Flir Cm85 User manual

USERMANUAL

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FLIRMODELCM85

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1000ATRUERMSPOWERCLAMPMETER

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FLIRCM85USERMANUALDocumentIdentifier:CM85‐en‐US_AB

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TableofContents

1.DISCLAIMERS4

1.1Copyright4

1.2QualityAssurance4

1.3Documentation4

1.4DisposalofElectronicWaste4

2.SAFETY5

2.1FCCCompliance6

2.2IndustryCanadaCompliance7

3.INTRODUCTION8

3.1KeyFeatures8

4.METERDESCRIPTION9

4.1MeterParts9

4.2FunctionSwitch10

4.3FunctionButtons10

4.4DisplayIconsandIndicators11

4.4.1Out‐of‐rangeWarning12

5.OPERATION13

5.1PoweringtheMeter13

5.1.1AutoPowerOff13

5.2Auto/ManualSelectMode13

5.3Auto/ManualRangeMode13

5.4HOLDMode14

5.4.1SmartHOLD14

5.5SilentMode14

5.6VoltageandCurrentMeasurements14

5.6.1VoltageMeasurements14

5.6.2CurrentMeasurements14

5.6.3ExtendedFunctionalityModes15

5.6.3.1SelectingModes15

5.6.3.2PeakMode16

5.6.3.3In‐RushCurrentMode16

5.6.3.4DCZeroMode16

FLIRCM85USERMANUALDocumentIdentifier:CM85‐en‐US_AB

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5.6.3.5FrequencyMode17

5.6.3.6MIN/MAX/AVGMode18

5.6.3.7HarmonicDistortionMode18

5.6.3.8VFDMode(lowpassfilter)18

5.7Non‐ContactVoltageDetector18

5.8PowerMeasurements19

5.8.1SinglePhasePowerMeasurements19

5.8.2Three‐PhasePowerMeasurements20

5.8.2.1Three‐PhaseThree‐WireBalanced/Unbalanced20

5.8.2.2Three‐PhaseFour‐WireBalanced/Unbalanced21

5.8.3PhaseRotation22

5.9ResistanceMeasurements23

5.10CapacitanceMeasurements23

5.11ContinuityTest24

5.12DiodeTest24

5.13StreamingMeasurementDatausingBluetooth24

5.13.1General25

5.13.2Procedures25

6.MAINTENANCE26

6.1CleaningandStorage26

6.2BatteryReplacement26

6.2.1DisposalofElectronicWaste26

7.SPECIFICATIONS27

7.1Generalspecifications27

7.2Electricalspecifications28

8.TECHNICALSUPPORT33

9.WARRANTIES33

9.1FLIRGlobalLimitedLifetimeWarranty33

9.2FLIRTestandMeasurementLimited2YearWarranty34

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FLIRCM85USERMANUALDocumentIdentifier:CM85‐en‐US_AB

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1. Disclaimers

1.1Copyright

©2014‐2016,FLIRSystems,Inc.Allrightsreservedworldwide.Nopartsofthesoftwareincluding

sourcecodemaybereproduced,transmitted,transcribedortranslatedintoanylanguageor

computerlanguageinanyformorbyanymeans,electronic,magnetic,optical,manualor

otherwise,withoutthepriorwrittenpermissionofFLIRSystems.

Thedocumentationmustnot,inwholeorpart,becopied,photocopied,reproduced,translatedor

transmittedtoanyelectronicmediumormachinereadableformwithoutpriorconsent,inwriting,

fromFLIRSystems.

Namesandmarksappearingontheproductshereinareeitherregisteredtrademarksor

trademarksofFLIRSystemsand/oritssubsidiaries.Allothertrademarks,tradenamesorcompany

namesreferencedhereinareusedforidentificationonlyandarethepropertyoftheirrespective

owners.

1.2QualityAssurance

TheQualityManagementSystemunderwhichtheseproductsaredevelopedandmanufactured

hasbeencertifiedinaccordancewiththeISO9001standard.

FLIRSystemsiscommittedtoapolicyofcontinuousdevelopment;thereforewereservetheright

tomakechangesandimprovementsonanyoftheproductswithoutpriornotice.

1.3Documentation

Toaccessthelatestmanualsandnotifications,gototheDownloadtabat:http://support.flir.com.

