AMEC MR410 User manual

AC/DC CURRENT PROBE MR410
MR520
ENGLISH User Manual
ON
OFF
1500A
600V CAT III - 1500A
!
OUTPUT:
1500 A: 1 mV/A
AC/DC CURRENT PROBE
Model MR 520
®
INSTRUMENTS
ON
OFF
600A
600V CAT III - 600A
!
OUTPUT:
600A: 1 mV/A
AC/DC CURRENT PROBE
Model MR 410
®
INSTRUMENTS
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Statement of Compliance
Chauvin Arnoux®, Inc. d.b.a. AEMC®Instruments
certifies that this instrument has been calibrated
using standards and instruments traceable to
international standards.
We guarantee that at the time of shipping your
instrument has met its published specifications.
An NIST traceable certificate may be
requested at the time of purchase, or obtained
by returning the instrument to our repair and
calibration facility, for a nominal charge.
The recommended calibration interval for this
instrument is 12 months and begins on the date of
receipt by the customer.
Serial #: ______________________________
Catalog #: 1200.70/1200.71
Model #: MR410 / MR520
Please fill in the appropriate date as indicated:
Date Received: _________________________________
Date Calibration Due: _______________________
Chauvin Arnoux®, Inc.
d.b.a AEMC®Instruments
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Table of Contents
1. INTRODUCTION ........................................................................ 3
1.1 International Electrical Symbols.....................................................3
1.2 DenitionofMeasurementCategories...........................................4
1.3 ReceivingYourShipment...............................................................4
1.4 OrderingInformation ......................................................................4
1.4.1 AccessoriesandReplacementParts ................................4
2. PRODUCT FEATURES ............................................................... 5
2.1 Description .....................................................................................5
2.2 MR410Features ............................................................................6
2.3 MR520Features ............................................................................7
2.4 DMM/DisplayCompatibility ..........................................................8
3. SPECIFICATIONS ...................................................................... 9
3.1 MR410Specications ....................................................................9
3.1.1 Electrical............................................................................9
3.1.2 Mechanical ........................................................................9
3.2 MR520Specications ....................................................................9
3.2.1 Electrical............................................................................9
3.2.2 Mechanical ......................................................................10
3.3 CommonSpecications(MR410&MR520) ................................10
3.3.1 Electrical..........................................................................10
3.3.2 Mechanical ...................................................................... 11
3.3.3 Safety .............................................................................. 11
4. OPERATION............................................................................. 12
4.1 MakingMeasurements.................................................................12
4.1.1 DCMeasurement ............................................................12
4.1.2 ACMeasurement ............................................................13
4.1.3 IndicatorLights:GreenLED ............................................13
4.2 TipsForGettingtheBestAccuracy..............................................13
4.3 OperationExamples ....................................................................14
4.4 TypicalResponseCurves ............................................................17
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5. MAINTENANCE ....................................................................... 18
5.1 Maintenance ................................................................................18
5.1.1 BatteryReplacement.......................................................18
5.1.2 Cleaning ..........................................................................18
Limited Warranty .........................................................................................20
WarrantyRepairs.........................................................................................20
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AC/DCCurrentProbeModelsMR410andMR520 3
CHAPTER 1
INTRODUCTION
Warning
Thesesafetywarningsareprovidedtoensurethesafetyofpersonnel
andproperoperationoftheinstrument.
• Readthisinstructionmanualcompletelyandfollowallthesafetyinfor-
mationbeforeattemptingtouseorservicethisinstrument.
• Usecautiononanycircuit:Potentiallyhighvoltagesandcurrentsmay
bepresentandmayposeashockhazard.
• ReadthesafetyspecicationssectionbeforeusingtheModelMR410
or MR520. Never exceed the maximum working voltage ratings
given.
• Safetyistheresponsibilityoftheoperator!
• Neveropenthebackoftheinstrumentwhileconnectedtoanycircuit
orinput.
• ALWAYSconnecttheModelMR410orMR520tothedisplaydevice
beforeclampingtheprobeontothesampleundertest.
• Always inspect the instrument and lead prior to use. Replace any
defectivepartsimmediately.
• NEVER use the Model MR410 or MR520 on electrical conductors
ratedabove600V.
1.1 International Electrical Symbols
Thissymbolsigniesthattheinstrumentisprotectedbydoubleorrein-
forcedinsulation.Useonlyspeciedreplacementpartswhenservicing
theinstrument.
