setthetransformswitchatthe Vrangeposition. 4.12.3Besurethatthedisplayisnot shown“ ”,otherwise,the batteryshouldbereplaced. 4.12.4Setthetransformswitchto theTESTrange.ThenthegreenLEDoftheLEDIndicatorisbright. 4.12.5Rotatethesensitivityadjustingknobinthemiddleofthetransformswitchanti-clockwise,setthe meter tothehighestdetectingsensitivityinordertoenlargethedetectingrange. 4.12.6Puttheprobesocketclosetotheleadorthepowersocket,IfACelectricalvoltageispresent,the redLEDIndicatorwhichinfrontofthemeterwillflashandtheaudiblewarningwillsound. 4.12.7Intheplaceswithmanyleadsandjacks,rotatethesensitivityadjustingknobinthemiddleofthe transformswitchclockwise,setthemetertothelowerdetectingsensitivityinordertoconfirmwhichone iselectriferous. NOTE: -WhenusingACVdetectingfunction,alwayssetthemetertothehighestsensitivity. -Inthisrange,eventhoughthereisnoanysoundandlightindication,themeterwillstillconsume electricity. -Thereisnoautopowerofffunctioninthisrange. -AlwayssetthepowerswitchtotheOFFpositionwhenthemeterisnotinuse. 5.MAINTENANCE 5.1BATTERYREPLACEMENT WARNING Beforeattemptingtoopenthebatterycoverofthemeter,besurethattheprobetipofthe meterandtestlead(ortestclip)havebeendisconnectedfrommeasurementcircuitto avoidelectricshockhazard. 5.1.1Ifthesign‘ ’ appearsontheLCDdisplay,itindicatesthatthebatteryshouldbereplaced. 5.1.2Loosenthescrewfixingthebatterycoverandremoveit. 5.1.3Replacetheexhaustedbatterywithanewone. 5.1.4Putthebatterycoverasitsorigin. 5.2TESTLEADS(ORTESTCLIP)REPLACEMENT WARNING Fullincompliancewithsafetystandardscanbeguaranteedonlyifusedwithtestleads supplied.Ifnecessary,theymustbereplacedwiththesamemodelorsameelectric ratings.Electricratingsofthetestleads:600V10A. Youmustbereplacedthetestleadiftheleadisexposed. 6.ACCESSORIES ⑴ Test Lead:ElectricRatings600V10Aonepiece (ortestclip)totheother side. 4.8.6Youcangetreadingfrom LCDdisplay. WARNING RiskofElectrocution. Youcan’tinputthevoltagewhichishigherthan600VrmsAC,it’spossibletoshowhigher voltage,butitmaydamagetheinnercircuitorcauseelectricalshock. Payattentiontoavoidgettinganelectricshockwhenmeasuringvoltage. NOTE: -Atthemanualrangemode,whenonlythefigure‘OL ’ isdisplayed,itindicatesoverrangesituationand thehigherrangehastobeselected. -Atthelittlevoltagerange,themeterwillshowunsteadyreadingwhentestleadshaven’treachthecircuit, it’snormalbecausethemeterisverysensitivity.Whentestleadstouchthecircuit,youcangetthetrue reading. -Atthemanualrangemode,whenthevaluescaletobemeasuredisunknownbeforehand,selectthe rangeatthehighestpositionandsetdowngradually. -TransformtothemanualrangewhenusethemVrange. 4.9MEASURINGRESISTANCE 4.9.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.9.2InserttheblacktestleadortestclipintheCOMjack. 4.9.3Setthetransformswitchatthe(rangeposition. Autorangeormanualrangecanbe transformedbyputtingthe“RANGE”. 4.9.4Connecttheprobetipofthe metertoonesideofthetested circuitandprobetipofthetest lead(ortestclip)totheotherside. 4.9.5YoucangetreadingfromLCDdisplay. WARNING RiskofElectrocution. Whenmeasuringin-circuitresistance,besurethecircuitundertesthasallpower removedandthatallcapacitorshavebeendischargedfully. NOTE: -Atthemanualrangemode,whenonlythefigure‘OL ’ isdisplayed,itindicatesoverrangesituationand thehigherrangehastobeselected. -Formeasuringresistanceabove1MΩ,themetermaytakeafewsecondstogetstablereading. -Whentheinputisnotconnected,i.e.atopencircuit,thefigure‘OL ’ willbedisplayedfortheoverrange condition. 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. measuredisunknownbeforehand,selectthehighestrange. 4.6.2Whenmeasuring,atfirst,connecttothepublic(COM)testingline,thenconnecttheprobetipofthe metertothecircuitundertest. 