Professional Digital Multimeter

MT-1860

U s e r s M a n u a l

CAT ll

V Hz10A

COMmA10A

10sec MAXFUSED

MAX600mAFUSED

MAX1000V DC750V AC

mA

A

DC/A

C Hz/C/F

AUTO POWER OFF

POWER REL/RS232

MAX/MIN Hz/DUTY HOLD RANGE

TEMP

DC

V

AUTOAPO

Contents

General 2

Open-packageInspection 2

SafetyNote 2

DescriptionofSafetySymbols 3

DescriptionofInstrumentPanelandPushbuttonFunctions 4

OtherFunctions 5

Property 5

DCVoltage(DCV) 6

ACVoltage(ACV) 7

DCCurrent(DCA) 8

ACCurrent(ACA) 0

Resistance

DiodeandOn-and-OffTest 2

Capacitance(C) 3

TemperatureMeasurement 4

CommunicationConnection 5

InstrumentMaintenance 6

2GeneralMT-860endowedwiththekeytouchingfunctioninsteadofthetraditionalmechanical

knobs,isanewtypeof35/6digitalmultimeterequippedwiththeLCDdisplaydevice

withthetextheightof33mmwhichhasthemeritsofvisualdisplay,easyoperation,stable

performanceandhighreliability.ItcanbeusedtomeasureDCvoltage,ACvoltage,DC

current,ACcurrent,resistance,capacitance,frequency,temperature,diodeandmake

on-and-offtest.Meanwhile,itisavailableforunitsymboldisplay,dataretention,themea-

surementofmaximumandminimumvalue,automatic/manualrangeswitching,automatic

poweroffandalarmfunction.Thecompletemachinetakesaswitchingintegratedcircuit

whichcandirectlydriveLCDmicroprocessoranddouble-integratingA/Dandadigital

displaydriveofferinghighresolutionandhighprecision.Duetoitscompletefunctions,

highmeasurementaccuracyandconvenientoperation,themultimeteristheidealtoolin

laboratoryandfactoryaswellasforradiofansandfamily.

Open-package InspectionOpenthepackageboxandtakeoutthemeter,checkcarefullyifthefollowingaccessories

areabsentordamaged.Ifthereisanyabsenceordamage,pleasecontactthedistributor

immediately.

DigitalMultimeter PC

InstructionManual copy

TestLeads pair

TemperatureProbe(K-Thermocouple) PC

PCInterfaceCable PC

SoftwareDisk PC

Holster PC

Safety NoteInaccordancewithIEC00clause(thesafetystandardissuedbyInternationalElec-

trotechnicalCommission),MT-860isdesignedandproducedaccordingtothesafety

requirementsofpollutionlevelII.

Warning:Inordertoavoidendangeringtheoperatorssafety,priortotheoperationoftheinstru-

ment,pleasereadtheinstructionmanualcarefully,andconformtothesafetywarning

informationandoperationinstructionstrictlytousetheinstrument.

.Whenvoltageabove30V,currentabove0mA,ACpowerlinewithinductiveloador

power line during electric fluctuation is measured, please beware of electric shock.2.Priortomeasurement,checkifthemeasurementfunctionisinconformitywiththe

3LCDdisplay,andifthepushbuttonswitchisatthetriggerposition.Checkifthe

meterpeniscontactedreliably,connectedcorrectly,andgroundedwellandetc.In

ordertoavoidelectricshock.

3.Onlyifthemeterisusedwiththematchedmeterpen,canitmeettherequirement

ofsafetystandard.Whenthelineofthemeterpenisdamaged,itisnecessaryto

replace another one of the same model or the same electrical specification.4. Dont use other unconfirmed or disapproved protector tube to replace the protector

tube inside the meter. Only the protector tube of the same model or same specifica-tioncanbereplaced.Beforethereplacement,themeterpenmustleavethemeasur-

ingpointandensurethereisnoanysignalattheinputterminal.

