AEMC DTR 8510 User manual
DIGITAL TRANSFORMER
RATIOMETER (DTR®)
ENGLISH User Manual
8510
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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 #: 2136.50
Model #: 8510
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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Digital Transformer Ratiometer DTR
®
Model 8510
1
Table of Contents
1. INTRODUCTION ................................................................................. 3
1.1 International Electrical Symbols................................................4
1.2 DenitionofMeasurementCategories .....................................4
1.3 ReceivingYourShipment..........................................................5
1.4 OrderingInformation.................................................................5
1.4.1 AccessoriesandReplacementParts............................5
2. PRODUCT FEATURES......................................................................... 6
2.1 Description................................................................................6
2.2 ControlFeatures.......................................................................8
2.3 CableIdentication ...................................................................9
3. SPECIFICATIONS ............................................................................. 10
3.1 DTR®8510Specications.......................................................10
3.2 BatteryChargerSpecications ...............................................12
4. DISPLAY FUNCTIONS....................................................................... 13
4.1 ProgramFlow .........................................................................13
4.2 TopLevelMenu ......................................................................13
4.3 CongureInstrument ..............................................................14
4.3.1 SetClock ....................................................................16
4.3.2 SetupNameplate ........................................................17
4.3.3 SelectTestType..........................................................20
4.3.4 Select Test Mode ........................................................20
4.3.5 SelectStorageMode ..................................................21
4.3.6 Select Filter.................................................................22
4.3.7 Erase Memory.............................................................23
4.3.8 SelectLanguage.........................................................24
4.3.9 RestoringFactoryDefaults .........................................25
4.4 Recall Data .............................................................................26
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2
Digital Transformer Ratiometer DTR
®
Model 8510
5. OPERATION..................................................................................... 28
5.1 PowerUp................................................................................28
5.2 RunningaTest........................................................................29
5.2.1 VT/PTTest ..................................................................29
5.2.2 StoringtheMeasurementRecord...............................31
5.2.2.1 ManualMode........................................................31
5.2.2.2 AutoMode............................................................32
5.2.3 VT/PTExcitationCurrent ............................................32
5.2.4 VT/PTContinuityTest .................................................33
5.2.5 CTTest........................................................................33
5.3 TipsforMakingPreciseRatioMeasurements ........................35
5.4 Ratio Test - 1:1 .......................................................................36
6. CONNECTIONS ................................................................................ 37
6.1 ConnectionDiagrams .............................................................37
6.2 PolyphaseConnections..........................................................38
7. DATAVIEW®SOFTWARE................................................................... 39
7.1 InstallingDataView®................................................................39
7.2 OpeningtheControlPanel .....................................................43
7.3 UsingtheControlPanel..........................................................45
7.4 ConguringtheDTR®8510 ....................................................47
7.5 RunningaTest........................................................................49
7.6 DownloadingaTest ................................................................50
7.7 SavingtheMeasurementRecords .........................................51
7.8 ReportGeneration ..................................................................51
8. MAINTENANCE................................................................................ 53
8.1 ChargingtheBatteries............................................................53
8.2 Cleaning..................................................................................56
APPENDIX: DISPLAY MESSAGES......................................................... 57
Limited Warranty .............................................................................61
WarrantyRepairs ............................................................................61
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Digital Transformer Ratiometer DTR
®
Model 8510
3
CHAPTER 1
INTRODUCTION
WARNING
These safety warnings are provided to ensure the safety of
personnelandproperoperationoftheinstrument.
• This instrument is protected from accidental voltages of not
morethan50Vwithrespecttoearth.Theguaranteedlevelof
protectionofthisequipmentmaybecompromisedifusedina
mannernotspeciedbythemanufacturer.
• Readtheinstructionmanualcompletelyandfollowallsafety
informationbeforeattemptingtouseorservicethisinstrument.
• TheDigitalTransformerRatiometerDTR®Model 8510 is
designedforuseonde-energized (“dead”) transformersonly.
MakesurethetestsampleiscompletelydisconnectedfromAC
powerandisfully discharged.
• OnlyqualiedpersonnelshouldusetheDTR®8510 .
• TheDTR®8510mustnotbeusedinamannerinwhichanyof
itscomponents(includingtestcables)arereliedupontoprovide
protectionfromelectricshock.Nohighvoltageinsulation/
protectionisprovidedbyanycomponentoftheDTR®8510.
Always make sure the circuit is fully discharged before
attaching any test cables.
• Donottouch,adjust,orrepositiontestcableswhiletheDTR®is
conductingatest.
• Usecautiononanyapparatus:potentiallyhighvoltagesand
currentsmaybepresentandposeashockhazard.
• Safetyistheresponsibilityoftheuser.
• Onlyusethechargingunitsuppliedwiththeinstrumentto
rechargethebattery.
• NeveropentheinstrumentwhileitisconnectedtoACpower
orwhentestcablesareconnectedtotransformers,equipment,
circuits,etc.
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4
Digital Transformer Ratiometer DTR
®
Model 8510
1.1 International Electrical Symbols
Signifies that the instrument is protected by double or reinforced insulation.
CAUTION - Risk of Danger! Indicates a WARNING and that the operator must
refer to the user manual for instructions before operating the instrument in all
cases where this symbol is marked.
Risk of electric shock. The voltage at the parts marked with this symbol may
be dangerous.
Ground/Earth
Important instructions to read and understand completely.
Important information to acknowledge.
Battery
Fuse
USB socket
Compliance with the Low Voltage & Electromagnetic Compatibility European
directives (73/23/CEE & 89/336/CEE)
In the European Union, this product is subject to a separate collection system
for recycling electrical and electronic components In accordance with directive
WEEE 2002/96/EC
1.2 Definition of Measurement Categories
CAT II: For measurements performed on circuits directly connected to
the electrical distribution system. Examples are measurements on
householdappliancesorportabletools.