Itonlytakesafewminutestoregisteronline.Inthedownloadareayouwillalsofindthelatest

releasesofmanualsforourotherproducts,aswellasmanualsforourhistoricalandobsolete

products.

1.4DisposalofElectronicWaste

Aswithmostelectronicproducts,thisequipmentmustbedisposedofinan

environmentallyfriendlyway,andinaccordancewithexistingregulationsfor

electronicwaste.

PleasecontactyourFLIRSystemsrepresentativeformoredetails.

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FLIRCM85USERMANUALDocumentIdentifier:CM85‐en‐US_AB

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2. Safety

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SafetyNotes

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Beforeoperatingthedevice,youmustread,understand,andfollowallinstructions,dangers,

warnings,cautions,andnotes.

FLIRSystemsreservestherighttodiscontinuemodels,partsoraccessories,andotheritems,orto

changespecificationsatanytimewithoutpriornotice.

Removethebatteriesifthedeviceisnotusedforanextendedperiodoftime.

WarningStatements

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Donotoperatethedeviceifyoudonothavethecorrectknowledge.Formalqualificationsand/or

nationallegislationfortheelectricalinspectionscanapply.Incorrectoperationofthedevicecan

causedamage,shock,injuryordeathtopersons.

Donotstartthemeasuringprocedurebeforeyouhavesetthefunctionswitchtothecorrect

position.Thiscancausedamagetotheinstrumentandcancauseinjurytopersons.

Donotchangetocurrentorresistancewhenyoumeasurethevoltage.Thiscancausedamageto

theinstrumentandcancauseinjurytopersons.

Donotmeasurethecurrentonacircuitwhenthevoltageincreasestomorethan1000V.Thiscan

causedamagetotheinstrumentandcancauseinjurytopersons.

Youmustdisconnectthetestleadsfromthecircuitthatyoudidatestonbeforeyouchangethe

range.Ifyoudonotdothis,damagetotheinstrumentandinjurytopersonscanoccur.

Donotreplacethebatteriesbeforeyouremovethetestleads.Thiscancausedamagetothe

instrumentandcancauseinjurytopersons.

Donotusethedeviceifthetestleadsand/orthedeviceshowsignsofdamage.Injurytopersons

canoccur.

Becarefulwhenyoudothemeasurementsifthevoltagesaremorethan25VACrmsor35VDC.

Thereisariskofshockfromthesevoltages.Injurytopersonscanoccur.

Donotdodiode,resistanceorcontinuitytestsbeforeyouhaveremovedthepowerfrom

capacitorsandotherdevicesundertestduringameasurement.Injurytopersonscanoccur.

Donotusethedeviceastheonlytooltoidentifyliveterminals.Injurytopersonscanoccuriflive

terminalsarenotidentifiedproperly.

Whendoingvoltagechecksonliveoutlets,ensurethatthetipsofthetestleadsaretouchingthe

metalcontactsthataretypicallyrecesseddeepintheoutlet;failuretodosocanleadtoinjuryto

persons.

Donottouchexpiredordamagedbatterieswithoutgloves.Injurytopersonscanoccur.

Donotshort‐circuitthebatteries.Thiscancausedamagetotheinstrumentandcancauseinjury

topersons.

Donotputthebatteriesintoafire.Injurytopersonscanoccur.

FLIRCM85USERMANUALDocumentIdentifier:CM85‐en‐US_AB

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Cautions

Donotusethedeviceforaprocedurethatitisnotmadefor.Thiscancausedamagetothe

protection.

Thissymbol,adjacenttoanothersymbolorterminal,indicatesthattheuser

mustrefertothemanualforfurtherinformation.

Thissymbol,adjacenttoaterminal,indicatesthat,undernormaluse,

hazardousvoltagesmaybepresent.

Doubleinsulation.



ULlistingisnotanindicationoraverificationoftheaccuracyofthemeter

2.1FCCCompliance

Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwo

conditions:

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1. Thisdevicemaynotcauseharmfulinterference.

2. Thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycause

undesiredoperation.

ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,

pursuanttopart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotection

againstharmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates,uses,andcan

radiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructions,

maycauseharmfulinterferencetoradiocommunications.However,thereisnoguaranteethat

interferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescauseharmful

interferencetoradioortelevisionreception,whichcanbedeterminedbyturningtheequipment

offandon,theuserisencouragedtotrytocorrecttheinterferencebyoneormoreofthe

followingmeasures:

1. Reorientorrelocatethereceivingantenna.

2. Increasetheseparationbetweentheequipmentandreceiver.

3. Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris

connected.

