AEMC instruments 8510 User manual

DIGITAL TRANSFORMER
RATIOMETER (DTR®)
E N G L I S H User Manual
8510
www. .com [e-mail]1.800.561.8187

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 .
Serial #: ________________________________
Catalog #: 2136.50
Model #: 8510
Please fill in the appropriate date as indicated:
Date Received: _________________________________
Date Calibration Due: _______________________
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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DenitionofMeasurementCategories .....................................4
1.3ReceivingYourShipment..........................................................5
1.4OrderingInformation.................................................................5
1.4.1AccessoriesandReplacementParts............................5
2. PRODUCT FEATURES......................................................................... 6
2.1Description................................................................................6
2.2ControlFeatures .......................................................................8
2.3CableIdentication ...................................................................9
3. SPECIFICATIONS............................................................................. 10
3.1 DTR®8510Specications.......................................................10
3.2BatteryChargerSpecications ...............................................12
4. DISPLAY FUNCTIONS....................................................................... 13
4.1 ProgramFlow .........................................................................13
4.2TopLevelMenu ......................................................................13
4.3 CongureInstrument ..............................................................14
4.3.1SetClock ....................................................................16
4.3.2SetupNameplate ........................................................17
4.3.3SelectTestType..........................................................20
4.3.4 Select Test Mode ........................................................20
4.3.5SelectStorageMode ..................................................21
4.3.6 Select Filter.................................................................22
4.3.7 Erase Memory.............................................................23
4.3.8SelectLanguage.........................................................24
4.3.9RestoringFactoryDefaults .........................................25
4.4 Recall Data .............................................................................26
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2 Digital Transformer Ratiometer DTR
®
Model 8510
5. OPERATION..................................................................................... 28
5.1PowerUp ................................................................................28
5.2RunningaTest........................................................................29
5.2.1VT/PTTest ..................................................................29
5.2.2StoringtheMeasurementRecord...............................31
5.2.2.1ManualMode........................................................31
5.2.2.2AutoMode ............................................................32
5.2.3VT/PTExcitationCurrent ............................................32
5.2.4VT/PTContinuityTest .................................................33
5.2.5CTTest........................................................................33
5.3TipsforMakingPreciseRatioMeasurements ........................35
5.4 Ratio Test - 1:1 .......................................................................36
6. CONNECTIONS ................................................................................ 37
6.1ConnectionDiagrams .............................................................37
6.2PolyphaseConnections..........................................................38
7. DATAVIEW®SOFTWARE................................................................... 39
7.1InstallingDataView®................................................................39
7.2Opening theControlPanel .....................................................41
7.3UsingtheControlPanel..........................................................42
7.4ConguringtheDTR®8510 ....................................................44
7.5RunningaTest........................................................................47
7.6Downloading aTest ................................................................48
7.7SavingtheMeasurementRecords .........................................49
7.8ReportGeneration ..................................................................49
8. MAINTENANCE................................................................................ 51
8.1ChargingtheBatteries ............................................................51
8.2 Cleaning..................................................................................54
APPENDIX: DISPLAY MESSAGES......................................................... 55
RepairandCalibration ....................................................................58
TechnicalandSalesAssistance......................................................58
Limited Warranty .............................................................................59
WarrantyRepairs ............................................................................59
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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
personnelandproperoperationoftheinstrument.
• Thisinstrumentisprotectedfromaccidentalvoltagesofnot
morethan50Vwithrespecttoearth.Theguaranteedlevelof
protectionofthisequipmentmaybecompromisedifusedina
mannernotspeciedbythemanufacturer.
• Readtheinstructionmanualcompletelyandfollowallsafety
informationbeforeattemptingtouseorservice thisinstrument.
• TheDigitalTransformerRatiometerDTR®Model 8510 is
designedforuseonde-energized (“dead”) transformersonly.
MakesurethetestsampleiscompletelydisconnectedfromAC
powerandisfully discharged.
• OnlyqualiedpersonnelshouldusetheDTR®8510 .
• TheDTR®8510mustnotbeusedinamannerinwhichanyof
itscomponents(includingtestcables)arereliedupontoprovide
protectionfromelectricshock.Nohighvoltageinsulation/
protectionisprovidedbyanycomponentoftheDTR®8510.
Always make sure the circuit is fully discharged before
attaching any test cables.
• Donottouch,adjust,orrepositiontestcableswhiletheDTR®is
conductingatest.