5. Dont use other unconfirmed or disapproved battery to replace the battery inside the meter. Only the battery of the same model or same electrical specification can be replaced.Beforethereplacement,themeterpenmustleavethemeasuringpointand

ensurethereisnoanysignalattheinputterminal.

6.Whentheelectricalmeasurementismade,neverletyourbodygetintouchwiththe

grounddirectly,anddonttouchuncoveredmetalterminal,outputport,leadclamp

andetc.Whereearthpotentialmayexist.Dryclothes,rubbershoes,rubbercushion

andotherinsulatingmaterialareusuallyusedtokeepyourbodyinsulatedagainst

theground.

7. Dont store and use it in the high-temperature, high-humidity, inflammable and strong magnetic field environment.

8.Itmaydodamagetothemeterandendangertheoperatorssafetyifthevoltage

valuebeyondthepermittedultimatevoltagevalueismeasured.Theultimatevoltage

valuepermittedformeasurementismarkedontheinstrumentpanel,andnever

measurethevalueexceedingthestandard.Dontinputtheultimatevalueoutof

regulationinordertoavoidelectricshockandthedamagetothemeter.

9.Whenthemeterpenisinsertedintothecurrentsocket,dontmeasureanyvoltagefor

fearthatthemetershouldbedamagedandtheoperatorssafetybeendangered.

0.Donttrycalibratingorrepairingthemeter.Whenitisindeednecessaryforthat,only

the qualified professional personnel who have had special training or gained approval canmakeit.

.Duringmeasurement,therequirementofmeasurementfunctionmustbeinaccor-

dancewithLCDdisplay.Pleasebesuretodisconnectthelineofthemeterpenwith

the measured object first and ensure there is no any input signal. It is forbidden to switchthefunction/rangeselectionswitchduringmeasurement

2.When isshownonLCDdisplay,pleasereplacebatteryimmediatelyto

ensurethemeasurementprecision.

3.Itisnotallowedtoinsertthemeterpenintothecurrentterminaltomeasurevoltage!

44.Pleasedontchangethecircuitsofthemeterfreelyforfearthatthemeterbedam-

agedandthesafetybeendangered.

Description of Safety Symbols

Warning! BatteryUndervoltage

HighVoltage!Danger! AC/DC

Ground Inaccordancewiththeinstructions

ofEuropeanTradeUnion

DoubleInsulation Fuse

Description of Instrument Panel and Push button Functions1. Instrument model.

2. LCD display area.

3. Function button: Used to select various

measurement functions.

3-Holdbacklightswitchandreading-keeping

switch.Iftheswitchispressedover2seconds,

thebacklightturnson.Furtherpresstheswitch

over2seconds,thebacklightturnsoffor

automaticallyturnsoffafter0seconds.

Pressingtheswitchwithin2secondscouldlock

orunlockthedataretention.Presstheswitch

oncetolockandpressitagaintounlock.

3-2Hz/DUTY:Pressthekeyinthegearof

frequencycanswitchbetweenthefrequency

andtheDutyCycle.Pressthekeyinthegear

ofACVoltageorACCurrentcanswitchamong

thevoltage,current,frequencyanddutycycle.

3-3MAX/MIN:Themaximumvalueandminimumvalue.

PressthefunctionbuttonandenterMAXmode,inwhichthemaximumvalueisheld;

pressthebuttonagaintoenterMINmode,inwhichtheminimumvalueisheld.After

theMAX/MINmodeisentered,thedisplaydeviceindicatestheMAX/MINvalue.No

analogbardisplayandautopowerofffunctioninthisworkingenvironment.Press

CAT ll

V Hz10A

COMmA10A

10sec MAXFUSED

MAX600mAFUSED

MAX1000V DC750V AC

mA

A

DC/A

C Hz/C/F

AUTO POWER OFF

POWER REL/RS232

MAX/MIN Hz/DUTY HOLD RANGE

TEMP

DC

V

AUTOAPO

2

3-3-23-3 3-4

3-54

4

67

98

5downMAX/MINbuttonfor2seconds,andthenexitfromMAXorMINtest.