4. Consultthedealeroranexperiencedradio/TVtechnicianforhelp.

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FLIRCM85USERMANUALDocumentIdentifier:CM85‐en‐US_AB

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CAUTION

ExposuretoRadioFrequencyRadiation.

TocomplywithFCC/ICRFexposurecompliancerequirements,aseparationdistanceofat

least20cmmustbemaintainedbetweentheantennaofthisdeviceandallpersons.This

devicemustnotbeco‐locatedoroperatinginconjunctionwithanyotherantennaor

transmitter.



WARNING

Changesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliance

couldvoidtheuser'sauthoritytooperatetheequipment.



2.2IndustryCanadaCompliance

Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwo

conditions:

ThisdevicecomplieswithIndustryCanadalicense‐exemptRSSstandard(s).Operationissubjectto

thefollowingtwoconditions:(1)thisdevicemaynotcauseinterference,and(2)thisdevicemust

acceptanyinterference,includinginterferencethatmaycauseundesiredoperationofthedevice.

CAUTION

ExposuretoRadioFrequencyRadiation.

TocomplywithRSS102RFexposurecompliancerequirements,formobileconfigurations,a

separationdistanceofatleast20cmmustbemaintainedbetweentheantennaofthisdevice

andallpersons.Thisdevicemustnotbeco‐locatedoroperatinginconjunctionwithanyother

antennaortransmitter.



FLIRCM85USERMANUALDocumentIdentifier:CM85‐en‐US_AB

8

3. Introduction

ThankyouforselectingtheFLIRCM851000APowerClampMeter.Thisdeviceisshippedfully

testedandcalibratedand,withproperuse,willprovideyearsofreliableservice.



3.1KeyFeatures



10000‐countdigitaldisplay

Large‐scaledisplay

Analogbargraph

TrueRMSreadinginACandAC+DCmode

Bluetooth®datastreaming

Worklight

AutoAC/DC1000Acapabilityandselection

AutoAC/DC1000Vcapabilityandselection

Autoresistance/continuity/diodeselection

Powerandpowerfactormeasurement

Totalharmonicdistortionand1to25harmonics

PhaserotationIndication

100kΩresistancecapability

Non‐contactvoltagedetector

Frequencymeasurement

Capacitancecapability

Smartdatahold

Peakhold

In‐rushcurrent

DCAzerofunction

Minimum/maximumandaveragehold

VFDmode–Low‐passfilter

Autopoweroff

Jawopening45mm(1.77")forconductorsupto1.65”(42mm)

4’(1.2m)drop‐proof

Convenientbatterycover

SafetyCategoryRating:CATIV‐600V,CATIII‐1000V



FLIRCM85USERMANUALDocumentIdentifier:CM85‐en‐US_AB

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4. MeterDescription



4.1MeterParts



1. Clampjaw

2. Jawopeningtrigger

3. Functionbuttons,seesection4.3

Functionbuttons.

4. Navigationbuttons

5. Non‐contactvoltagedetectorlight

6. Functionswitch,seesection4.2

Functionswitch

7. LCDdisplay

8. Probeterminals



Figure 4.1 Front view



1. Worklight

2. Batterycompartment

Figure 4.2 Rear view

CM85

CAT IV 600V

CAT III 1000V

1000A

FLIRCM85USERMANUALDocumentIdentifier:CM85‐en‐US_AB

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4.2FunctionSwitch

Themetercanmeasurecapacitancethroughtheprobeinputs.

Themetercanmeasureresistance,continuity,ordiodepolaritythroughthe

probeinputs.ThetypeofmeasurementisselectedbytheMODEbutton.

Themetercanmeasurepowerthroughtheprobeinputsandtheclamp

jaws.

Themetercanmeasurecurrentthroughtheclampjaws.

Themetercanmeasurevoltagethroughtheprobeinputs.

Themeterisinfullpower‐savingmode.