• Usecautiononanyapparatus:potentiallyhighvoltagesand
currentsmaybepresentandposeashockhazard.
• Safetyistheresponsibilityoftheuser.
• Onlyusethechargingunitsuppliedwiththeinstrumentto
rechargethebattery.
• NeveropentheinstrumentwhileitisconnectedtoACpower
orwhentestcablesareconnectedtotransformers,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 IV: Formeasurementsperformedattheprimaryelectricalsupply
(<1000V)suchasonprimaryovercurrentprotectiondevices,ripple
controlunits,ormeters.
CAT III:
Formeasurementsperformedinthebuildinginstallationatthedistri-
butionlevelsuchasonhardwiredequipmentinxedinstallationand
circuitbreakers.
CAT II: Formeasurementsperformedoncircuitsdirectlyconnectedto
theelectricaldistributionsystem.Examplesaremeasurementson
householdappliancesorportabletools.
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Digital Transformer Ratiometer DTR
®
Model 8510 5
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
equipmentappearstobedamaged,leaclaimimmediatelywiththecar-
rier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
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-setof5,0.5A250V(5x20mm,SlowBlow) ............... Cat. #2118.53
Fuse-setof5,4A125V(5x20mm,SlowBlow) .................. Cat. #2118.55
Lead-Setof2,30ft............................................................Cat. #2136.76
Lead-ReplacementSetof2,15ft......................................Cat. #2136.77
Battery-ReplacementSetof2,12VNiMHrechargeable... Cat. #2136.78
ReplacementBatteryCharger.............................................Cat. #2136.79
ReplacementUSBCable,10ft............................................Cat. #2136.80
Powercord115V .................................................................Cat. #5000.14
Order Accessories and Replacement Parts Directly Online
Check our Storefront at for availability
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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,portableinstrumentdesignedforonsitetestingofpower,potential
andcurrenttransformers.
OperationoftheDTR®8510isfullyautomatic.Nousercalibration,range
selection,handcrankingortediousbalancingisrequired.
During each test cycle, the DTR®8510 automatically checks for:
• H/Xleadreversal
• Continuityoftestedcircuits/windings(ifcongured)
• Shortcircuitconditions(highcurrent)
Upon completion of a test cycle, the DTR®8510 displays:
• Turns Ratio:Theratiooftheprimarytosecondaryvoltageatthe
transformerterminalsduetotestexcitation
• Excitation Current: TheRMSexcitationcurrentintheHwinding
dueto testexcitationduringnegligibleloadingoftheassociated
Xwinding
• Polarity:Indicatesthepolarity(phase)ofXrelativetoH
• Deviation: Indicatesthedeviationfromnameplateratioin%
TurnsRatio,ExcitationCurrent,PolarityandDeviationareusefulparam-
etersindiagnosingandpredictingavarietyoffaultsthatoccurinpower,
potential andcurrenttransformers.
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Digital Transformer Ratiometer DTR
®
Model 8510 7
The DTR®8510 will display the following messages:
• IncorrectLeadConnections
• H/XReversal(accidentalstep-upmisconnection)
• Short(excessexcitationcurrent)
• OpenCircuits
• CircuitContinuity
• LowBattery
Inaddition,theDTR®8510allowstheusertostorethedatainautomatic
ormanualmodeaftereachtesteliminatingtheneedtowritedownthetest
results.Eachmeasurementrecordisdateandtimestampedproviding
completetestinformation.
TheusercanalsosaveNameplatevoltagesandcomparetheresultsas
thedataisbeinggathered.ThedatacanlaterbedownloadedtoaPCand
analyzedusingtheDataView®softwarepackagewhichisincludedwith
theproduct.
DataView®allowsfullcontroloftheinstrument.
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: Displaysdata,statusandcontrolfeaturesoftheinstrument.
2. USB Connector: Allowsconnectiontoacomputerforinstrument
congurationset-upandstatuscheck,downloadingofthestored
datausingtheDataView®softwareandrunningatest..
3. High-side “H” Cable Connector (primary):Connectionforthe
primarysideofthetransformer.
4. Low-side “X” Cable Connector (secondary):Connectionforthe
secondarysideofthetransformer.
5. Battery Charge Input Connector:Allowsthesmartchargerto
chargethebatteries.