4.6.3Ifthebatteryvoltageislessthan2.4V,displaywillshow“ ”,thebatteryshouldbechangedatthis time. 4.7DCVOLTAGEMEASURING WARNING RiskofElectrocution. Youcan’tinputthevoltagewhichishigherthan600VDC,it’spossibletoshowhigher voltage,butitmaydamagetheinnercircuitorcauseelectricalshock. Payattentiontoavoidgettinganelectricshockwhenmeasuringhighvoltage. 4.7.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.7.2InserttheblacktestleadortestclipintheCOMjack. 4.7.3Setthetransformswitchatthe V rangeposition. 4.7.4Pressthe"FUNC."Button totransformtoDCmeasurement. Autorangeandmanualrange canbetransformedby pressingthe“RANGE” button. 4.7.5Connecttheprobetipofthemeterandprobetipofthetestlead(ortestclip)acrossthepower sourceorbeloadedonthetwosidesundermeasurement. 4.7.6YoucangetareadingfromLCDdisplay.Thepolarityofthetestedterminalwhichthetipofthe meterconnectionwillbeindicated. NOTE: -Atthelittlevoltagerange,themeterwillshowunsteadyreadingwhentestleadshaven’treachthecircuit, it’snormalbecausethemeterisverysensitivity.Whenmetertouchthecircuit,youcangetthetrue reading. -Atthemanualrangemode,whenonlythefigure‘OL ’ isdisplayed,itindicatesoverrangesituationand thehigherrangehastobeselected. -Atthemanualrangemode,whenthevaluescaletobemeasuredisunknownbeforehand,selectthe rangetothehighestpositionandsetdowngradually. 4.8MEASURINGACVOLTAGE 4.8.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.8.2InserttheblacktestleadortestclipintheCOMjack. 4.8.3SetthetransformswitchattheVrangeposition. 4.8.4Autorangeandmanualrangecanbetransformedbyputtingthe“RANGE”. 4.8.5Connecttheprobetipofthemeter toonesideofthetestedcircuit andprobetipofthetestlead ... MS8 211 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 4.12.1Rotatetheprobesocketanti-clockwisetospintheprobeintothemeter. 4.12.2Setthetransformswitchatthe Vrangeposition. 4.12.3Besurethatthedisplayisnot shown“ ”,otherwise,the batteryshouldbereplaced. 4.12.4Setthetransformswitchto theTESTrange.ThenthegreenLEDoftheLEDIndicatorisbright. 4.12.5Rotatethesensitivityadjustingknobinthemiddleofthetransformswitchanti-clockwise,setthe meter tothehighestdetectingsensitivityinordertoenlargethedetectingrange. 4.12.6Puttheprobesocketclosetotheleadorthepowersocket,IfACelectricalvoltageispresent,the redLEDIndicatorwhichinfrontofthemeterwillflashandtheaudiblewarningwillsound. 4.12.7Intheplaceswithmanyleadsandjacks,rotatethesensitivityadjustingknobinthemiddleofthe transformswitchclockwise,setthemetertothelowerdetectingsensitivityinordertoconfirmwhichone iselectriferous. NOTE: -WhenusingACVdetectingfunction,alwayssetthemetertothehighestsensitivity. -Inthisrange,eventhoughthereisnoanysoundandlightindication,themeterwillstillconsume electricity. -Thereisnoautopowerofffunctioninthisrange. -AlwayssetthepowerswitchtotheOFFpositionwhenthemeterisnotinuse. 5.MAINTENANCE 5.1BATTERYREPLACEMENT WARNING Beforeattemptingtoopenthebatterycoverofthemeter,besurethattheprobetipofthe meterandtestlead(ortestclip)havebeendisconnectedfrommeasurementcircuitto avoidelectricshockhazard. 5.1.1Ifthesign‘ ’ appearsontheLCDdisplay,itindicatesthatthebatteryshouldbereplaced. 5.1.2Loosenthescrewfixingthebatterycoverandremoveit. 5.1.3Replacetheexhaustedbatterywithanewone. 5.1.4Putthebatterycoverasitsorigin. 5.2TESTLEADS(ORTESTCLIP)REPLACEMENT WARNING Fullincompliancewithsafetystandardscanbeguaranteedonlyifusedwithtestleads supplied.Ifnecessary,theymustbereplacedwiththesamemodelorsameelectric ratings.Electricratingsofthetestleads:600V10A. Youmustbereplacedthetestleadiftheleadisexposed. 