This symbol on the instrument indicates a WARNING and that the
operatormustrefertotheusermanualforinstructionsbeforeoperat-
ingtheinstrument.Inthismanual,thesymbolprecedinginstructions
indicatesthatiftheinstructionsarenotfollowed,bodilyinjury,installa-
tion/sampleandproductdamagemayresult.
Riskofelectricshock.Thevoltageatthepartsmarkedwiththissymbol
maybedangerous.
ThisisatypeAcurrentsensor.Thissymbolsigniesthatapplication
aroundandremovalfromHAZARDOUSLIVEconductorsispermitted.
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4 AC/DCCurrentProbeModelsMR410andMR520
1.2 Definition of Measurement Categories
CAT II: For measurements performed on circuits directly connected to
the electrical distribution system. Examples are measurements
onhouseholdappliancesorportabletools.
CAT III: For measurements performed in the building installation at
the distribution level such as on hardwired equipment in xed
installationandcircuitbreakers.
CAT IV: For measurements performed at the primary electrical supply
(<1000V) such as on primary overcurrent protection devices,
ripplecontrolunits,ormeters.
1.3 Receiving Your Shipment
Uponreceivingyourshipment,makesurethatthecontentsareconsistent
withthepackinglist.Notifyyourdistributorofanymissingitems.Iftheequip-
mentappearstobedamaged,leaclaimimmediatelywiththecarrierand
notifyyourdistributoratonce,givingadetaileddescriptionofanydamage.
Savethedamagedpackingcontainertosubstantiateyourclaim.
1.4 Ordering Information
AC/DCCurrentProbeModelMR410
(Lead-1mV/A-600Amax) ................................................. Cat. #1200.70
AC/DCCurrentProbeModelMR520
(Lead-1mV/A-1500Amax) ............................................... Cat. #1200.71
Both models include a 9V battery and a user manual.
1.4.1 Accessories and Replacement Parts
Bananaplugadapter(tonon-recessedplug) ...................... Cat. #1017.45
Banana(female)-BNC(male)adapter............................... Cat. #2118.46
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AC/DCCurrentProbeModelsMR410andMR520 5
CHAPTER 2
PRODUCT FEATURES
2.1 Description
The MR probes are designed to the meet the latest safety and perfor-
mancestandards.Twodi󰀨erenthook-shapedjawsareo󰀨ered,bothper-
mitting the user to “pry” into or “hook” onto cables (will accept 2 x 500
MCM)orsmallbusbars.
The MR series uses Hall e󰀨ect technology. The electronics and batter-
iesareself-containedinthehandles.TheoutputoftheAC/DCprobesis
1mV/A.
WhentakingDCmeasurements,amechanicalDCzeroallowstheuserto
adjustforanyDCo󰀨set.Thereisnooutputltering-TrueRMSwithDC
componentsispossible.
Thephaseshiftisexcellent,makingtheMRserieswellsuitedforpower
andpowerqualityapplications.
ModelMR410measures400AAC(600Apeak),600ADC.
ModelMR520measures1000AAC(1500Apeak),1500ADC.
BoththeMR410andMR520haveproportionalmVoutputfordirectread-
ingsonmultimeters,recorders,loggersandotherinstrumentsaccepting
bananaplugs.
AnoptionalbananaplugtoBNCadaptorisavailableasanaccessory.
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6 AC/DCCurrentProbeModelsMR410andMR520
2.2 MR410 Features
ON
OFF
600A
600V CAT III - 600A
!
OUTPUT:
600A: 1 mV/A
AC/DC CURRENT PROBE
Model MR 410
®
INSTRUMENTS
1
2
3
4
5
6
7
8
Ø = 1.18" (30mm)
Cable max.
Ø = 0.95" (24mm)
Dual Cable max.
Figure 1
1. Jaws
2. Conductor
3. Protectivenon-slipguard
4. Greenlight(onwhenbattery
 voltage≥6.5V)
5. Two-positionrangeselection
switch
6. Zeroadjustmentknob
7. Lead,5ft(1.5m)
8. SafetybananaplugØ4mm
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AC/DCCurrentProbeModelsMR410andMR520 7
2.3 MR520 Features
ON
OFF
1500A
600V CAT III - 1500A
!
OUTPUT:
1500 A: 1 mV/A
AC/DC CURRENT PROBE
Model MR 520
®
INSTRUMENTS
1
2
3
4
5
6
7
8
Ø = 1.5" (39mm)
Cable max.