3-4Range:Automatic/ManualRangeSwitch.Pre-setittoautomaticrangewhenthe

devicestartsup,thenswitchittomanualrange.Inthemodeofmanualrange,press

theRANGEbuttononce,itwillskiptothepreviousshift.Whenitgoestothehighest

shift,itgoesbacktothelowestshiftwhenthebuttonispressedagain.Theprocedure

repeatsagaininthesameorder.Pressthebuttonover2seconds,itwillexitfrom

manualrangeandenterthestateofautomaticrangemeasurement.

3-5REL:RelativeValueMeasurement.Pressthiskeytoshowtherelativevalue

measurement,pressagaintocanceltherelativevaluemeasurement.Theprocedure

repeatsinthesameorder.Pressthiskeyover2seconds,itwillswitchtoRS232,

whichcanbeshowedontheLCDscreenandtheRS232datatransmissionisthus

open.Furtherpressthekeyover2seconds,theRS232icondisappearsontheLCD

screen.NowtheRS232datatransmissionterminates.Theprocedurerepeats.

4. POWER is the power switch.

5. Function Selection Button.

6. Input Port: Measure the positive input terminal of voltage, frequency, re-

sistance, capacitance, diode as well as on-and-off test, and insert red meter pen.

7. 10A current input jack: Measure the positive input terminal of 10A shift AC/DC

current, and insert red meter pen.

8. mA input port: Measure the positive input terminal of AC/DC.

9. COM input port: Measure the negative input terminal, and insert black meter

pen.

Other Functions

1. Automatic power offAfterthemeterisstoppedfor5minutes,itwillcutoffpowerautomatically(poweroff),

andthenenterthedormant(poweroff)state.Thebuilt-inbuzzerwillsendoutwarning

toneinoneminutebeforeitpowersoff.Ifyouwanttorestartpower(poweron),please

pressthepowerswitch.Ifyouwanttocancelautomaticpower-off,pleasepressREL

keyover2secondsuntiltheRS232symbolappears.MeanwhiletheAPOsymbolwill

bealsoturnedoff.

Property

1. General features-.Displaymode:LCD

-2.Maximumdisplay:5999.35/6displayautomaticpolaritydisplayandunitdisplay.

6-3.Analogbar.30times/sec,displayof6analogbars.

-4.Measurementmode:dualintegrationA/Dconversion.

-5.Samplingrate:About3time/sec.

-6.Overrange:DisplayOL

-7.Lowvoltagedisplay:about2.4v,thesymbol displayed.

1-8. Working temperature: 0~40C1-9. Storage temperature: -10~50C, relative humidity

7Range Accuracy Resolution

600mV

(0.5%+4d)

0.mV

6V mV

60V 0mV

600V 00mV

000V (1.0%+4d) V

Input impedance: 600mV range>60M, the others are 10M. Overload protection: 000VDCor750Valternativepeak.

AC Voltage (ACV).CircularlypresstheAC/DCkeyuntil

itselectstheACVoltageautomatic

measurementmode.Meanwhile,the

symbolAC,AUTO,APOwillappear

ontheLCD.Respectivelypluginthe

redandblackmeterpensintotheterminals

ofV HzTEMP andcom.Seethepicturerebelow.

2.Theinitialstateofthemeterisautomaticrange,

whichshowsAUTOsymbol.PresstheRangekeyandswitchittomanualrange

mode.IntheACmodeofautomatic/manualrange,thefrequency/dutycyclecanbe

measuredbypressingHz/DUTY.However,thefrequencyresponsenowislow,

whichissuitableforthemeasurementofhighvoltageandlowfrequencyintheenvi-

ronment of magnetic field interference such as 220V/50Hz-400Hz,380V/50Hz-400Hz.

Caution:VoltagesoverDC000VorAC750Vcannotbetested.IncaseOLisdisplayedfor

manualrangemode,itindicatedtherangehasbeenexceededanditisnecessaryto

selecthigherrangemodetocompletethismeasurement.