4.3FunctionButtons

UsethebuttontoselectAutoselectorManualselectmode,seesection

5.2Auto/Manualselectmode

InManualselectmode,pressthebuttontoselecttheoperatingmode

UsethebuttontoselectAutorangeorManualrangemode,seesection

5.3Auto/Manualrangemode

InManualrangemode,pressthebuttontochangetherange(scale)

PressthebuttontotogglebetweenNormalandHoldmodes,seesection

5.4Holdmode

Holdingthebuttondownfor2secondsenables/disablesthekeylock

mode

InHoldmode,themeterwillbeepcontinuouslyandthedisplaywill

flashifthemeasuredsignalislargerthanthedisplayreading(forthe

V.A.W.function).

Pressthebuttontoenable/disablethedisplaybacklight.

Pressandholdthebuttonfor2secondstoenable/disabletheworklight.

Pressthebuttontoenable/disableMETERLiNK®(Bluetooth®)

communication,seesection5.13Streamingmeasurementdatausing

Bluetooth



FLIRCM85USERMANUALDocumentIdentifier:CM85‐en‐US_AB

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4.4 DisplayIconsandIndicators



IndicatesthatMETERLiNK®(Bluetooth)communicationisactive.



IndicatesthatthemeterisinAutoselectmode,seesection5.2

Auto/Manualselectmode..



Indicatesthatthemeterisdisplayingmaximumreadingvalues.



Indicatesthatthemeterisdisplayingminimumreadingvalues.



Indicatesthatthemeterisdisplayingtheaveragereading.



Indicatesthatthemeterisdisplayingpeakmaximumvalues.



Indicatesthatthemeterisdisplayingpeakminimumvalues.



IndicatesthatthemeterisinAutorangemode.

IndicatesthatthemeterisinPowerfactormode.



Indicatesthatthemeterdisplaysthetotalharmonicdistortion.

FLIRCM85USERMANUALDocumentIdentifier:CM85‐en‐US_AB

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IndicatesthatthemeterisinPhaserotationmode.

IndicatesthatthemeterisinHoldmode.

Indicatesthebatteryvoltagestatus.

APOIndicatesthattheautopowerofffunctionisenabled.

Indicatesthatthemeasuredvoltageisgreaterthan30VDCorACRMS.

IndicatesthatthemeterismeasuringACcurrentorvoltage.

IndicatesthatthemeterismeasuringDCcurrentorvoltage.



IndicatesthatthemeterismeasuringAC+DCcurrentorvoltage.

Indicatesthatthecontinuityfunctionisactive.

Indicatesthatthediodetestfunctionisactive.

VFDmodeicon.

Peakmodeicon.

Min/Max/Avgmodeicon.

DCZeromodeicon.

HarmonicDistortionicon.

In‐rushcurrentmodeicon.

Frequencymodeicon.

Silentmodeicon.

Lockmodeicon.

4.4.1Out‐of‐rangeWarning

Iftheinputisout‐of‐range,OLisdisplayed.



FLIRCM85USERMANUALDocumentIdentifier:CM85‐en‐US_AB

13

5. Operation

Note:Beforeoperatingthedevice,youmustread,understand,andfollowallinstructions,dangers,

warnings,cautions,andnotes.

Note:Whenthemeterisnotinuse,thefunctionswitchshouldbesettotheOFFposition.

Note:Whenconnectingtheprobeleadstothedeviceundertest,connectthenegativeleadbefore

connectingthepositivelead.Whenremovingtheprobeleads,removethepositiveleadbefore

removingthenegativelead.

5.1PoweringtheMeter

1.Setthefunctionswitchtoanypositiontoswitchonthemeter.

2.Ifthebatteryindicator showsthatthebatteryvoltageisloworifthemeterdoesnotpower

on,replacethebattery.Seesection6.2Batteryreplacement.

5.1.1AutoPowerOff

Themeterenterssleepmodeafter30minutesofinactivity.Themeterbeepsthreetimes9

secondsbeforepoweringoff.Pressanybuttonorturnthefunctionswitchtopreventthemeter

frompoweringoff.Theautopowerofftime‐outisthenreset.Todisableautopoweroff(APO)

presstheMODEbuttonwhileturningonthemeter.

5.2Auto/ManualSelectMode

InAutoselectmode,themeterattemptstoautomaticallyselecttheproperoperatingmode(e.g.,

ACorDCmeasurement)basedontheinputsignal.InManualselectmode,thedesiredoperating

modeisselectedmanually.

Autoselectmodeisthedefaultmodeofoperation.Whenanewfunctionisselectedwiththe

functionswitch,thestartingmodeisAutoselectandtheindicatorisdisplayed.