1.96 x 0.19" (50 x 5mm)
Dual Bus Bar max.
Ø = 0.98" (25mm)
Dual Cable max.
Figure 2
1. Jaws
2. Conductor
3. Protectivenon-slipguard
4. Greenlight(onwhenbattery
 voltage≥6.5V)
5. Two-positionrangeselection
switch
6. Zeroadjustmentknob
7. Lead,5ft(1.5m)
8. SafetybananaplugØ4mm
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8 AC/DCCurrentProbeModelsMR410andMR520
2.4 DMM / Display Compatibility
TheModelsMR410andMR520currentprobesarecompatiblewithany
multimetervoltmeterorothervoltagemeasuringinstrumentwhichhasthe
followingfeatures:
• Inputjackthataccepts4mmsafetybananaplug
• Rangeandresolutioncapableofdisplaying1mVofoutputper
ampofmeasuredcurrent
• Voltmeteraccuracyof0.3%orbettertotakefulladvantageofthe
probeaccuracy
• Inputimpedanceof1MΩ/100pForgreater
Whentheprobeismakingameasurement,thecurrent-carryingconductor
isnotbrokenandremainselectricallyisolatedfromtheprobeoutput.
Asaresult,theprobeoutputcommonmaybeeitheroated(isolated)or
grounded.
Warning: User Safety
Always use a DMM, voltmeter or other displaying device, appropriately
ratedforsafety.
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AC/DCCurrentProbeModelsMR410andMR520 9
CHAPTER 3
SPECIFICATIONS
3.1 MR410 Specifications
3.1.1 Electrical
Measurement Range:1to400AAC(600APeak);1to600ADC
Accuracy*:  1to100A:1.5%reading±1A;100to400A:2.0%reading;
 400to600ADConly:2.5%reading
Phase Shift: 45to65Hz;10to200A:≤2.5°
 200to400A:≤2°
Overload: 1500ADCand1000AACcontinuousupto1kHz
3.1.2 Mechanical
Jaw Opening: 1.2"(31mm)
Maximum Cable Diameter: One1.18"(30mm)ortwo0.95”(24mm)or
twobusbars1.2x0.4"(31.5x10mm)
Dimensions (without zero knob):8.8x3.82x1.73"(224x97x44mm)
Weight: 15oz(440g)
3.2 MR520 Specifications
3.2.1 Electrical
Measurement Range:1to1000AAC(1500APeak);1to1500ADC
Accuracy*:1to100A:1.5%reading±1A
 100to800A:2.5%reading
 800to1000A:4%reading
 1000to1400ADConly:4%reading
Phase Shift: 45to65Hz
 10to200A:≤2.5°;200to1000A:≤1.5°
Overload: 1500AACand1000ADCcontinuousupto1kHz
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10 AC/DCCurrentProbeModelsMR410andMR520
3.2.2 Mechanical
Jaw Opening: 1.55"(40mm)
Maximum Cable Diameter: One1.5"(39mm)ortwo.98"(25.4mm)or
twobusbars1.96x.19”(50x5mm)oronebusbar1.96x.49"(50x12.5mm)
Dimensions (without zero knob):9.31x3.82x1.73"(236.5x97x44mm)
Weight:1.06lbs(480g)
*Reference conditions: 18° to 28°C , 20 to 75% RH, external magnetic eld <40 A/m, no DC component,
no external current carrying conductor, test sample centered, 1MΩ≤100pF load, zero adjustment prior to
measurement [DC only] DC to 65Hz, battery voltage 9V ± 0.1V.
