AEMC K100 User manual
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nDC/AC MICROPROBE K100
K110
User Manual
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AEMC
INSTRUMENTS
®DC/AC MicroProbe
Model K100
!
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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. For recalibration, please
use our calibration services. Refer to our repair
and calibration section at www.aemc.com.
Serial #: ________________________________
Catalog #: 1200.67 / 2111.73
Model #: K100 / K110
Please fill in the appropriate date as indicated:
Date Received: _________________________________
Date Calibration Due: _______________________
Chauvin Arnoux®, Inc.
d.b.a AEMC®Instruments
www.aemc.com
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Table of Contents
1. INTRODUCTION............................................................................... 3
1.1 International Electrical Symbols................................................3
1.2 DenitionofMeasurementCategories .....................................4
1.3 ReceivingYourShipment..........................................................4
1.4 OrderingInformation.................................................................4
2. PRODUCT FEATURES ...................................................................... 5
2.1 Description................................................................................5
2.2 ModelK100Features ...............................................................6
2.3 ModelK110Features................................................................7
3. SPECIFICATIONS............................................................................. 8
3.1 ElectricalSpecications ............................................................8
3.2 EnvironmentalSpecications....................................................9
3.3 MechanicalSpecications ........................................................9
3.4 SafetySpecications ................................................................9
3.5 TypicalFrequencyResponse .................................................10
4. OPERATION .................................................................................. 11
4.1 MakingMeasurementswiththeK100/K110 ........................... 11
4.2 IndicatorLights-GreenandRedLEDs.................................. 11
4.3 ModelK100OperationExamples ...........................................12
DCCurrentMeasurementExample(K100) ..............................12
DCCurrentMeasurementExample-CurrentReversed........12
Two-WireSum-of-CurrentsExample(K100) ............................13
Two-WireCurrentDifferentialExample(K100).........................13
OscilloscopeMeasurementExample(K100)............................14
MaximumStepDiscontinuityExample(K100)..........................14
4.4 ModelK110OperationExamples ...........................................15
MeasuringtheDCComponentofan(AC+DC)Waveform ....15
MeasuringtheACComponentofan(AC+DC)Waveform ......15
OscilloscopeMeasurementExample(K110)............................16
4.5 TipsForMakingPreciseMeasurements ................................16
4.6 ResidualReadingsFollowingSevereOverloads....................19
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5. MAINTENANCE ............................................................................. 20
5.1 Warning..................................................................................20
5.2 Battery Installation ..................................................................20
5.3 Cleaning..................................................................................21
RepairandCalibration...........................................................................22
TechnicalandSalesAssistance ............................................................22
LimitedWarranty ...................................................................................23
WarrantyRepairs...................................................................................23
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DC/AC MicroProbe Models K100 and K110
3
CHAPTER 1
INTRODUCTION
WARNING
Thesesafetywarningsareprovidedtoensurethesafetyofpersonnel
andproperoperationoftheinstrument.
• Readtheinstructionmanualcompletelyandfollowallthesafety
informationbeforeattemptingtouseorservicethisinstrument.
• Use caution on any circuit: Potentially high voltages and cur-
rentsmaybepresentandmayposeashockhazard.
• ReadtheSafetySpecicationssectionpriortousingtheModel
K100/K110.Neverexceedthemaximumvoltageratingsgiven.
• Safetyistheresponsibilityoftheoperator.
• NEVERopenthebackoftheinstrumentwhileconnectedtoany
circuitorinput.
• ALWAYSconnecttheModelK100/K110adaptertothedisplay
devicebeforeclampingtheprobeontothesampleundertest.
• ALWAYS inspect the instrument, probe, probe cable and
output terminals prior to use. Replace any defective parts
immediately.
• NEVER use the Model K100/K110 on electrical conductors
ratedabove300VCATII,EN61010-1.
1.1 International Electrical Symbols
Thissymbolsigniesthattheinstrumentisprotectedbydoubleor
reinforcedinsulation.Useonlyspeciedreplacementpartswhen
servicingtheinstrument.
This symbol on the instrument indicates a WARNING and that
theoperatormustrefertotheusermanualforinstructionsbefore
operating the instrument. In this manual, the symbol preceding
instructions indicates that if the instructions are not followed,
bodilyinjury,installation/sampleandproductdamagemayresult.
Riskofelectricshock.Thevoltageatthepartsmarkedwiththis
symbolmaybedangerous.
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DC/AC MicroProbe Models K100 and K110
1.2 Definition of Measurement Categories
CAT I: FormeasurementsoncircuitsnotdirectlyconnectedtotheAC
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
with the packing list. Notify your distributor of any missing items. If the
equipmentappearstobedamaged,leaclaimimmediatelywiththecar-
rierandnotifyyourdistributoratonce,givingadetaileddescriptionofany
damage.