CAT III:
Formeasurementsperformedinthebuildinginstallationatthedistri-
butionlevelsuchasonhardwiredequipmentinxedinstallationand
circuitbreakers.
CAT IV: For measurements performed at the primary electrical supply
(<1000V)suchasonprimaryovercurrentprotectiondevices,ripple
controlunits,ormeters.
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Digital Transformer Ratiometer DTR
®
Model 8510
5
1.3 Receiving Your Shipment
Uponreceivingyourshipment,makesurethatthecontentsareconsistent
withthe packinglist. Notifyyour distributor ofany missingitems. Ifthe
equipmentappearstobedamaged,leaclaimimmediatelywiththecar-
rierandnotifyyourdistributoratonce,givingadetaileddescriptionofany
damage.Savethedamagedpackingcontainertosubstantiateyourclaim.
1.4 Ordering Information
Digital Transformer Ratiometer DTR®Model 8510 ......... Cat. #2136.50
Includes NiMH batteries (installed), 115V power cord, set of two 15 ft leads, 10 ft USB cable,
external battery charger (90-264VAC 50/60Hz), soft carrying case, DataView®software, and
a user manual.
1.4.1 Accessories and Replacement Parts
Fuse-setof5,0.5A250V(5x20mm,SlowBlow) ............... Cat. #2118.53
Fuse-setof5,4A125V(5x20mm,SlowBlow) .................. Cat. #2118.55
Lead-Setof2,30ft............................................................ Cat. #2136.76
Lead-ReplacementSetof2,15ft...................................... Cat. #2136.77
Battery-ReplacementSetof2,12VNiMHrechargeable... Cat. #2136.78
ReplacementBatteryCharger............................................. Cat. #2136.79
ReplacementUSBCable,10ft............................................Cat. #2136.80
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6
Digital Transformer Ratiometer DTR
®
Model 8510
CHAPTER 2
PRODUCT FEATURES
2.1 Description
The Digital Transformer Ratiometer DTR® Model 8510 is a lightweight,
rugged,portableinstrumentdesignedforonsitetestingofpower,potential
andcurrenttransformers.
OperationoftheDTR®8510isfullyautomatic.Nousercalibration,range
selection,handcrankingortediousbalancingisrequired.
During each test cycle, the DTR®8510 automatically checks for:
• H/Xleadreversal
• Continuityoftestedcircuits/windings(ifcongured)
• Shortcircuitconditions(highcurrent)
Upon completion of a test cycle, the DTR®8510 displays:
• Turns Ratio:Theratiooftheprimarytosecondaryvoltageatthe
transformerterminalsduetotestexcitation
• Excitation Current: TheRMSexcitationcurrentintheHwinding
duetotestexcitationduringnegligibleloadingoftheassociated
Xwinding
• Polarity:Indicatesthepolarity(phase)ofXrelativetoH
• Deviation: Indicatesthedeviationfromnameplateratioin%
TurnsRatio,ExcitationCurrent,PolarityandDeviationareusefulparam-
etersindiagnosingandpredictingavarietyoffaultsthatoccurinpower,
potentialandcurrenttransformers.
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Digital Transformer Ratiometer DTR
®
Model 8510
7
The DTR®8510 will display the following messages:
• IncorrectLeadConnections
• H/XReversal(accidentalstep-upmisconnection)
• Short(excessexcitationcurrent)
• OpenCircuits
• CircuitContinuity
• LowBattery
Inaddition,theDTR®8510allowstheusertostorethedatainautomatic
ormanualmodeaftereachtesteliminatingtheneedtowritedownthetest
results. Each measurement record is date and time stamped providing
completetestinformation.
TheusercanalsosaveNameplatevoltagesandcomparetheresultsas
thedataisbeinggathered.ThedatacanlaterbedownloadedtoaPCand
analyzedusingtheDataView®softwarepackagewhichisincludedwith
theproduct.
DataView®allowsfullcontroloftheinstrument.
The DTR®8510 utilizes an advanced, low-voltage, step-down measure-
ment technique in which the high voltage “H” windings are subjected to
test excitation. This results in greater operator safety and the ability to
test a much wider array of transformer types and sizes.
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8
Digital Transformer Ratiometer DTR
®
Model 8510
2.2 Control Features
50V CAT IV
OFF/
CHARGE
ON
ENTER
MEM
TEST
CONTRAST
DIGITAL TRANSFORMER RATIOMETER
DTR®MODEL 8510
USE SPECIFIED
CHARGER ONLY
USE ONLY ON DE-ENERGIZED TRANSFORMERS
H
X
5
2
1
3
4
6
7
8
10
11
9
1. Display: Displaysdata,statusandcontrolfeaturesoftheinstrument.
2. USB Connector: Allowsconnectiontoacomputerforinstrument
congurationset-upandstatuscheck,downloadingofthestored
datausingtheDataView®softwareandrunningatest..
3. High-side “H” Cable Connector (primary):Connectionforthe
primarysideofthetransformer.
4. Low-side “X” Cable Connector (secondary):Connectionforthe
secondarysideofthetransformer.
5. Battery Charge Input Connector:Allowsthesmartchargerto
chargethebatteries.
6. Power Switch: TurnstheinstrumentONorOFF(ifthechargerisnot
connected).Ifthechargerisconnected,thebatterieschargeinOFF/
CHARGEposition.
7. Operation and Battery Low Indicator: GreenLEDindicatesthat
theinstrumentisonandblinkswhenthebatteriesaregettinglow
(<12V).Theinstrumentwillcompletelyshutdownwhenthebatteries
arebelow8.7V.
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