HDE DVI-100 Instruction Manual

Kilo voltímetros medidores de alto voltaje alta tensión digitales DVI-100/K02 HD-ELECTRIC manual ingles www.viaindustrial.com
DIGITAL VOLTAGE
INDICATORS
a n d ACC E S SO R I E S
Operating & Instruction Manual
DVI-100
DVI-500

Kilo voltímetros medidores de alto voltaje alta tensión digitales DVI-100/K02 HD-ELECTRIC manual ingles www.viaindustrial.com
D I G I TA L V O LTAG E I N D I C ATO R S
DESCRIPTION
TheDigitalVoltageIndicators,DVI-100 and DVI-500,
are direct contact digitalvoltage indicators foroverhead
and underground power distribution systems up to
500kVline-to-ground (870kVline-to-line).The display
isauto-rangingand indicatesfrom0.1kV(100volts)
to9.9kVand from10kVto 99kVforthe DVI-100and
to500kVforthe DVI-500. An audible alarmbeeps
whenever the indicated voltage is 0.1kVorhigher.
Therearetwoversions available of each model.
TheDVI-100 and DVI-500 indicatevoltage bydirectly
contacting conductors on overhead and underground
systems.TheDVI-100Tand DVI-500TwithTestPoint
mode also indicatevoltage on elbowtest points.
An optional underground probeisavailable for
underground or pad mount applications, or for
anyapplication upto 21kVline-to-ground where
the DVI willbe used in close proximityto grounded
conductors orsurfaces.
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SAFETY
• Onlytrained,professionaloperatingpersonnelshould
usethe DVI.Thevoltagesthisinstrumentoperatesatare
dangerousand lethal.Severeinjuryordeath canoccur
ifimproperlyused.
• Riskofelectrocutionisinherentinoraroundhighvoltage.
• Alwaysuseproperhigh voltageprocedures,including
personalprotectiveequipment,when workingnearor
aroundhighvoltageequipmentorconductors.
• Donotexceedthe DVI maximumvoltagerating.
• Assemblethe DVI withthe propercontactprobe
foryourapplication.
• The DVI must beusedwithahotstickofthe
appropriatelengthforthe voltagebeingmeasured
per yourcompanyand OSHApublished requirements.
• Donottouchthe DVI duringmeasurements.The DVI
housingshouldbeconsideredtobeatthesame
voltageasthe conductorundertest.
• Priortousing,inspecttheinstrumentforanyphysical
damage, cleanlinessand checkforproperworkingorder
bypressingand holdingthe ONbutton.Donotproceed
ifthe displaydoes notindicateall8’sorifthe beeper
does notsound.
• Neverallowanother highvoltageorgrounded
conductorto contactthe instrumentduringuse.Keep
the DVI housingfreeand clearofallstructuresatalltimes.
Bridgingthe DVI probeorhousingfromline-to-ground
orline-to-linemaycauseafaultand arc.
• The DVI does notindicatevoltagesbelow100volts.
Alwaysuseproper groundingprocedures.Azero
These important labels are
affixed to the products.
Read and understand
before proceeding.
DVI-100
DVI-100T
DVI-500
DVI-500T
voltagereadingonthe DVI does not mean the line
isdead orgrounded.
• Groundedequipment orlinescanappeartobelive
when incloseproximitytoenergizedconductorsif
notfullyorproperlygrounded.
• Alwaystestthe DVI onaknownvoltagesource
beforeand aftereach use,orusethe PT-DVIProofTester.
• The DVI is a voltage indicator, not a voltmeter. Donotattempt to makeaccurate
voltagemeasurementsforphasingorother applicationswiththe DVI.
• The DVI isadirectcontactdevice.Themetalportionofthe DVI probemust contactthe
metalconductorto betested.Voltageindicationoninsulatedconductorssuchastree
wireorspacerwirewillbemuch lowerthan actualand maynotindicateanyvoltageatall.
• DVI voltagereadingsaresensitivetogeometry. Readandunderstandthe Accuracy
sectionofthismanualbeforeusingtheDVI.
• The DVI indicates AC voltageonly.ItdoesnotdetectDCvoltagesuchascharged
capacitorsorcable.
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HOWTO USEIT
Test the DVI battery and display by pressing and holding the ON button. Verifythat
the display reads all 8’s and the beeper sounds. If needed, replace the 9V battery with
an alkaline or lithium type.
Installtheappropriateprobesecurelyto theDVI.Usethe overhead hookprobes,the smaller
hookcanbeusedupto99kVandthelargerhook100kVandabove,foroverheadapplications
withclearancesufficienttokeep the DVI housingawayfromanyotherliveorgrounded
conductor.Usethe optionalinsulatedunderground probeforunderground orpad mount
applicationsincludingloadbreakbushings,metalcladswitchgearoranyotherapplications
wheregroundedorother liveconductorsmaybeincloseproximitytothe conductorbeing
tested.Someoverheadapplicationssuchasfusecutouts,switches,disconnects,terminations
ormeasurements made nearapoleorcrossarmmaycallforuse ofthe underground probe
due to the close proximity of grounds. Never allow the DVI to bridge between two
energized conductors or from an energized conductor to ground.
