EXTECH MA61 [3/21] Warnings
![EXTECH MA61 [3/21] Warnings](/views2/1666806/page3/bg3.png)
MA44x‐en‐GB_V1.08/16
3
WARNINGS
WARNINGSidentifyhazardousconditionsandactionsthatcouldcauseBODILYHARMorDEATH.
1. Beforeuse,checktheclampmeterandprobefordamageorabnormaloperation.Donotusethemeter
ifprobeinsulationdamage,meterdisplayproblems,abnormalmeterfunctioning,etc.isobserved.
2. Neverusethemeterwiththebatterycompartmentopenorwiththemeterhousingdisassembledinany
way;
otherwiseariskofshockwillexist.
3. Whentakingmeasurements,ensurethatyourhandandfingersareinthesafeareabehindthefinger
guard.Donottouchbarewireorconnectors,unusedinputterminals,orthecircuitundertesttoprevent
electricalshock.
4. Beforetakingmeasurements,the
functionswitchmustbesettothecorrectposition.Toprevent
damagetothemeter,thefunctionswitchmustnotbeturnedwhilemeasurementsaretakingplace.
5. Donotapplyvoltage600VACorDCorgreaterbetweentheclampmeterterminalsandground.Failure
tofollowtheseinstructionscan
causeelectricshockanddamagetothemeter.
6. Whenmeasuringsignals>42VDCor>30VACrmspleaseusecautionastheselevelscancauseelectrical
shock.
7. Donotmeasurevoltageorcurrenthigherthantheallowableinput;thefunctionswitchmustbesetto
the
maximumrangepositionfirstwhentherangeofthemeasuredsignalisunknown.Beforemeasuring
resistance,diode,andcontinuitypleaseremovepowertothecircuitundertestanddischargeall
capacitors.
8. Whenthelowbatterysymbolisdisplayed,replacedthebatteriespromptlytoensuremeasurement
precision.Removebatteriesfromthe
meterifthemeteristobestoredlongerthan60days.
9. Donotserviceormodifytheinternalcircuitsofthemeter.Qualifiedpersonnelmustservicethemeter
only.
10. Donotusethemeterinflammableorexplosiveenvironments(gasorvapors).Donotusethemeter
in
environmentsthatexceedtheoperationaltemperatureandhumidityspecifications.Donotusethe
meterinareaswhereastrongelectromagneticfieldispresent.
11. Tocleanthemeter,useonlyasoftdampcloth(neutraldetergentsonly)towipethemeterhousing.Do
notuseabrasivesorsolvents.Donot
cleanthemeterifitispoweredonorconnectedtoacircuitunder
test;alwayspowerthemeterOFFanddisconnectthetestleadsbeforecleaning.
12. Useonlythetestprobesprovided.Replacetestprobeswithonesofthesameratingorbetter.Thetest
probesareto
beusedformainsmeasurementsCATIIIorCATIVinaccordancewithIEC61010‐031and
shallhaveavoltageratingofatleastthevoltageofthecircuittobemeasured.
13. IndividualprotectiveequipmentshouldbeusedifHAZARDOUSLIVEpartsintheinstallationwhere
measurementsareto
becarriedoutcouldbeaccessible.
14. Iftheequipmentisusedinamannernotspecifiedbythemanufacturer,theprotectionprovidedbythe
equipmentmaybeimpaired.
15. Toreducetheriskoffireorelectricshock,donotexposethisproducttorainormoisture.
16. Verify
themeteroperationbymeasuringaknownvoltage.Ifindoubt,havethemeterserviced.
17. Toavoidfalsereadingsthatcanleadtoelectricshockandinjury,replacebatteryassoonasthelow
batteryindicatorappears.
18. De‐energizetheinstallationundertestorwearsuitableprotectiveclothingwhen
placingorremoving
thecurrentclampfromatestsetup.
19. Donotapply/removethecurrentclampto/fromUNINSULATEDHAZARDOUSLIVEconductorswhichmay
causeelectricshock,electricburn,orarcflash.
Содержание
- Introduction 2
- Safety 2
- Warnings 3
- Warnings identify hazardous conditions and actions that could cause bodily harm or death 3
- Cautions 4
- Safety symbols 4
- Description 5
- Display description 5
- Fig 1 meter description 5
- Meter description 5
- Control buttons 6
- Disable auto power off ma443 and ma445 7
- Operation 7
- Powering the meter 7
- Ac current measurements 8
- Fig 2 correct and incorrect aca clamping 8
- Dc current measurements ma445 9
- Fig 3 dca zero before measurement fig 4 dca measurement 9
- Ac and dc voltage measurements 10
- Fig 5 ma443 ma445 voltage test fig 6 ma440 voltage testing 10
- Fig 7 resistance and continuity measurements 11
- Resistance measurements 11
- Continuity measurements 12
- Fig 8 frequency measurements 12
- Frequency measurements 12
- Capacitance measurements 13
- Fig 9 capacitance measurements 13
- Diode test 14
- Fig 10 diode testing 14
- Fig 11 temperature measurements 15
- Temperature measurements ma443 and ma445 15
- Fig 12 non contact voltage detection 16
- Non contact voltage detector ef ncv 16
- Battery replacement 17
- Cleaning and storage 17
- Maintenance 17
- Ac current 18
- Ac voltage 18
- Dc current 18
- Dc voltage 18
- Electrical specifications 18
- Function range resolution accuracy reading ol protection 18
- Specifications 18
- Capacitance 19
- Continuity 19
- Duty cycle 19
- Frequency hz 19
- Resistance 19
- Non contact voltage detector ncv 20
- Temperature 20
- Copyright 2016 flir systems inc 21
- General specifications 21
- Www extech com 21
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