Range Accuracy Resolution

6V

(0.8%+10d)

mV

60V 0mV

600V 00mV

750V (1.0%+6d) V

CAT ll

V Hz10A

COMmA10A

10sec MAXFUSED

MAX600mAFUSED

MAX1000V DC750V AC

mA

A

DC/A

C Hz/C/F

AUTO POWER OFF

POWER REL/RS232

MAX/MIN Hz/DUTY HOLD RANGE

TEMP

DC

V

AUTOAPO

V~

y

X60Hz

Voltage switch

CAT ll

V Hz10A

COMmA10A

10sec MAXFUSED

MAX600mAFUSED

MAX1000V DC750V AC

mA

A

DC/A

C Hz/C/F

AUTO POWER OFF

POWER REL/RS232

MAX/MIN Hz/DUTY HOLD RANGE

TEMP

DC

V

AUTOAPO

Voltage switch

8 Input impedance: 10M. Overloadprotection:000VDCor750Valternatingpeak.

Display:Meanvalueresponse(calibratedwithsinewave).

Frequencyresponse:(40-400)Hz.

Duty Cycle Display: (0.1%-99.9%).

DC Current (DCA).PressthemA buttonorA button.

Plugtheblackmeterpenintotheterminalof

COMandtheredmeterpenintotheterminal

ofmAor0A.Seethepicturebelow.

2.CircularlypressthemA buttonor

A button.SelectautomaticDC600mA

and0Acurrenttotest.TheDC,AUTO,

APOsymbolswillappearontheLCDscreen.

3.IncaseOLisdisplayedonthedisplay,itindicatesthecurrentbeingmeasuredhas

exceedthecurrentrange,andpleaseselecthigherrangesformeasurements.

Caution:a)Atthe0Amode,currentbiggerthan0A

cannotbemeasured,andatmAmode,

thecurrentbiggerthan600mAcannotbe

measured.Otherwisethiswillleadtothe

burningofthefuseordamagetheinstrument.

b)Whenthemeterpenispluggedinthe

inputterminalofthecurrent,itisstrictly

prohibitedtohavethemeterpenconnected

inparallelonanycircuits.

Range Accuracy Resolution

60mA (1.0%+10d)

0A

600mA 00A

6A(1.2%+10d)

mA

0A 0mA

Themaximuminputcurrent:0A(notexceeding5s))

Overloadprotection:0.6A/250Vfuse;0A/250Vfuse.

CAT ll

V Hz10A

COMmA10A

10sec MAXFUSED

MAX600mAFUSED

MAX1000V DC750V AC

mA

A

DC/A

C Hz/C/F

AUTO POWER OFF

POWER REL/RS232

MAX/MIN Hz/DUTY HOLD RANGE

TEMP

DC

V

AUTOAPO

mA

CAT ll

V Hz10A

COMmA10A

10sec MAXFUSED

MAX600mAFUSED

MAX1000V DC750V AC

mA

A

DC/AC Hz/C/F

AUTO POWER OFF

POWER REL/RS232

MAX/MIN Hz/DUTY HOLD RANGE

TEMP

DC

V

AUTOAPO

Aswitch

9AC Current (ACA).PressthemA buttonorA button.Plugtheblackmeterpenintotheholeof

COMandtheredmeterpenintotheholeofmAor0A.Seethepicturebelow.

2.CircularlypressthemA buttonorA button.SelectautomaticAC600aA

and0Acurrenttotest.TheAC,AUTO,APOsymbolswillappearontheLCD

screen.

3.IncaseOLisdisplayedonthedisplay,itindicatesthecurrentbeingmeasuredhas

exceedthecurrentrange,andpleaseselecthigherrangesformeasurements.

Caution:a)Atthe0Amode,currentbiggerthan0Acannotbemeasured,andatmAmode,the

currentbiggerthan600mAcannotbemeasured.Otherwisethiswillleadtotheburn-

ingofthefuseordamagetheinstrument.

b)Whenthemeterpenispluggedintheinputterminalofthecurrent,itisstrictlyprohib-

itedtohavethemeterpenconnectedinparallelonanycircuits.