3.3 Common Specifications (MR410 & MR520)
3.3.1 Electrical
Output Signal: 1mV/A
Frequency Range:DCto10kHz@-3dB
Noise: DCto1kHz:≤1mVpeaktopeak
 DCto5kHz:≤1.5mVpeaktopeak
 0.1Hzto5kHz:≤500µVpeaktopeak
Rise and Fall Time: Rise:≤100µsfrom10to90%Vout
 Fall:≤120µsfrom10to90%Vout
Load Impedance:>100kΩ/100pF
Insertion Impedance: 0.39mΩ@50Hz,58mΩ@1000Hz
Working Voltage: 600Vrms
Common Mode Voltage: 600Vrms
Inuence of Adjacent Conductor:
<10mA/Aat50Hzat23mmfromtheprobe
Inuence of Conductor in Jaw Opening:0.5%reading(DCto440Hz)
Power Source: 9Valkaline(NEDA1604A,IEC6LR61)
Battery Life: Approximately100Htypical
Low Battery: GreenLEDonwhenbatteryvoltage≤6.5V
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AC/DCCurrentProbeModelsMR410andMR520 11
3.3.2 Mechanical
Output: Doubleinsulated5ft(1.5m)leadwithsafetybananaplugs
Zero Adjustment: ±10Aapprox.by10turnknobatbaseofcase
Case Protection: IP30perIEC529
Drop Test: 1.0mon38mmofoakonconcrete;testaccordingtoEN61010
Mechanical Shock: 100G,testperIEC68-2-27
Vibration: TestperIEC68-2-6
Frequency Range: 5to15Hz,Amplitude:1.5mm
 15to25Hz,Amplitude:1mm
 25to55Hz,Amplitude:0.25mm
Handle: UL94V0
Jaws: UL94V0
3.3.3 Environmental
Operating Temperature Range: 14°to131°F(-10°to+55°C)
Storage Temperature Range: -40°to176°F(-40°to+80°C)
Temperature Inuence: ≤300°ppm/°Kor1%/10°K
≤0.2A/°KonZero
Operating Relative Humidity:
10°to35°C:90±5%RH(withoutcondensation)
40°to55°C:70±5%RH(withoutcondensation)
Humidity Inuence: 10to90%RH@referencetemperature≤0.1%R
Altitude: Operating:0to2000m
 Non-operating:0to12,000m
3.3.3 Safety
Electrical:
EN61010-2-32,600VCATIII,Pollution:2
Electromagnetic Compatibility:
EN50081-1ClassB
EN50082-2ElectrostaticdischargeIEC1000-4-2
RadiatedeldIEC1000-4-3
FasttransientsIEC1000-4-4
Magneticeldat50/60HzIEC1000-4-8
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12 AC/DCCurrentProbeModelsMR410andMR520
CHAPTER 4
OPERATION
4.1 Making Measurements
• Plugtheprobeintothedisplaydevice(e.g.,DMM,logger).
 Notethepolarityoftheprobeoutputbananaplugs(red=positive[+],
black=negative[-]).
• Selecttheappropriaterangeonthedisplaydevice.
 Notethattheprobe’soutputis1mV/A.
• Turndisplaydevicepoweron.
• Turn on the instrument.The Green LED should be on. If the Green
LEDdoesnotcomeonorgoeso󰀨afterafewminutes,itisnecessary
toreplacethebattery(see“BatteryReplacement”§5.1.1).
4.1.1 DC Measurement
• SelecttheappropriateDCmVorVrangeontheDMMormeasuring
instrument.
• “Zero”theprobe-withtheprobedisconnectedfromtestsamples(no
conductorinprobejawwindow),pushinandturnthezeroadjustment
knobtoobtainareadingbetterthan0.5mVontheDMM.
• Forbestaccuracy,especiallyonlow-levelmeasurement,itisrecom-
mendedthatyouzerotheprobebeforeeachmeasurement.
• Clamptheprobearoundtheconductortobetested.TheDMMordis-
play device should now display the measured conductor current. A
positivereadingindicatescurrentowinginthedirectionofthearrow
locatedonthesideofthejaw.Anegativereadingindicatescurrentow
intheoppositedirectionofthearrow.
• Apply the conversion ratio (1mV/A) to get the value of the current.
(e.g.If themultimeter reading is 250mVDC, the measured current is
250ADC).
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AC/DCCurrentProbeModelsMR410andMR520 13
4.1.2 AC Measurement
• SelecttheappropriateACmVorVrangeontheDMMormeasuring
instrument.
• TheDCzeroadjustmentisnotrequiredwhenmeasuringACcurrent
withavoltmeterthatisACcoupled.TheDCzeroadjustmentis
requiredifyouareusingavoltmeterthatisDCcoupled.
• SelecttheappropriatemVAC or VACrangeontheDMMormeasuring
instrument.
• Clamptheprobearoundtheconductortobetested.Thedisplaydevice
shouldnowdisplaythemeasuredconductorcurrent.
• Applytheconversionratio(1mV/A)togetthevalueofthecurrent.
