AEMC C.A 5205 User manual

1
ENGLISH User manual
Digital Multimeter
Model C.A 5205
mV
Mk
V
OFF
HOLD
RANGE
- +
HOLD
RANGE
MULTIMETER
C . A 5205
!
COM
600V
CAT III
QQ
QQ
QMULTIMETER

2
Meaning of the symbol
Warning ! Please refer to the User’s Manual before using the
instrument.
In this User’s Manual,the instructions preceded by the above
symbol,shouldtheynot becarriedoutas shown,canresultina
physicalaccidentordamagetheinstrumentandtheinstallations.
Meaning of the symbol
Thisdeviceisprotectedbyadoubleinsulationorbyareinforced
insulation.Nolinkingisrequiredfromtheprotectionearthterminal
toensuretheelectricalsecurity.
Thank you for purchasing a C.A 5205 Multimeter.To get the best
servicefromthisinstrument:
Qread thisuser'smanualcarefully,
Qrespect thesafetyprecautionsdetailed.
SAFETY PRECAUTIONS
QNeveruse onvoltagetoearthcircuitsabove 600V,withavoltage
surgecategoryofoverIII,thatistosay,fixedindustrialanddomestic
installations(ref.IEC 664-1).
QTobeusedindoors in environmentswithamaximumpollution
degree of 2 (ref.IEC 664-1), a temperature between 0 and 50°C
andrelativehumiditybelow70%.
QUseaccessorieswhichconformtosafetystandards
(IEC1010-2-031),withaminimumvoltageof600 Vand avoltage
surgeof category III.
QNeveropenthe multimetercasebeforedisconnectingfromany
electricalsource.
QNever connect up to a circuit to be measured if the multimeter
caseisnotclosedcorrectly.
QBeforeanymeasurements aretaken,ensuretheleadsandswitch
areinthecorrectpositions.
QNevermeasureresistancesonacircuitwiththepowerswitchedon.

3
1
CONTENTS
1 - Presentation ............................................................................3
2 - Description...............................................................................4
3 - DCandAC voltage(V) ............................................................4
4 - Resistance(Ω).........................................................................5
5 - Continuitybeeper ( )..........................................................5
6 - Diodetest( ) ........................................................................5
7 - Generalspecifications .............................................................6
8 - Accessoriesandspares(Toorder) .........................................7
9 - Warranty ..................................................................................7
10 - Maintenance ............................................................................7
TechnicalandSalesAssistance..............................................8
1 - PRESENTATION
The C.A 5205 is designed for the daily needs of professionals in
electricity.
-2000counts
-AutomaticrecognitionofACandDC
-Automatic ormanual rangeselection
Variousmeasurementaccessoriesbroadenthescopeofapplication
orprovidethemultimeterwithnewfunctions.
Seethelistofaccessories and referencesonthe“To Order”page
(Documentationuponrequest).
Note: Alwaysuseaccessoriessuitableforthevoltageandthevoltage
surge categoryofthecircuittobemeasured (as perIEC1010).

4
2 - DESCRIPTION
LIQUID CRYSTAL DISPLAY
Q2000measurementcounts(heightofdigits0.65")
Rate:2 measurements /second
Q:lowbatteryindication
QOverloadindication:the1onthe leftflashes
CONTROL BUTTONS
HOLD Holdbuttonfreezesthemeasurementondisplay
RANGE
Rangeselection:Press therangebuttonto changefromautomatic
modetomanualmode.Theautomaticmodeisselectedwhenthe
instrumentisswitchedon.
Note : The200mV ACrangeisonlyaccessibleon manual.
Press3times ontheRANGEbutton toaccessthisrange.
FUNCTION SELECTOR SWITCH
OFF Offposition
V DCandAC voltagesupto600V
ContinuitysoundtestforaresistanceR<700Ω
ΩΩ
ΩΩ
ΩResistances up to 20 MΩ.
TERMINALS
Ø4mmsafetyterminals
QCOM :common,black
Q+:red
3 - DC AND AC VOLTAGE
QConnecttheleadsto themultimeterand connectitinparallelto
the circuittobe tested.
QPlacetheselector switchonthevoltmeterfunctionV.Automatic
selection of the range and the DC or AC mode;read the value
measured.
QFreezethevalue,ifnecessary,bypressingthe HOLDbutton.

5
V DC and AC (1) 200mV 2 V 20 V 200 V 600 V
Resolution 0.1mV 1mV 10mV 100mV 1 V
Impedance 3 MΩ
Accuracy onDC: ±1%reading ±1 count
onAC:±1% reading ±5counts
Permitted 600V rmsand900V peak
overload
(1) Use on frequency : 40 Hz to 500Hz
Min.thresholdonVAC:25mVfrom40Hzto100Hzand300mVfrom100Hzto500Hz
Min.threshold onVDC:10 mV
4 - RESISTANCE
Never test a resistance on a live circuit
QConnect the leads to the multimeter and to the circuit or the
componenttobetested.
QPlacetheselectorswitchon theohmmeterfunctionΩ
QAutomaticrangeselection :read themeasuredvalue
QFreezethevalue,ifnecessary,bypressingthe HOLDbutton.
ΩΩ
ΩΩ
Ω200 Ω2kΩ20kΩ200kΩ2 MΩ20 MΩ
Resolution 0.1 Ω1 Ω10 Ω100 Ω1kΩ10kΩ
Accuracy ±1.5 %rdg ± 1.5 % rdg ±3%rdg±5 counts
±5counts ± 3 counts
Voltageon ≤0.5 V
opencircuit
Protection 500V rmsand750V peak
5 - CONTINUITY BEEPER
QPlacetheselectorswitchonthe function
QContinuousaudiblebeepemittedforaresistanceR ≤700Ω
6 - DIODE TEST
Never test a diode on a live circuit
QConnecttheleadstothemultimeter and totheterminalsofthe
componenttobetested.With thisfunction,itispossibletotest,
besidesclassicdiodes,LED’soranyothersemiconductorinwhich
thejunctioncorrespondstoadirectvoltagelessthan3V.