Range Accuracy Resolution

60mA(1.5%+10d)

0A

600mA 00A

6A(2.5%+15d)

mA

0A 0mA

Themaximuminputcurrent:0A(notexceeding5s))

Overloadprotection:0.6A/250Vfuse;0A/250Vfuse.

Frequencyresponse:40~400Hz.

Duty Cycle Display: (0.1%-99.9%).

Resistance.Press

button,andrespectivelyplugtheredandblackmeterpensintotheholes

ofV HzTEMP andCOM.

2.Circularlypress buttonandselectresistancemeasurement.Meanwhile,acor-

CAT ll

V Hz10A

COMmA10A

10sec MAXFUSED

MAX600mAFUSED

MAX1000V DC750V AC

mA

A

DC/A

C Hz/C/F

AUTO POWER OFF

POWER REL/RS232

MAX/MIN Hz/DUTY HOLD RANGE

TEMP

DC

V

AUTOAPO

CAT ll

V Hz10A

COMmA10A

10sec MAXFUSED

MAX600mAFUSED

MAX1000V DC750V AC

mA

A

DC/AC Hz/C/F

AUTO POWER OFF

POWER REL/RS232

MAX/MIN Hz/DUTY HOLD RANGE

TEMP

DC

V

AUTOAPO

A

mAswitch

switch

0

respondingsymbolwillappearontheLCDscreen.Inautomaticresistancemeasure-

mentmode,youcouldselectmanualmeasurementbypressingRange.

Caution:a)Whenmeasuringthecapacity,allthe

powerswithinthetestedcircuitsmust

bedisconnectedandthecapacitance

shall be sufficiently discharged. b)Whenmeasuringtheresistance,any

occurrenceofvoltagemayLeadto

inaccuratereadings,andifthe250V

protectionvoltageisexceeded,itmay

damagethemeterorthreatenthesafetyoftheuser.

c) When the range of 600 is in use, first sort-circuit the meter pens and measure the resistanceoftheleadwiresandthendeductitintheactualmeasurement.

Range Accuracy Resolution

600 (0.8%+5d) 0.1

6k

(0.8%+4d)

1

60k 10

600k 100

6M 1k

60M (1.2%+10d) 10k

Opencircuitvoltage:600mV.

Overloadprotection:250VDCorACpeakvalues.

Diode and On-and-Off Test.Press buttonandrespectivelyplugtheredandblackpensintoV Hz

TEMPand

COM.

2.Circularlypress

buttontoselectthediodeorbuzzermeasurement.InDiode

mode,LDCscreendisplaysV andvoltagesymbol,andthebuzzersymbolisalsodisplayedonthescreen.

3.Connecttheredmeterpentothepositiveofthediode,theblackmeterpentothe

negativeofthediode.

Caution:a)Incasethediodeisopencircuitorthepolaritiesareconnectedreversely,OLwill

V HzTEMP

CAT ll

10A

COMmA10A

10sec MAXFUSED

MAX600mAFUSED

MAX1000V DC750V AC

mA

A

DC/A

C Hz/C/F

AUTO POWER OFF

POWER REL/RS232

MAX/MIN Hz/DUTY HOLD RANGE

DC

V

AUTOAPO

resistanceswitch

bedisplayedonthescreen.

b)Whencheckingthediode,allthepowerswithinthetestedcircuitsmustbediscon-

nected and the capacitance shall be sufficiently discharged.c)Whenthemeasurementiscompleted,immediatelydisconnectthemeterandthe

measuredcircuit.

Range Displayvalue Measurementcondition

Diodeforwardvoltagedrop ForwardDCcurrentisabout

.0mA,andbackwardvoltage

isabout3.0V.

IfBuzzeremitsalongsoundandthe

resistanceofthetwopointsismeasured

as 30

Opencircuitvoltageisabout

.2V

Overloadprotection:250VDCorACpeakvalue.