4.1.3 Indicator Lights: Green LED
• TheGreenLEDindicatesthattheprobeisonandthatthebatteryis
good.
• Itwillnotlightunderlowbatteryconditions.
• Replacethe9Vbatteryifitisnotlit.
4.2 Tips For Getting the Best Accuracy
TheModelsMR410 and MR520 arecapableof measuring DCandfre-
quencycurrentsoverawiderange.Herearesomekeyconsiderationsfor
gettingthemostaccuracyfromyourdisplayinstrument:
• WhenusingtheModelsMR410andMR520withaDMMorother
meter,itisimportanttoselecttherangethatprovidesthebest
resolution.
• Makesurethatprobejawmatingsurfacesarefreeofdustand
contamination.
• Bewareofshort-circuitcurrents.Largein-rushDCcurrents
(whichcanoccurwhenpowerisrstappliedinacircuit)and
largehigh-currenttransientsmaycausevaryingdegreesof
residualreadings.
• Ifindoubtofaparticularreading,removetheprobefromthe
conductorundertestandchecktoseethatthedisplaydevice
returnstozero.Ifnot,itwillbenecessarytorezerotheprobe.
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14 AC/DCCurrentProbeModelsMR410andMR520
4.3 Operation Examples
DC Current Measurement Example for MR410
• Conductorcarrying25ADCinthedirectionofthearrow
• DMMplacedinDCvoltsmode
• DMMdisplays25.0mVDC=25ADC
ACV DCV
25.0 mV
COM +
25 A
DC
ON
OFF
600A
600V CAT III - 600A
!
OUTPUT:
600A: 1 mV/A
AC/DC CURRENT PROBE
Model MR 410
®
INSTRUMENTS
Figure 3
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AC/DCCurrentProbeModelsMR410andMR520 15
Measuring the DC Component of an (AC+DC) Waveform for MR410
• Conductorcarrying300ADC+25.0AAC
• DMMplacedinDCvoltsmode
• DMMdisplays300.0mVDC=300ADC
ACV DCV
300.0 mV
COM +
300 A
DC
ON
OFF
600A
600V CAT III - 600A
!
OUTPUT:
600A: 1 mV/A
AC/DC CURRENT PROBE
Model MR 410
®
INSTRUMENTS
Figure 4
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16 AC/DCCurrentProbeModelsMR410andMR520
Measuring the AC Component of an (AC+DC) Waveform for MR520
• Conductorcarrying20ADC+250AAC
• VoltmeterplacedinACvoltsmode
• Voltmeterdisplays250.0mVAC=250AAC
ACV DCV
250.0
mV
COM +
250 A
DC
ON
OFF
1500A
600V CAT III - 1500A
!
OUTPUT:
1500A: 1 mV/A
AC/DC CURRENT PROBE
Model MR 520
®
INSTRUMENTS
Figure 5
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AC/DCCurrentProbeModelsMR410andMR520 17
4.4 Typical Response Curves
Model MR410
110100 1000
2
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
Primary current in amperes
Typical Accuracy in DC
Error in %
Model MR520
Typical Accuracy in DC
1
2
0
-2
-4
-6
-8
10 1001000 10,000
Primary current in amperes
Accuracy in %
-10
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18 AC/DCCurrentProbeModelsMR410andMR520
CHAPTER 5
MAINTENANCE
5.1 Maintenance
WARNING:
• Formaintenanceuseonlyspeciedreplacementparts.
• Toavoidelectricalshock,donotattempttoperformanyservicing
unlessyouarequaliedtodoso.
• Toavoidelectricalshockand/ordamagetotheinstrument,donot
getwaterorotherforeignagentsintothecase.Turnthecurrent
probe OFF and disconnect the unit from all the circuits before
openingthecase.
5.1.1 Battery Replacement
Whentheprobeisturnedon,thegreenLEDshouldlightup.Ifitdoesnot,
replacethe9Vbattery.
• Completelydisconnecttheprobefromthecircuitundertest,and
fromtheDMMormeasuringinstrument.
• TurntheprobeOFF.
• Unscrewthebatterycompartmentscrewandremovecover.
• Replacethebatteryandputthecoverbackon.
Donotreplacethebatterywhiletheprobeisinuse.
5.1.2 Cleaning
• Cleanthe bodyof theclamp witha clothlightly moistenedwith
soapywater.
• Wipecleanwithaclothmoistenedwithcleanwateranddry.
• Donotusesolvent.
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