6
QPlacetheselectorswitchonthe function:
- inforwarddirectionthe displaygivesthe valueofthe junction
inV (resolution 1 mV)
- accuracy :± 2% rdg ± 15 mV
- opencircuitvoltage:1.5Vtypical
- shortcircuitcurrent :0.4mA
- in reverse direction the display indicates the open circuit
voltage,around2V.
QFreezethevalue,ifnecessary,bypressingthe HOLDbutton.
QProtection:idemResistances
7- GENERAL SPECIFICATIONS
7-1 Dimensions and weight
Q2.5" x 7" x 1.7" (64 x 177 x 42 mm) Q12.3ounces (350 g)
7-2 Power supply
QTwobatteries1.5V (type R6)
QBatterylife: 300h withR6batteries
500hwithalkaline batteryLR6
QLowbatteryindication :
Note : Thevoltageofthebatteriesisindicatedapproximatelyonthe
diodefunctiononopencircuit.
7-3 Buzzer
QContinuousbeepforthecontinuitytest
QIntermittentbeepeachtimetheswitchorbuttonsarepressed,
andfortheoverloadindication.
7-4 Climatic conditions
QTemperature
- Use : 0°C to +50°C
-Storage:-20°C to +60°C
QRelativehumidity
- Use : ≤70 % RH
- Storage :≤90 % RH (up to 45°C)
QAltitude:use< 2000 m
7-5 Conformity with international standards
7-5-1 Electrical safety (IEC 1010-1)
QDoubleinsulation: QInstallationcategory:III
QDegreeofpollution:2 QAssignedvoltage:600V
Note : Thismultimeter,ofovervoltagecategoryIIIsatisfiesthesevere
requirementsofreliability andavailabilitycorrespondingto
industrialanddomesticpermanentinstallations (IEC664-1).

7
7-5-2 Electromagnetic compatibility : conforms to CE
QEmission (EN 50081-1) QImmunity(EN 50082-1)
7-5-3 Mechanical protection
QDegreeofwatertightness(IEC529) :protectionindexIP40
8 - TO ORDER
Usethedesignationsandreferencesbelow.
C.A 5205 .......................................................................Cat# 2116.73
Suppliedwithitsshockproofcase,apairofleadswithprobesattached,
two1.5V"AA"batteriesandthisuser'smanual
Accessories and spares
QACcurrentprobemodelMN251(200A AC) ...........Cat# 2115.77
QACcurrentprobemodelMD303(500A AC) ...........Cat# 1201.21
QAC current probe model SR 652(1000 A AC) .......... Cat# 2113.46
QAC/DCcurrentprobe
model MR 410 (400 A AC / 600 A DC) .....................Cat# 1200.70
QAmpFLEX model1000-24-1-1(1000AAC)...................Cat# 2112.39
QReplacementleads ...................................................Cat# 2118.66
QSoftcarryingcase .....................................................Cat# 2118.65
QReplacementshockproofcase..................................Cat# 2980.15
9 - WARRANTY
Ourguaranteeisapplicable forthree years afterthedateonwhich
theequipmentismadeavailable(copy availableonrequest).
10 - MAINTENANCE
For maintenance, use only specified spare parts.
The manufacturer will not be held responsible for any
accident occurring following a repair done other than by
its After Sales Service or approved repairers.
10-1 Replacing the batteries
The multimeter must be disconnected from any electrical
source.
QPlacetheselectorswitchonthe"OFF"position.
QUnscrewthe toolreleasescrewsandremovethelowerhalfofthe
case.
QReplacethedeadbatteriesbytwo"AA"1.5V batteries(typeLR6
orR6)
QRefitthelowerhalfofthe case

8
10-2 Storage
Ifthemultimeterisnotputintoserviceforatimeexceeding60days,
removethe batteriesandstore themseparately.
10-3 Cleaning
The multimeter must be disconnected from any electrical
source.
Tocleanthecase,useaclothslightlymoistened with soapy water.
Rinsewitha dampcloth.Then,dryrapidlywitha clothorin ahotair
stream.
10-4 Repair and calibration
To guarantee that your instrument complies with the factory
specifications,werecommendthattheModelC.A5205besubmitted
toourfactoryservicecenteratone-yearintervalsforrecalibration,or
asrequiredbyotherstandards.
Forinstrumentrepairand/orcalibration,pleasecallourfactory,toll-
free, at (800) 945-AEMC (800-945-2362) :
CHAUVIN ARNOUX, Inc.
d.b.a.AEMCInstruments
15FaradayDrive
Dover, NH 03820 USA
Tel: (800) 954-2362
(603) 749-6434
Fax: (603) 742-2346
(Orcontactyourauthoriseddistributor)
Estimates for repairs, normal recalibration, and and calibration
traceableto N.I.S.T.areavailableuponrequest.Overseascustomers
mustreceivewrittenauthorisationbeforereturninganyinstrument.
10-5 Technical and Sales Assistance
If you are experiencing any technical problems, or require any
assistancewiththeproperuseorapplicationofthisinstrument,please
callourtechnicalhotline:
CHAUVIN ARNOUX, Inc.
d.b.a. AEMC Instruments
200 Foxborough Blvd.
Foxborough, MA 02035 USA
Tel : (800) 343-1391
(508) 698-2115
Fax : (508) 698-2118
www.aemc.com
Table of contents
Other AEMC Multimeter manuals