Capacity (C).Press buttonandrespectivelyplugintheredandblackmeterpensinto

V HzTEMP

andCOM.

2.Circularlypress buttonandselecttheautomaticmeasurementrangeof

capacity.Meanwhile,thecorrespondingsymbolwillappearontheLCDscreen.No

manualmeasurementrangeandanalogbarwillbedisplayedinCapacitymode

Caution:a)Whenmeasuringthecapacity,allthepowerswithinthetestedcircuitsmustbediscon-

nected and the capacitance shall be sufficiently dischargedb)Whenmeasuringbigcapacitors,ittakesalongertime,about00uFper5seconds.

c)Whenthemeasurementiscompleted,immediatelydisconnectthemeterandthe

measuredcircuit.

V HzTEMP

CAT ll

10A

COMmA10A

10sec MAXFUSED

MAX600mAFUSED

MAX1000V DC750V AC

mA

A

DC/A

C Hz/C/F

AUTO POWER OFF

POWER REL/RS232

MAX/MIN Hz/DUTY HOLD RANGE

DC

V

AUTOAPO

diode

V HzTEMP

CAT ll

10A

COMmA10A

10sec MAXFUSED

MAX600mAFUSED

MAX1000V DC750V AC

mA

A

DC/A

C Hz/C/F

AUTO POWER OFF

POWER REL/RS232

MAX/MIN Hz/DUTY HOLD RANGE

DC

V

AUTOAPO

buzzerswitch switch

2

Range Accuracy Resolution

40nF (5.0%+30d) 0pF

400nF

(3.5%+8d)

00pF

4F nF

40F 0nF

200F (5.0%+10d) 00nF

Overloadprotection:250VDCorACpeakvalue.

Frequency (Hz)1. Press Hz/C/F button to conduct frequency measurement.

Respectively plug in the meter pen into VHz and COM .2.Havethetestingendofthemeterpenconnectedinparallelwiththesignalsources

tobemeasuredandreadtheresultsfromthedisplay.(Note:Noanalogbarwill

displayedinthismode)

3.Whentestingfrequency,pressHz/DUTYoncetoconductdutycyclemeasurement.

PressHz/DUTYoncemoretoenterthefrequencystatus.

4.Readthecurrentresultsfromthedisplay.

Caution:a)Donotinputsignalshigherthan60V,otherwiseitmaydamagetheinstrumentand

posedangerstohumansafety.

b)Afterallthemeasurementsarecompleted,itisnecessarytodisconnectthemeterpen

andthetestedcircuit.

Range Accuracy Resolution

0Hz

(0.3%+2d)

0.00Hz

00Hz 0.0Hz

000Hz Hz

0kHz 0Hz

00kHz 00Hz

MHz kHz

20MHz 0kHz

+ -4.7F25V

V HzTEMP

CAT ll

10A

COMmA10A

10sec MAXFUSED

MAX600mAFUSED

MAX1000V DC750V AC

mA

A

DC/A

C Hz/C/F

AUTO POWER OFF

POWER REL/RS232

MAX/MIN Hz/DUTY HOLD RANGE

DC

V

AUTOAPO

capacitance

CAT ll

V Hz10A

COMmA10A

10sec MAXFUSED

MAX600mAFUSED

MAX1000V DC750V AC

mA

A

DC/A

C Hz/C/F

AUTO POWER OFF

POWER REL/RS232

MAX/MIN Hz/DUTY HOLD RANGE

TEMP

DC

V

AUTOAPO

X

y

1KHz

frequency

V~

switch

switch

3

Inputsensitivity:.5Veffectivevalue.Overloadprotection:250VDCoralternatingpeak

Temperature Measurement1. Press Hz / C /F button over 2 seconds, select temperature mode for celsius mea-

surement.Meanwhile,thetemperaturesymbolwillbedisplayed.FurtherpressHz/

C /F , it will be displayed as Fahrenheit. The procedure repeats in the same order. To exit from temperature measurement, press Hz / C /F button over 2 seconds.