6. Power Switch: TurnstheinstrumentONorOFF(ifthechargerisnot
connected).Ifthechargerisconnected,thebatterieschargeinOFF/
CHARGEposition.
7. Operation and Battery Low Indicator: GreenLEDindicatesthat
theinstrumentisonandblinkswhenthebatteriesaregettinglow
(<12V).Theinstrumentwillcompletelyshutdownwhenthebatteries
arebelow8.7V.
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Digital Transformer Ratiometer DTR
®
Model 8510 9
8. Display Contrast Adjustment: Allowsadjustmentofthedisplay
contrast.
9. Function Keys:Allowsnavigationofthemenuandfunctionsofthe
instrument.
10. Backlight ( ) Control Button:TurnsthedisplaybacklightONor
OFF.
11. Test Button: Runstheselectedtestwhenpressedandreleased.
2.3 Cable Identification
H CABLE SET
RED INLINE PLUG
BLACK INLINE PLUG
"H" IDENTIFIER
5 PIN
CONNECTOR
"H" IDENTIFIER
X CABLE SET
RED INLINE PLUG
BLACK INLINE PLUG
"X" IDENTIFIER
3 PIN
CONNECTOR
"X" IDENTIFIER
H
H
XX
Primary (H) Cable:
Secondary (X) Cable:
Eachcableisclearlymarked.ThePrimary(H)cablehasa5-pinconnector
andtheSecondary(X)cablehasa3-pinconnector.Theycannot
inadvertently be connected incorrectly.
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10 Digital Transformer Ratiometer DTR
®
Model 8510
CHAPTER 3
SPECIFICATIONS
Reference Conditions: 23°C±5°C(30to50%RH)range.Add25 ppm / °Cfrom-10°to
18°Cand28°to50°Ctoallaccuracyspecications.Noexternalelectricalormagneticelds.
Outputcurrent≤150mAforVT/PTand≤50mAforCT.Calibrationcycleis1year.
3.1 DTR®8510 Specifications
DTR®8510
ELECTRICAL
Ratio Range (VT/PT) Autoranging: 0.8000 to 8000:1
Accuracy (VT/PT) Ratio Range Accuracy (% of Reading)
0.8000 to 9.9999 ± 0.2%
10.000 to 999.99 ± 0.1%
1000.0 to 4999.9 ± 0.2%
5000.0 to 8000.0 ± 0.25%
Ratio Range (CT) Autoranging: 0.8000 to 1000.0
Accuracy (CT) Ratio Range Accuracy (% of Reading)
0.8000 to 1000.0 ± 0.5%
Excitation Signal VT/PT Mode: 32Vrms max
CT Mode: Auto Level 0 to 1A, 0.1 to 4.5Vrms
Excitation Current
Display
Range: 0 to 1000mA
Accuracy: ± (2% of Reading + 2mA)
Excitation Frequency 70Hz
Display Dual line alpha-numeric LCD, 16x2 characters with contrast
adjustment and backlight control. Day/night visible.
Measurement Method In accordance with IEEE Std C57.12.90™-2006
Power Source Two 12V, 5x2, 1650mAH NiMH rechargeable battery packs
Battery Life Up to 10 hrs of continuous operation. Low battery indication.
Battery Charger Universal input (90 to 264Vrms input) smart recharger
Charging Time <4 hrs
Data Storage 99 objects with 99 tests each
Date/ Time Battery-backed, Real-time clock
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Digital Transformer Ratiometer DTR
®
Model 8510 11
Communication USB. 2.0 compliant, optically isolated, 115.2 KB
Software DataView®analysis software included
MECHANICAL
Dimensions 10.70 x 9.76 x 5.12" (272 x 248 x 130 mm)
Weight 8.1 lbs (3.7kg)
Connection XLR connectors
Leads 15 ft (4.6m) H & X shielded with large color-coded
industrial alligator clips in carrying bag
Enclosure Heavy duty Polypropylene case, UL 94 V0
Vibration IEC 68-2-6 (1.5mm to 55Hz)
Shock IEC 68-2-27 (30G)
Drop IEC 68-2-32 (1m)
Index of Protection IP 40 (Instrument lid open) per EN 60529
IP 53 (Instrument lid closed) per EN 60529
ENVIRONMENTAL
Operating Temperature 14° to 122°F (-10° to 50°C)
Storage Temperature -4° to 140°F (-20° to 60°C)
Relative Humidity 10 to 85% RH @ 35°C
Altitude Up to 2000 meters (6560 ft)
SAFETY
Safety Rating EN 61010-1; 50V CAT IV; Pollution Degree 2
Double Insulated Yes
Specications are subject to change without notice.
