AEMC MN261 Manual de usuario
AC CURRENT
OSCILLOSCOPE PROBE MN261
ENGLISH User Manual
OUTPUT:
20 A Range : 100 mV/AAC
200 A Range : 10 mV/A AC
200 A
20 A
MN 261
AC CURRENT PROBE
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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 #: 2115.82
Model #: MN261
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............................................................................... 2
1.1 International Electrical Symbols................................................2
1.2 DenitionofMeasurementCategories .....................................3
1.3 ReceivingYourShipment..........................................................3
1.4 OrderingInformation.................................................................3
1.4.1 AccessoriesandReplacementParts............................3
2. PRODUCT FEATURES ...................................................................... 4
2.1 Description................................................................................4
2.2 Compatibility .............................................................................4
2.3 ControlFeatures .......................................................................5
3. SPECIFICATIONS............................................................................. 6
3.1 ElectricalSpecications ............................................................6
3.2 MechanicalSpecications ........................................................7
3.3 EnvironmentalSpecications....................................................7
3.4 SafetySpecications ................................................................7
3.5 TypicalResponseCurves .........................................................8
4. OPERATION .................................................................................. 10
4.1 CurrentMeasurement.............................................................10
5. MAINTENANCE ............................................................................. 11
5.1 Maintenance ...........................................................................11
5.2 Cleaning.................................................................................. 11
Limited Warranty ...................................................................................13
WarrantyRepairs...................................................................................13
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ACCurrentOscilloscopeProbeModelMN261
CHAPTER 1
INTRODUCTION
WARNING
Thesesafetywarningsareprovidedtoensurethesafetyofperson-
nelandproperoperationoftheinstrument.
• Connect the probe to the oscilloscope or voltage measuring
instrumentbeforeclampingtheprobearoundaconductor.
• Neverusetheprobeoncircuitsratedhigherthan600V,CatIII.
• Neverleavetheprobeclampedaroundaconductorwhilenot
connectedtoanoscilloscopeorvoltagemeasuringinstrument.
• Carefullycentertheconductorinsidetheprobejawsandascer-
tainthattheprobeisperpendiculartotheconductor.
• Avoid,ifpossible,theproximityofotherconductorswhichmay
create noise.
• Checkthemagneticmatingsurfacesoftheprobejaws;these
shouldbefreeofdirt,rust,orotherforeignmatter.
• Donotuseaprobewhichiscracked,damaged,orhasdefec-
tive leads.
1.1 International Electrical Symbols
Thissymbol signiesthat the instrument is protectedby doubleor
reinforced insulation. Use only specied replacement parts when
servicingtheinstrument.
Thissymbolon the instrumentindicatesa WARNINGandthat the
operatormustrefertotheusermanualforinstructionsbeforeoperat-
ingtheinstrument.Inthismanual,thesymbolprecedinginstructions
indicatesthatiftheinstructionsarenotfollowed,bodilyinjury,instal-
lation/sampleandproductdamagemayresult.
Risk of electric shock. The voltage at the parts marked with this
symbolmaybedangerous.
ThisisatypeAcurrentsensor.Thissymbolsigniesthatapplication
aroundandremovalfromHAZARDOUSLIVEconductorsispermitted.
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1.2 Definition of Measurement Categories
Cat. I: Formeasurementsoncircuits notdirectlyconnectedto theAC
supply wall outlet such as protected secondaries, signal level,
andlimitedenergycircuits.
Cat. II: For measurements performed on circuits directly connected to
the electrical distribution system. Examples are measurements
onhouseholdappliancesorportabletools.
Cat. III: For measurements performed in the building installation at
the distribution level such as on hardwired equipment in xed
installationandcircuitbreakers.
Cat. IV: For measurements performed at the primary electrical supply
(<1000V) such as on primary overcurrent protection devices,
ripplecontrolunits,ormeters.
1.3 Receiving Your Shipment
Uponreceivingyourshipment,makesurethatthecontentsareconsistent
withthepackinglist.Notifyyourdistributorofanymissingitems.Iftheequip-
mentappearstobedamaged,leaclaimimmediatelywiththecarrierand
notifyyourdistributoratonce,givingadetaileddescriptionofanydamage.
Savethedamagedpackingcontainertosubstantiateyourclaim.
1.4 Ordering Information
ACCurrentOscilloscopeProbeModelMN261 ................... Cat. #2115.82
1.4.1 Accessories and Replacement Parts
MaleBanana-FemaleBNCAdaptor(XF-SS) .................... Cat. #2111.32
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ACCurrentOscilloscopeProbeModelMN261
CHAPTER 2
PRODUCT FEATURES
2.1 Description
TheACCurrentOscilloscopeProbeModelMN261expandsoscilloscope
applicationsinindustrialorpowerenvironments,andisidealforanalysis
andmeasurementofdistortedcurrentwaveformsandharmonics.
TheModelMN261permitsaccuratedisplayandmeasurementofcurrents
from0.1to240Arms,40Hzto10kHz(withcurrentderating)withoutbreak-
ingintothecircuit.Apassiveltereliminatesnoise,ringonrapidrising(di/
dt)waveforms,andensuresaccuratescreendisplays.