1.4 Ordering Information
DC/AC MicroProbe Model K100.......................................... Cat. #1200.67
DC/AC MicroProbe Model K110.......................................... Cat. #2111.73
Both models include an electronic plug-in module with an attached current probe, 9V battery,
and user manual
Order Accessories and Replacement Parts Directly Online
Check our Storefront at www.aemc.com/store for availability
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DC/AC MicroProbe Models K100 and K110
5
CHAPTER 2
PRODUCT FEATURES
2.1 Description
ModelK100andModelK110arelowcurrentmeasurementinstruments
thatfeatureacompact,highsensitivitycurrentprobe.Unlikeotherinstru-
ments,theModelK100exhibitsawidedynamicoperatingrange,which
extendsfrombelow100µAto±4.5Apeak,fromDCto2.0kHz*,withoutthe
needforranging.TheK110hasanoperatingrangeof100µAto±450mA
Peak,fromDCto1500Hz.*
ModelsK100andK110aredesignedtobeoperatedinconjunctionwitha
digitalmultimeter,oscilloscopeorrecordingdevice.TheMicroProbeout-
putsthecurrentmeasuredintheformofavoltagethatistheimageofthe
current,inshapeandamplitude.TheModelK100outputs1mVpermAof
measuredcurrent.TheModel K110outputs 10mVpermA ofmeasured
current.TotakeadvantageoftheModelK100highsensitivity,bestresults
areobtainedthrough4-1/2digit(ormore)DMMwitharelativezerofunc-
tion.TheModelK110wasdesignedtoprovidetheoperatorwithenhanced
lowcurrentlinearityandaccuracy,butislimitedto450mAPeakcurrent.
The Model K100/K110 always outputs a signal proportional to the total
current(AC+DC)intheconductorundertest.Thishasproventobethe
most versatile signal output format, and allows the user to isolate and
measureDCandAC componentsofmeasuredcurrent separately,ifso
desired.Typicalapplicationsinclude4to20mAloopmeasurements,auto-
motive current applications, benchtop electronic current consumption in
circuits,andotherapplicationsrequiringverylowcurrentmeasurements
incrowdedareas.
* See Electrical Specications
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DC/AC MicroProbe Models K100 and K110
2.2 Model K100 Features
8
7
1
2
3
4
5
6
Figure 1
1.Positive:Redbananaplug(+)
2.Negative:Blackbananaplug(-)
3.PowerONindicator(greenLED)
4.OVERLOADindicator(redLED)
5.Powerswitch
6.Zeroadjustknob(pushinandturntozero)
7.Probewindowaperture
8.Probehandle
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DC/AC MicroProbe Models K100 and K110
7
2.3 Model K110 Features
®
8
7
1
2
3
4
5
6
Figure 2
1.Positive:Redbananaplug(+)
2.Negative:Blackbananaplug(-)
3.PowerONindicator(greenLED)
4.OVERLOADindicator(redLED)
5.Powerswitch
6.Zeroadjustknob(pushinandturntozero)
7.Probewindowaperture
8.Probehandle
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DC/AC MicroProbe Models K100 and K110
CHAPTER 3
SPECIFICATIONS
3.1 Electrical Specifications
Model K100
Current Range:
0to±4.5ADC
0to3Arms(sinusoidal)
Output (Vout):1mV/mA
Resolution:
DC:50µAtypical
AC:100µAtypical
Accuracy:
DC:1%reading±200µA
AC:2%reading±200µA
Output Noise:
<100µV,DCto3kHz
Frequency Response:
DCto2kHz(@-3dBsine)
Zero Adjust:
±25mA
Model K110
Current Range:
0to±450mADC
0 to 300mA rms
Output (Vout): 10mV/mA
Resolution:
DC:50µAtypical,
AC:100µAtypical
Accuracy:
DC:0.5%reading±150µA
AC:0.8%reading±200µA
Output Noise:
<100µV,DCto3kHz
Frequency Response:
DCto1.5kHz(@-3dBsine)
Zero Adjust:
±25mA
Rise Time: <200µS,10%to90%Vout
Fall Time: <200µS,90%to10%Vout
Output Impedance: 200Ω
Probe Inductance: <1µH
Inuence of Adjacent Conductor: <50µA/A(K100);<100µA/A(K110)
Inuence of Earth’s Field:<120µA,nulltomaximum
Overload LED (Red):Indicatesmomentaryorcontinuousoverload
Power LED (Green): IndicatespowerONandgoodbattery
LED(Green)ONbetween6.5to10V
Power Source: 9Valkaline,NEDA1604,6LR61orIEC6LF22
Batterylife20Happrox.withalkalinebattery
(Reference Conditions: 23°C ± 3°, 20 to 75% RH; battery voltage 9V ± 0.1V; earth’s magnetic
eld < 40 A/m; absence of AC elds; input impedance of display device ≥ 1MΩ/100 pF; DC
or sinusoidal AC current 45 to 65Hz.)
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