2.Respectivelyplugthepositiveinputendandnegativeinsertionendoftemperature

probeintotheterminalsofV HzTEMP andCOM.

3.Puttheinductionendoftemperatureprobeonthesurfaceofthetestedobject.

Seethepictureontheright.

4.Readthecurrenttestingresultsfromthedisplay.

Caution:a)Whentheinputendisopencircuit,

itindicatesnormaltemperature.

b)Donotchangethetemperature

sensoratrandom,otherwisetheaccuracy

ofmeasurementcannotbeguaranteed.

c)Donotinputvoltageintemperaturemode,

otherwisethemetermaybedamaged.

Range Accuracy Resolution

-20C~400C (1.0%+50d) 0.1C

400C~1000C (1.5%+15d) 1C

0F~1832F(1.0%+50d)

4

Instrument Maintenance Thisinstrumentisasophisticatedinstrumentandtheusershallnotmodifytheelectric

circuitatwill.

.Cautionsshouldbetakentowaterprevention,dust-preventionandfallprevention.

2.Itshallnotbestoredinsuchenvironmentsashightemperature,highhumidityand

strong electromagnetic field. 3.Pleaseusewetclothandmilddetergenttocleantheexterioroftheinstrumentanddo

notusesuchstrongsolventsasabrasivesandalcohol.

4.Incaseitisnotusedforaprolongedperiodoftime,thebatteryshallberemovedsoas

toavoidthebatteryleakagefromcorrodingtheinstrument.

5. Pay attention to the status of battery use, and when the LCD displays a flashing symbol,thebatteryshallbereplaced.

The steps are as follows:

.Loosenthescrewonthebackcoverthatsecuresthebatterydoorandexitthebattery

door.

2.Removethe3Vbatteriesandreplacethemwithtwonewones.Althougha3Vbattery

ofanystandardcanbeused,butinordertolengthentheservicelife,alkalinebatteries

shouldbeused.

3.Mountthebatterydoorandtightenthescrew;

4.Replacementoffuse:Thestepsareastheabove.Whenreplacingthefuse,please

usethefuseofthesamesizeandtype.

Precaution:

.DonotconnectDCorACpeakvoltageshigherthan000V.

2.Donnotmeasurevoltagevalueonthecurrentmode,resistancemode,diodemode

andbuzzermode.

3.Whenthebatteryhasnotbeenmountedproperlyorthebackcoverhasnotbeen

tightened,pleasedonotusethismeter.

4.Priortothereplacementofbatteryorfuse,pleaseremovethemeasuringpenfromthe

measuringpointandswitchoffthemeter.

ThisInstructionissubjectedtochangewithoutanyfurthernotice.

The content of this Instruction is considered correct, and in case readers find any errors andmissingparts,pleasecontactthemanufacturer.

TheCompanyshallnotbeheldliableforanyaccidentsandhazardsresultedfromthe

mal-operationsbytheuser.

ThefunctionelaboratedbythisInstructionshallnotbetakenasthereasonsforusing

theproductforspecialpurpose

5

2

3

5

6

8

9

(DCV) 0

(ACV)

(DCA) 2

(ACA) 3

4

5

(C) 6

(Hz) 7

8

9

20

6

MT-86035/633mmLCD,,/LCDA/D

K PC

MT-860IEC00

:,,.30V,0mA,,

, 2.LCD,

3.,

4.

7

,,5.

,,6.,,

,

7.8.

,,

9.0.

.LCD,

,/2.LCD ,3.4.

!

!!