Theprobeconnectsdirectlytoanoscilloscopethroughaninsulatedcoax-
ialcablewithaninsulatedBNC.
2.2 Compatibility
TheModelMN261iscompatiblewithanyanalogordigitaloscilloscopeor
othervoltage-measuringinstrumentwhichhasthefollowingfeatures:
• BNCinputconnector
• Rangecapableofdisplaying0.2to0.5Vperdivision,or2Vrange
• Minimuminputimpedanceof1MΩ
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2.3 Control Features
2.56" (65 mm)
5.31" (135 mm)
.83" (21 mm)
.73"
2.01" (51 mm)
(18.5 mm)
.1.18" (30 mm)
1
2
3
4
5
1. JawOpening:0.83"(21mm)
2. Maximumdimensionofconductor:0.78"(20mm)
3. Twopositionswitch
4. 6.5ft(2m)outputcable
5. Arrow indicates direction of current ow. Current ows in a positive
directionwhenittravelsfromsupplytoload.
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ACCurrentOscilloscopeProbeModelMN261
CHAPTER 3
SPECIFICATIONS
3.1 Electrical Specifications
*Referenceconditions:23°C±3°K,20to75%RH,48to65Hz,externalmagneticeld
<40A/m,noDCcomponent,noexternalcurrentcarryingconductor,testsamplecentered.
Current Range: 0.1 to 24Arms
0.5 to 240Arms
Output Signal:mVoutputsignal;
2rangeswitchselectableonhandle
100mV/A:
0.1 to 24Arms
10mV/A:
0.5 to 240Arms
Load Impedance: ≥1MΩ@ ≤100pF
Range:10mV/A(2Vat200A)
PrimaryCurrent 0.5 to 10A 10 to 40A 40 to 100A 100 to 240A
Accuracy ≤3.5%±5mV ≤3%±5mV ≤2.5%±5mV ≤1.5%±5mV
PhaseShift N/A ≤6° ≤4° ≤3°
Overload: 240Afor10mnON,30mnOFF
Range:100mV/A(2Vat20A)
Overload: 120Acontinuous
Accuracy:2%±50mV
Phase Shift: notspecied
Frequency Range (with current derating):40Hzto10kHz(@-3dB)
SeeTypicalResponseCurves(§3.5)
Load Impedance: 100kΩmin
Working Voltage:600VCat.III
Common Mode Voltage:600VCat.III
Inuence of Adjacent Conductor: <15mA/AAC@50Hz
Inuence of Conductor Position in Jaw Opening:
0.5%ofReading@50/60Hz
Inuence of Frequency:
Range20A: 40Hzto1kHz:10%ofmVoutput
1to10kHz:15%ofmVoutput
Range200A: 40Hzto1kHz:3%ofmVoutput
1to10kHz:12%ofmVoutput
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3.2 Mechanical Specifications
Dimensions:5.47x2.00x1.18"(139x51x30mm)
Weight:6.5oz(150g)
Maximum Cable Diameter:0.78"(20mm)
Jaw Opening:0.83"(21mm)max
Maximum Conductor Size:0.78"(20mm)
Envelope Protection:IP40(IEC529)
Drop Test:1m(IEC68-2-32)
Mechanical Shock:100g(IEC68-2-27)
Vibration:10/55/10Hz@0.15mm(IEC68-2-6)
Output:6ft(2m)insulatedleadwithinsulatedBNCConnector
3.3 Environmental Specifications
Operating Temperature/RH:14°to131°F(-10°to55°C);RH<85%
Storage Temperature:-40°to158°F(-40to70°C)
Inuence of Temperature: ≤0.15%/10K
Inuence of Humidity:10to90%;0.2%
Altitude: ≤2000m
3.4 Safety Specifications
Indoor Use
Electrical:
Doubleinsulationorreinforcedinsulationbetweentheprimaryorsecond-
aryandtheoutercaseofthehandleperEN61010-2-032.
Common Mode Voltage:600V,CategoryIII,PollutionDegree:2
Dielectric Strength: 5550V, 50/60Hz between primary, secondary, and
theoutercaseofthehandle
Electromagnetic Compatibility:
EN 50081-1 Class B
EN50082-2Electrostaticdischarge
IEC 1000-4-2
RadiatedeldIEC1000-4-3
Fast transients IEC 1000-4-4
Magneticeldat50/60HzIEC1000-4-8
*Specications are subject to change without notice
E192383
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ACCurrentOscilloscopeProbeModelMN261
3.5 Typical Response Curves
10mV/A Range
-10.00
-8.00
-6.00
-4.00
-2.00
0.00
2.00
10.00 100.00 1000.00 10000.00 100000.00
-15.00
-20.00
-25.00
-10.00
-5.00
0.00
5.00
10.00
15.00
10.00 100.00 1000.00 10000.00 100000.00
Accuracy vs. Frequency
Phase Shift vs. Frequency
Frequency in Hz
Frequency in Hz
Accuracy in %Phase in °
100 A
200 A
100 A
200 A
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