6.ACCESSORIES ⑴ Test Lead:ElectricRatings600V10Aonepiece (ortestclip)totheother side. 4.8.6Youcangetreadingfrom LCDdisplay. WARNING RiskofElectrocution. Youcan’tinputthevoltagewhichishigherthan600VrmsAC,it’spossibletoshowhigher voltage,butitmaydamagetheinnercircuitorcauseelectricalshock. Payattentiontoavoidgettinganelectricshockwhenmeasuringvoltage. NOTE: -Atthemanualrangemode,whenonlythefigure‘OL ’ isdisplayed,itindicatesoverrangesituationand thehigherrangehastobeselected. -Atthelittlevoltagerange,themeterwillshowunsteadyreadingwhentestleadshaven’treachthecircuit, it’snormalbecausethemeterisverysensitivity.Whentestleadstouchthecircuit,youcangetthetrue reading. -Atthemanualrangemode,whenthevaluescaletobemeasuredisunknownbeforehand,selectthe rangeatthehighestpositionandsetdowngradually. -TransformtothemanualrangewhenusethemVrange. 4.9MEASURINGRESISTANCE 4.9.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.9.2InserttheblacktestleadortestclipintheCOMjack. 4.9.3Setthetransformswitchatthe(rangeposition. Autorangeormanualrangecanbe transformedbyputtingthe“RANGE”. 4.9.4Connecttheprobetipofthe metertoonesideofthetested circuitandprobetipofthetest lead(ortestclip)totheotherside. 4.9.5YoucangetreadingfromLCDdisplay. WARNING RiskofElectrocution. Whenmeasuringin-circuitresistance,besurethecircuitundertesthasallpower removedandthatallcapacitorshavebeendischargedfully. NOTE: -Atthemanualrangemode,whenonlythefigure‘OL ’ isdisplayed,itindicatesoverrangesituationand thehigherrangehastobeselected. -Formeasuringresistanceabove1MΩ,themetermaytakeafewsecondstogetstablereading. -Whentheinputisnotconnected,i.e.atopencircuit,thefigure‘OL ’ willbedisplayedfortheoverrange condition. 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. measuredisunknownbeforehand,selectthehighestrange. 4.6.2Whenmeasuring,atfirst,connecttothepublic(COM)testingline,thenconnecttheprobetipofthe metertothecircuitundertest. 4.6.3Ifthebatteryvoltageislessthan2.4V,displaywillshow“ ”,thebatteryshouldbechangedatthis time. 4.7DCVOLTAGEMEASURING WARNING RiskofElectrocution. Youcan’tinputthevoltagewhichishigherthan600VDC,it’spossibletoshowhigher voltage,butitmaydamagetheinnercircuitorcauseelectricalshock. Payattentiontoavoidgettinganelectricshockwhenmeasuringhighvoltage. 4.7.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.7.2InserttheblacktestleadortestclipintheCOMjack. 4.7.3Setthetransformswitchatthe V rangeposition. 4.7.4Pressthe"FUNC."Button totransformtoDCmeasurement. Autorangeandmanualrange canbetransformedby pressingthe“RANGE” button. 4.7.5Connecttheprobetipofthemeterandprobetipofthetestlead(ortestclip)acrossthepower sourceorbeloadedonthetwosidesundermeasurement. 4.7.6YoucangetareadingfromLCDdisplay.Thepolarityofthetestedterminalwhichthetipofthe meterconnectionwillbeindicated. NOTE: -Atthelittlevoltagerange,themeterwillshowunsteadyreadingwhentestleadshaven’treachthecircuit, it’snormalbecausethemeterisverysensitivity.Whenmetertouchthecircuit,youcangetthetrue reading. -Atthemanualrangemode,whenonlythefigure‘OL ’ isdisplayed,itindicatesoverrangesituationand thehigherrangehastobeselected. -Atthemanualrangemode,whenthevaluescaletobemeasuredisunknownbeforehand,selectthe rangetothehighestpositionandsetdowngradually. 4.8MEASURINGACVOLTAGE 4.8.1Rotatetheprobesocketclockwisetospinouttheprobefromthemeter. 4.8.2InserttheblacktestleadortestclipintheCOMjack. 4.8.3SetthetransformswitchattheVrangeposition. 4.8.4Autorangeandmanualrangecanbetransformedbyputtingthe“RANGE”. 4.8.5Connecttheprobetipofthemeter toonesideofthetestedcircuit andprobetipofthetestlead ...

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