Always install the DVI on ahotstick with length appropriate for the voltage to be
measured bywayof the built-inuniversalspline,making certain itis securelyattached.
Test the DVI on aknown voltage source before and after each use, such as the
PT-DVIProof Tester.
Applythe DVI probe to the conductor to be tested making sure to make metal to
metal contact.
All readings are in kV.Voltages below 0.1kV(100V) may indicate zero. Azero
voltage reading does not mean the line is dead or grounded. Voltage in excess
of 99kVline-to-ground for the DVI-100 and in excess of 500kV for the DVI-500
willcause the display to flash and may damage the unit.
ACCURACY
The DVI indicates voltage based on the electric field strength surrounding aconductor.
Electric field strength can be greatly influenced bythe geometry of aconductor and
the presence of other nearby conductors. For best accuracy, keep the DVI at least three
feet (one meter) away from inside or outside corners or points and position the face of
the DVI away from other live conductors and towards ground. The following guidelines
may be helpful:
• The DVI may read up to 25% higherthan actual voltagewhen placed on outside
corners orpoints.
• The DVI may read up to 25% lowerthan actual voltage when placed oninsidecorners.
• The DVI may read up to 25% higherthan actual voltageif measurements are taken
with aground in closeproximity.
• The DVI may read up to 25% higher or lower if other phases are nearby,
such as from an overbuild.
• When checking for voltages on conductors believed to be grounded, make the
measurement and keep the DVIas far away as possible from energized conductors
and position the face of the DVItowards ground. When checking pole guy wires,
make the measurement as close to ground as possible.
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Forbest overall accuracy,the
followingguidelines maybe helpful:
Bestoverallaccuracyis with
asingle energized conductor(Fig.1),
midspan withno nearbygrounds.
Expected accuracyis +/-3%.
In atypical overhead three
phase systemwith horizontal
spacing, the best accuracyis
onthe two outside conductors (Fig.2).
Expected measurement accuracy
onthe two outside conductors is +/-5%
On the center conductor,
expected accuracyis +/-10%.
In more complex situations with
transmission orother higher voltage
overbuild, accessoryhardware
such asfuses ordisconnects orfor
measurements made onpoints such
asterminations orendpoints, best
accuracyiswith the DVI as faraway
aspossible fromother liveconductors
orgrounds, awayfrompoints or
corners and facingthe ground (Fig.3 & 4).
Expected overallaccuracyis +/-25%.
Formeasurements made on
grounded conductors,keep the
Fig. 1
Fig. 2
Fig. 3
DVI as farawayas possiblefrom
energized conductors and face
the DVI towards ground (Fig.5).
Readings on grounded conductors
with nearbyenergized conductors
mayindicate0.1to 0.2kVormore.
Fig. 4
Forbest accuracywith readings on
pad mount equipment, livefront(shown)
ordeadfront, keep the DVI housing
clearof adjacent grounds (Fig.6).
DVI with IEP-DVI-5probe shown.
Expected overallaccuracyis +/-10%.
Fig. 5
Fig. 6
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INDICATING VOLTAGE ON ELBOW TEST POINTS
DVI 100T AND DVI 500T ONLY
The DVI-100T and DVI-500T can be set to indicate voltages on elbow test points. For
checking elbows and all other pad mount or underground equipment, first install the
IEP-DVI-5underground probe.
Forcheckingelbowtestpointvoltages,turn the DVI onbypressing the ON button. Pressthe
ON button againfortestpointmode,indicatedbytheflashingdecimalpoint.
Allelbowtestpointvoltageindicationsarein kV, calibratedforline
voltage.Forexample,anelbowenergizedat7.2kVwillindicate7as
shownhere.Expectedaccuracyis+/-10%.Variationsamong elbows
fromdifferentmanufacturersorvintagescan beasmuch as+/-25%.
To canceltestpointmode,pressthe ON button again.Testpointmode
Flashing Decimal Point
willbeautomaticallycancelledifthe indicatedvoltagesexceeds99kV.
ACCESSORIES
IEP DVI 5 UNDERGROUND BUSHING PROBE
TheIEP-DVI-5UndergroundBushingProbeisdesignedfordirectinsertioninto
exposed15,25or35kVloadbreakbushings(afterconnectingelbowshavebeen
removedand properlystored).Theprobemustbeinserteddirectlyintothe bushing
and remainfreeand clearofallsurroundingsurfaces.Itisratedforuseupto 21kV
line-to-ground.Thisprobeshouldalsobeusedinmetalcladswitchgearoranyother
applicationswheregroundedorotherliveconductorsmaybein closeproximityto
the conductorbeingtested.To assemblethe IEP-DVI-5probeonthe DVI:
1. Inspectthe IEP-DVI-5probeforanymechanicaldefects
and makecertainitiscleanand dry.