ToenterManualselectmode,presstheMODEbutton.Tomanuallyselecttheoperatingmode,

presstheMODEbuttonrepeatedly.

ToenterAutoselectmode,pressandholdtheMODEbuttonuntiltheindicatorisdisplayed.

5.3Auto/ManualRangeMode

InAutorangemode,themeterautomaticallyselectsthemostappropriatemeasurementscale.In

Manualrangemode,thedesiredrange(scale)issetmanually.

Autorangemodeisthedefaultmodeofoperation.Whenanewfunctionisselectedwiththe

functionswitch,thestartingmodeisAutorangeandthe indicatorisdisplayed.

ToenterManualrangemode,presstheRANGEbutton.Tochangetherange,presstheRANGE

buttonrepeatedlyuntilthedesiredrangeisdisplayed.

ToenterAutorangemode,pressandholdtheRANGEbuttonuntiltheindicatorisdisplayed.



FLIRCM85USERMANUALDocumentIdentifier:CM85‐en‐US_AB

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5.4HOLDMode

1. InHoldmode,thedisplayfreezesthelastreadingandcontinuestodisplaythisvalue.

2. PresstheHOLDbuttontotogglebetweenNormalandHoldmodes.InHoldmode,the 

indicatorisdisplayed.

5.4.1SmartHOLD

Themeterwillbeepcontinuouslyandthedisplaywillflashifthemeasuredsignalislargerthan

thedisplayreading(fortheV.A.W.function).

5.5SilentMode

1. InSilentmode,thealertbeeperisdisabled.Silentmodedoesnotaffectthecontinuity

beeper.

2. UsethenavigationbuttonstoselecttheSilentmodeicon,seesection5.6.3.1.

5.6VoltageandCurrentMeasurements

Note:Ifthemeasuredvoltageisgreaterthan30VDCorACRMS,theindicatorisdisplayed.

5.6.1VoltageMeasurements

1. SetthefunctionswitchtotheVposition.

2. TomanuallyselectAC,DC,orAC+DCmeasurement,presstheMODEbuttonrepeatedly.

Refertosection5.2Auto/Manualselectmode.

3. Tomanuallyselectthemeasurementrange(scale),presstheRANGEbuttonrepeatedly.

Refertosection5.3Auto/Manualrangemode.

4. InserttheblackprobeleadintothenegativeCOMterminalandtheredprobeleadinto

thepositiveVterminal.

5. Connecttheprobeleadsinparalleltothepartundertest.

6. Readthevoltagevalueonthedisplay.

5.6.2CurrentMeasurements

WARNINGDonotmeasurethecurrentonacircuitwhenthevoltageincreasestomore

than1000V.Thiscancausedamagetotheinstrumentandcancauseinjurytopersons.



Whenmeasuringcurrentusingtheclampjaws,onlyoneconductorshouldbeenclosedbythe

jaws—refertoFigure5.1.

FLIRCM85USERMANUALDocumentIdentifier:CM85‐en‐US_AB

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

Figure5.1Correctandincorrectsetup



1. Ensurethattheprobeleadsaredisconnectedfromthemeter.

2. SetthefunctionswitchtotheAposition.

3. TomanuallyselectAC,DC,orAC+DCmeasurement,presstheMODEbuttonrepeatedly.

Refertosection5.2Auto/Manualselectmode.

4. Tomanuallyselectthemeasurementrange(scale),presstheRANGEbuttonrepeatedly.

Refertosection5.3Auto/Manualrangemode.

5. Pressthetriggertoopentheclampjaws.Fullyencloseoneconductor—refertoFigure5.1.

Foroptimumresults,centertheconductorinthejaws.

6. Readthecurrentvalueonthedisplay.

5.6.3ExtendedFunctionalityModes

Inadditiontothebasicvoltageandcurrentmeasurements,themetercanbesettodifferent

modesforextendedfunctionality.

5.6.3.1SelectingModes

Themodeiconsapplicablefortheselectedmeasurementtypearedisplayedinthelower

partofthedisplay.Whenamodeisenabled,theiconisframed.



Figure5.2Modeicons(ACvoltagemeasurements):PeakmodeandSilentmodeare

enabled

Thenavigationbuttonsareusedtoselectamodeiconandtoenable/disableamode:

1. UsetheLEFTandRIGHTnavigationbuttonstonavigatetoamodeicon.Thecurrently

selectediconwillflash.