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12 Digital Transformer Ratiometer DTR
®
Model 8510
3.2 Battery Charger Specifications
DTR®8510 BATTERY CHARGER
ELECTRICAL
No-load Voltage 41V ±2V
Fast Charge Current 0.9A ±70mA
Top-off Charge 130mA ±40mA
Charge Termination Options -dV, dT/dt
Input Rating 90 to 264VAC /47 to 63Hz
Maximum Output Power 35W
Trickle Charge Current 50mA ±25mA
Leakage Current
(from battery with mains off) <1mA
MECHANICAL
Dimensions 4.22 x 2.64 x 1.44" (107 x 67 x 36.5mm)
Weight 0.55 lbs (250g)
Input Connection 2-pin IEC 320-C7
Output Connection NiMH: 3 PIN DIN
ENVIRONMENTAL
Operating Temperature -4° to 104°F (-20° to 40°C)
SAFETY
Insulation Class II
Electrical Safety Approval EN 60601-1, EN 60950, EN 60335-2-29
EMC Standards EN 61000-6-3 (Emission), EN 61000-6-1 (Immunity)
Specications are subject to change without notice.
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Digital Transformer Ratiometer DTR
®
Model 8510 13
CHAPTER 4
DISPLAY FUNCTIONS
4.1 Program Flow
Inordertousetheinstrumenteciently,itisimportanttounderstandthe
programow.
• Pressingthe▼and▲keyssimultaneouslyallowsgoingupone
level(ifthereisalevel)intheprogramow.
(Verticalnavigationmovingupalevel).
• Pressingthe▼or▲keyallowsnavigationwithinthelevel.
(Horizontalnavigation).
• PressingtheENTERkeyallowstheselectionanddisplayofchoices
onelevelbelow(ifthereisalevel)intheprogramow.
(Verticalnavigationmovingdownalevel).
4.2 Top Level Menu
TheinstrumenthasatoplevelcontrolasshowninFig.4-1.
Theusercannavigatearoundtheringbypressingthe▼or▲key.
Main Screen
Recall Data
Configuration
Figure 4-1
Oncetheinstrumentisturnedon,itinitializesandthendisplaystheMain
Screen:
Figure 4-2
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14 Digital Transformer Ratiometer DTR
®
Model 8510
• Main Screen: DisplaystheTestType,TestMode,Filter[Fast(F),
Normal(N)orSlow(S)],StorageMode[Auto(A)orManual(M)]and
thePresentNameplatevalues(ifenabled).
• Congure Instrument: Congurestheinstrument(see§4.3).
• Recall Data: Storeddatacanbeselectedanddisplayed(see§4.4).
NOTE: The program flow is two or three levels deep at various points.
The available choices for a level can be viewed by pressing the ▼ or
▲keys.
TheENTERkeyisusedtoselectthefollowingfunctions:
• Entercongurationmenu.
• EnterRecallDatamenu.
• Initiatestorageoftestresults,acceptlocationparametersandstore
theMeasurementRecord.
4.3 Configure Instrument
Withthedisplayshowing Congure Instrument, presstheENTERkey.
Thecongurationring(seeFigure4-4)canbenavigatedaroundusingthe
▲or▼key.
Figure 4-3
• Set Clock: AllowsthesettingofTimeandDate.
• Setup Nameplate: AllowsselectionandeditingofPresent
Nameplatevoltagesorratios.Predenedratioscanonlybeedited
throughDataView®.
• Select Test Type: AllowstheselectionofTestType(VT/PTorCT).
• Select Test Mode: AllowsselectionoftheTestMode(Ratioor
Continuity/RatioinVT/PTMode).
• Select Storage Mode: Allowstheselectionofdatastoragemode
(AutomaticorManual).
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Digital Transformer Ratiometer DTR
®
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• Select Filter: Allowsselectionoflter(Fast,Normal,Slow).
See§4.3.6.
• Erase Memory: Allowsdeletionofallthestoredmeasurement
records
• Select Language: Allowsselectionoflanguageonthedisplay
(English,French,German,Italian,Spanish,Portuguese)
NOTE: To move one level up and return to Configure Instrument, press
the ▼ ▲ keys simultaneously.