2. Screwthe IEP-DVI-5intotheDVI.Makecertainitissnug
byhand tightening,but DONOT OVERTIGHTEN.
3. Testthefullyassembled DVI onaknownvoltagesource,
suchasthe PT-DVIProofTester,priortousing.
PT DVI PROOF TESTER FOR DVI VOLTAGE INDICATORS
The PT-DVI ProofTesterisforuseonthe DVI withanyavailableprobes.Thistester
generateshighvoltage AC fortestingthe DVI. To use,turnonthe DVI, holdthe
Testerinonehandandthe DVI intheother.Applythe DVI probetothemetal
end plateontheTester.Pressandholdthe TEST buttonontheTester.Aproperlyoperating
DVI willindicateavoltageof0.2-0.5kVdependingonhowthe DVI andTesterareheld.For
bestresults,holdbothunitswithatightgripandwrapyourfingersaroundeachunit.Ifthe
DVI doesnotindicatevoltage,donotuseitandreturnittoHDElectricCompanyforservice.
CAUTION: This Testergenerateshighvoltage AC fortesting DVI AC voltageindicators.
Thereisnodangerofelectricshockwhenthistesterisusedasdirected.Discontinueuse
and returntoHDEforserviceifthehousingiscrackedorbroken,orifthe batterycoverislost.
WARNING: Donotusethistesterexceptasdirected.Donot usetotest equipment other
than specified DVI VoltageIndicators.Donotapplytoenergizedcircuitsorequipment.
DonotoperatethisTesterwithoutthe batterycoverand donotopen thehousing.Refer
allservicingtothe factory.Failuretofollowtheseinstructionsmayleadto electricshock,
severeinjuryordeath.
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OTHER ACCESSORIES
TheDVI-100 comes standard with (1)HP-DVI-2smalloverhead hook probeand aCS-DVI
carrying case.TheDVI-500comes standard with (1)HP-DVI-2smalloverhead hook probe,
(1)HP-DVI-6largeoverhead hook probeand aCS-DVI-5carrying case.Both casescan
accommodate the IEP-DVI-5underground bushing probe, the PT-DVIProofTesterand a
spare 9V battery.
ADAPTER FOR SHOTGUN STICK HSA 2500
HOTSTICKS
Arange of hotsticks are availablein lengths
starting at 4’.Contact HD Electricformore details.
SPECIFICATIONS
MODEL NUMBER: DVI-100, DVI-100T,
DVI-500 and DVI-500T
HP-DVI-6
HSA-2500
HP-DVI-2
OPERATING VOLTAGE DVI-100: 0-99kV(0.1kV-9.9kVand 10kV-99kV)
RANGES: DVI-500: 0-500kV(0.1kV-9.9kVand 10kV-500kV)
OPERATING FREQUENCY: 60Hz(50Hzavailable)
OPERATING TEMPERATURE RANGE: -40Fto +120F(-40°to 49°C)
DIMENSIONS: Displayhousing:4.25”H x7”Wx4.5”D (11cmx18cmx11 cm)
Overhead probes: HP-DVI-2: 8”long (20cm)forconductors to 1”diameter
HP-DVI-6: 12”long(30cm)forconductorsto6”diameter
WEIGHT: 1.37 lb.(0.62kg) with overhead probe
LED HEIGHT: DVI-100: 2.25”(6 cm)
DVI-500: 1.45”(3.7cm)
ACCURACY: Laboratorycalibrated to +/-3%
Typicaloverhead linein compact overhead three phase +/-10%
Other applications upto +/-25%
BATTERY LIFE: About100 readings with 9Valkaline
MAINTENANCE AND CARE
STORAGE It isrecommended forprotection of the DVI that itand itsaccessories
are stored inthe carrying caseprovided.
CLEANLINESS Themolded housing is veryrugged, butitshould bekept cleanand
freeof dirt, grease and anyother foreign materials. If the housing surface
integrityhas been compromised in anyway,remove from serviceand
return to factoryforrepairor replacement.
DAMAGE If you suspect any mechanical or electrical damage, do not use the DVI
and arrange forrepair byreturning to the factory.
CALIBRATION & TESTING Regularcalibrationof the DVI isnotrequired.
Thereis noaccessible calibrationadjustment.
SERVICE Return toHDElectricCompanyforservice.
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may be subject to a separate manufacturer's warranty; [should you have any question regarding whether a separate warranty applies, please contact
HD Electric Company].
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arcingandthermalburns,areinherentinworkinandaroundenergizedelectricalsystems.Suchrisksarisefromthewidevarietyofelectricalsystemsand
equipmenttowhichProductsmaybeapplied,themannerofuseorapplication,weatherandenvironmentalconditionsorotherunknownfactors,allof
which are beyond the control of HD Electric Company.
HD Electric Company does not agree to be an insurer of these risks.
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