2. PresstheOKbuttontoenable/disabletheselected(flashing)mode.

FLIRCM85USERMANUALDocumentIdentifier:CM85‐en‐US_AB

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TIME

CURRENT

0A

Start Stop

Current

Detection

Threshold

Measured Inrush

Current

100ms Sample Window (60Hz)

5.6.3.2PeakMode



InPeakmode,themetercapturesanddisplaysthepositiveandnegativepeakvalues,and

updatesonlywhenahigher/lowervalueisregistered.Peakmodeisavailablewhen

measuringACcurrentorvoltageinManualselectmode.

Usethenavigationbuttonstoselect andenablePeakmode.

PresstheOKbuttontotogglebetweenthedisplayofPeakMaxandPeakMin.

1. InPeakMaxmode,the indicatorisdisplayed.

InPeakMinmode,theindicatorisdisplayed.



PressandholdtheOKbuttonfor2secondstodisablePeakmode.

5.6.3.3In‐RushCurrentMode

InInrushcurrentmode,themeterdisplaysthehighestcurrentreadinginthefirst100ms

afterthetriggerpoint(currentdetectionthreshold,seeFig.5.3below).Thecurrent

detectionthresholdis1.00Aforthe100.00Arangeand10.0Aforthe1000.0Arange.Inrush

currentmodeisavailablewhenmeasuringACcurrentinManualselectmode.

1. Connectthemetertotheunpoweredcircuitundertest

2. SetthemetertoA

3. UsethenavigationbuttonstoselectandenableInrushcurrentmode.

4. Turnonthepowertothecircuitundertest

Note:Iftheinrushcurrentundertestingismorethan100AAC,manuallysettherangeto

600Abeforeactivatingtheinrushcurrentmode,seesection5.3Auto/Manualrangemode.



Figure5.3InrushCurrent

FLIRCM85USERMANUALDocumentIdentifier:CM85‐en‐US_AB

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

5.6.3.4DCZeroMode

TheDCzerofeatureremovesoffsetvaluesandimprovestheaccuracyforDCcurrent

measurements.DCZeromodeisavailablewhenmeasuringDCorAC+DCcurrentinManual

selectmode.

1. Ensurethatthereisnoconductorintheclampjaws.

2. Usethenavigationbuttonstoselect andenableDCZeromode.

5.6.3.5FrequencyMode

InFrequencymode,themetermeasuresanddisplaysthefrequency.Frequencymodeis

availablewhenmeasuringACcurrentorvoltageinManualselectmode.

Importantnote:DonotswitchtotheFrequencymodeuntilthemeterissetupand

activelymeasuringthevoltageorcurrentsignal.

Usethenavigationbuttonstoselect andenableFrequencymode.

FLIRCM85USERMANUALDocumentIdentifier:CM85‐en‐US_AB

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5.6.3.6MIN/MAX/AVGMode

InMin/Max/Avgmode,themetercapturesanddisplaystheminimumormaximumvalues

andupdatesonlywhenahigher/lowervalueisregistered.Themetercanalsodisplaythe

averageofallvaluesrecordedfromthebeginningofMin/Max/Avgmode.

1. Usethenavigationbuttonstoselect andenableMin/Max/Avgmode.

2. PresstheOKbuttonrepeatedlytocyclethroughtheminimum,maximum,andaverage

readingdisplays.Thecorrespondingiconsaredisplayed:,,or.

3. PressandholdtheOKbuttonfor2secondstodisableMin/Max/Avgmode.

5.6.3.7HarmonicDistortionMode



InHarmonicDistortionmode,themeterdisplaysthedistortionpercentagevalueforthe

first25harmonicsaswellasthetotalharmonicdistortion.HarmonicDistortionmodeis

availablewhenmeasuringACcurrentorvoltageinManualselectmode.

TheharmonicdistortionisexpressedasHn=(RMSofanindividualharmonicn)/(RMSofthe

fundamentals)×100%.

1. Usethenavigationbuttonstoselect andenableHarmonicDistortionmode.

2. WhileinHarmonicDistortionmode,usetheLEFTandRIGHTnavigationbuttonsto

navigatethroughtheindividualandtotalharmonicdata.H01,H02,…,Hnisdisplayed.

3. Whenthetotalharmonicdistortionisdisplayed,the indicatorappearsintheupper

partofthedisplayand'thd'isshowninthemaindisplay.