8

1. 2. LCD3. 3-.HOLD

HOLD22102

3-2. Hz/DUTY: /,;//

3-3.MAX/MIN:/MAXMINMAX/MINMAX/MIN2MAXMIN

3-4. RANGE:/2

3-6. REL:2RS232LCDRS232RS2322RS232LCDRS232

4. POWER5. 6. V HzTEMP

7. 0A0A8. mA9. COM

1. 5

CAT ll

V Hz10A

COMmA10A

10sec MAXFUSED

MAX600mAFUSED

MAX1000V DC750V AC

mA

A

DC/A

C Hz/C/F

AUTO POWER OFF

POWER REL/RS232

MAX/MIN Hz/DUTY HOLD RANGE

TEMP

DC

V

AUTOAPO

2

3-3-23-3 3-4

3-54

4

67

98

9

RELRS232APO

-.-2.599935/6-3.30/6-4.A/D-5.3-6.OL-7. 2.4V -8.040C

20

cLCDOL

600mV

(0.5%+4d)

0.mV

6V mV

60V 0mV

600V 00mV

000V (1.0%+4d) V

600mV>60M10M000V750V

(ACV).AC/DC,LCDAC AUTOAPO V Hz

TEMP COM2.AUTO RANGEHz/DUTY/220V/50Hz-400Hz,380V/50Hz-400Hz

a)DC000VAC750VLCDOL

6V

(0.8%+10d)

mV

60V 0mV

600V 00mV

750V (1.0%+6d) V

10M 000V750V (40-400)Hz. (0.1%-99.9%)

CAT ll

V Hz10A

COMmA10A

10sec MAXFUSED

MAX600mAFUSED

MAX1000V DC750V AC

mA

A

DC/A

C Hz/C/F

AUTO POWER OFF

POWER REL/RS232

MAX/MIN Hz/DUTY HOLD RANGE

TEMP

DC

V

AUTOAPO

V~

y

X60Hz

ACV

2

(DCA). mA A COMmA

0A,2. mA A 600mA0ALCD

DCAUTOAPO3.OL

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b)

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0A

600mA 00A

6A(1.2%+10d)

mA

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mA0A2. mA A 600mA0ALCD

ACAUTOAPO3.OL

CAT ll

V Hz10A

COMmA10A

10sec MAXFUSED

MAX600mAFUSED

MAX1000V DC750V AC

mA

A

DC/AC Hz/C/F

AUTO POWER OFF

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MAX/MIN Hz/DUTY HOLD RANGE

TEMP

DC

V

AUTOAPO

CAT ll

V Hz10A

COMmA10A

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mA

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MAX/MIN Hz/DUTY HOLD RANGE

TEMP

DC

V

AUTOAPO

mA

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22

a)0A0AmA600mA

b)

60mA(1.5%+10d)

0A

600mA 00A

6A(2.5%+15d)

mA

0A 0mA

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2.

LCD RANGE

a)b)250V

CAT ll

V Hz10A

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10sec MAXFUSED

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MAX1000V DC750V AC

mA

A

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C Hz/C/F

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TEMP

DC

V

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CAT ll

V Hz10A

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DC

V

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10A

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DC

V

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C Hz/C

23

c)600

600 (0.8%+5d) 0.1

6k

(0.8%+4d)

1

60k 10

600k 100

6M 1k

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600mV250V

. V HzTEMP COM

2. LCD V

3.

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DC

V

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CAT ll

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V

AUTOAPO

24

(C). V HzTEMP COM2. LCD

a)b)00uF5c)

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400nF

(3.5%+8d)

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3.Hz/DUTYHz/

DUTY4.

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+ -4.7F25V

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MAX/MIN Hz/DUTY HOLD RANGE

DC

V

AUTOAPO

25

0Hz

(0.3%+2d)

0.00Hz

00Hz 0.0Hz

000Hz Hz

0kHz 0Hz

00kHz 00Hz

MHz kHz

20MHz 0kHz

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. Hz/C/F

Hz/C/F Hz/C/F

2.V HzTEMP COM

3.

4.

a)b)c),

-20C~400C (1.0%+50d) 0.1C

400C~1000C (1.5%+15d) 1C

0F~1832F(1.0%+50d)

26

. ,setup.exe2.USB3. RS232/RELRS2324.

.2.3.4.5.LCD a).b).3V3V

c).d).

.000V2.3.4.

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