Set
Clock
Select
Storage Mode
Setup
Nameplate
Select
Language
Select
Test Type
Erase Memory
Select
Test Mode
Select
Filter
Figure 4-4
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16 Digital Transformer Ratiometer DTR
®
Model 8510
4.3.1 Set Clock
1. WithinthetoplevelofCongure Instrument,pressthe▼or▲key
untilSet Clock appearsonthedisplay,thenpressENTER.
Figure 4-5
TheSet Clock congurationallowsyoutoformatthefollowing:
Date Format:Allowstheformattingofthedate.
(MM/DD/YY,DD/MM/YY,YY/MM/DD).
Figure 4-6
Time Format:Allowstheformattingofthetime(12or24hours).
Figure 4-7
Set Date and Time:Allowsthesettingofthedateandtimeintheselected
format.
Note: Timemustbesetinthe24-hourformat.ItwillbedisplayedwithAM/
PMifthe12-hourformatischosen.
Figure 4-8
Example: Tosetthetimeto2:50PM,setthehourto14andtheminutes
to 50.
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Digital Transformer Ratiometer DTR
®
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Tomaneuverbetweenthe Set Clockcongurationsettings,performthe
following:
1. WithinthetoplevelofCongure Instrument,pressthe▼or▲key
untilSet Clockappearsonthedisplay,thenpressENTERtocongure
thedate.
2. Usethe ▼ or ▲ keystoviewthechoices.PressENTERtomake
aselection.Oncetheformatisselected,thedisplayreturnstoDate
Format.
3. Usethe ▼or▲keystonavigatetotheotherdateandtimeoptionsor
pressboth▼▲keystogetherto returntothetoplevel.
4.3.2 Setup Nameplate
Nameplatevaluesareprimaryandsecondaryvoltages(orratios)associated
withagiventransformer.ThisinformationisavailableontheNameplate
ofthetransformer.Themeasuredresultswillbecomparedwithselected
(edited)NameplatevaluesandDeviationwillbedisplayedandstoredin%
relativetothesevalues.
TheDTR®8510allowsthestorageof10Nameplatevoltagesorratios
whichcanbeindividuallyselectedforagiventest.
NOTE:
• TheNameplatelistofupto10transformerscan bewrittentoand
savedonlyusingDataView®software.Thevaluesinthelistcan
beeditedforusebutcannotbesavedfromthefrontpanel.
• Thekeysonthefrontpanelcanselectanyoneofthe10
transformerNameplatevalues.Oncethetransformervalues
areselected,theycanbeeditedtoanewvalueusingthe▼,
▲andENTERkeys.Whenthenewvaluesareselected(even
iftheyarenoteditedtonewvalues),itbecomesthePresent
NameplateandwillbeusedforallsubsequentVT/PTandCT
measurements.Deviationwillbereportedandstoredusingthese
values.
• ThePresentNameplatevalueswillberetainedinmemory even
iftheinstrumentisturnedOFFandturnedON. However,itwill
notbesavedinthelistfromwhichitwasoriginallyselected.
• TheusercanselectanotherNameplatefromthelistinthe
futureandmayormaynoteditthevalues.Assoonasthenew
Nameplatevaluesareselected(and/oredited),itbecomesthe
newPresentNameplate.
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18 Digital Transformer Ratiometer DTR
®
Model 8510
• ThePresentNameplatevaluesaredisplayedintheMain
Screen.
• EachMeasurementRecordwillrecordthePresentNameplate
alongwithotherassociatedparametersandwillbeavailable
whenthedataisdownloaded.
• TheRatioofthenameplatevaluesmustbebetween1and
32767.
• TheNameplateneedstobeenabled.IftheNameplateis
notenabled,theDeviation%willnotbereportedafterthe
measurements.Subsequently,thestoredvalueswillnothave
NameplateandDeviation%intheMeasurementRecord.
NOTE: The Main Screen will display the Present Nameplate only if
it is Enabled. If it is not Enabled, it will display "---" for Primary and
Secondary.
To congure the settings for the Nameplate, perform the following:
1. WithinthetoplevelofCongure Instrument,pressthe▼or▲key
untilSetup Nameplate appearsonthedisplay,thenpressENTER.
Figure 4-9
2. ThedisplaywillshowEnablewithYes and Nochoices.Pressthe▼
keytoselectYes(EnableNameplate).
Figure 4-10
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