4. PresstheOKbuttontoswitchthedisplaybetweenHarmonicOrderIndicationmodeand

Percentagemode.

5. PressandholdtheOKbuttonfor2secondstodisableHarmonicDistortionmode.

5.6.3.8VFDMode(lowpassfilter)

The VFD mode eliminates high frequency noise in voltage measurements by means of a low-

pass filter. The VFD mode is designed for variable frequency drive (VFD) measurements. This

mode is available for measurements of AC current or voltage.

1. Use the navigation buttons to select and activate the VFD mode

5.7Non‐ContactVoltageDetector

Note:Testonaknownlivecircuitbeforetestingonanunfamiliarcircuit.

1. Holdtheclamptipsofthemeterveryclosetothevoltagesource.

2. Ifvoltageispresent,thenon‐contactvoltagealertlamp(seesection4.1Meterparts)

illuminatesaredcolor.

CAUTION

Ifthenon‐contactvoltagealertlampisnotilluminated,voltagecouldstillbepresent.

FLIRCM85USERMANUALDocumentIdentifier:CM85‐en‐US_AB

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5.8PowerMeasurements

5.8.1SinglePhasePowerMeasurements

1. SetthefunctionswitchtotheWposition.

2. InserttheblackprobeleadintothenegativeCOMterminalandtheredprobeleadinto

thepositiveWterminal.

3. Pressthetriggertoopentheclampjaws.Fullyencloseoneconductor—refertoFigure5.1.

Foroptimumresults,centertheconductorinthejaws.

Note:The+symbolonthejawshouldbedirectedtowardthepowersource



4. Connecttheprobeleadsinparalleltothepartundertest.

5. Readtheactivepowervalueonthedisplay.

Ifthevalueisdisplayedwithoutasign,thepowerisflowingfromthepowersourceto

theload.

Ifthevalueisdisplayedwithaminussign(–),thepowerisflowingfromthepowerload

tothesource.

6. Tomeasureanddisplaythepowerfactor,presstheMODEbuttonrepeatedlyuntilthe 

indicatorisdisplayed.

7. Readthepowerfactorvalueonthedisplay.

Ifthevalueisdisplayedwithoutasign,thephaseofthecurrentsignalislaggingbehind

thevoltagesignal(inductiveload).

Ifthevalueisdisplayedwithaminussign(–),thephaseofthecurrentsignalisleading

thevoltagesignal(capacitiveload).

8. Toreturntoactivepowermeasurements,presstheMODEbuttonrepeatedlyuntilneither

thenorthe indicatorisdisplayed.



Ifanoverloadoccurs,thefollowingisdisplayed:

OL.V:Voltageoverloadorbothvoltageandcurrentoverload.

OL.A:Currentoverload.

OL.kW:Activepoweroverload.

FLIRCM85USERMANUALDocumentIdentifier:CM85‐en‐US_AB

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5.8.2Three‐PhasePowerMeasurements

5.8.2.1Three‐PhaseThree‐WireBalanced/Unbalanced

Thepowerofathree‐phasethree‐wiredeltaconfigurationismeasuredintwosteps,in

accordancewithFigure5.4.Thetotalpoweristhesumofthetwomeasurements:W=W1

+W2.



Figure5.4Three‐phasethree‐wiremeasurements

1. SetthefunctionswitchtotheWposition.

2. Ensurethatthemeterissettoactivepowermeasurement.Ifthe orthe 

indicatorisdisplayed,presstheMODEbuttonrepeatedlyuntilnoneofthese

indicatorsaredisplayed.

3. Taketwomeasurementsoftheactivepower,inaccordancewithFigure5.4.

4. Tomeasureanddisplaythepowerfactor,presstheMODEbuttonrepeatedlyuntilthe

indicatorisdisplayed.

5. Readthepowerfactorvalueonthedisplay.

Ifthevalueisdisplayedwithoutasign,thephaseofthecurrentsignalislagging

behindthevoltagesignal(inductiveload).

Ifthevalueisdisplayedwithaminussign(–),thephaseofthecurrentsignalis

leadingthevoltagesignal(capacitiveload).

6. Toreturntoactivepowermeasurements,presstheMODEbuttonrepeatedlyuntil

neitherthenorthe indicatorisdisplayed.

FLIR CM85 User manual

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