IDEAL 61-797 User manual

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#61-797
Digital Insulation Meter
Instruction Manual
Register your product and access more information at
www.idealindustries.com
Read First: Safety Information
Understand and follow operating instructions carefully. Use the meter,
test leads and all accessories only as specified in this manual; otherwise,
the protection provided by the meter can be impaired.
WARNING
To avoid possible electric shock, personal injury or death,
follow these guidelines:
•Donotuseifmeterappearsdamaged.Visuallyinspectthemeterto
ensure case and jaws are not cracked.
•Inspectandreplacetestleadsifinsulationisdamaged,metalis
exposed, or probes are cracked. Pay particular attention to the
insulation surrounding the connectors.
•Alwaysensurethemeter,testleadsandallaccessoriesmeetorexceed
the measurement category required in the working environment. (i.e.
CATrating)
•Notethatthemeasurementcategoryandvoltageratingof
combinations of the meter, the test leads, and the accessories is the
lowest of the individual components.
•Donotusemeterifitoperatesabnormallyasprotectionmaybe
impaired.
•Donotuseduringelectricalstormsorinwetweather.
•Donotusearoundexplosivegas,dust,vapor,amperageorindampor
wet environments.
•Donotapplymorethantheratedvoltagetothemeter.
•Removethetestleadsfromtheinputjacksbeforemeasuringcurrent.
•Replacebatteryassoonasbatteryindicatorappearstoavoid
false readings.
•Removethetestleadsfromthemeterpriortoremovingbatterycover.
•Donotusewithoutthebatteryandbatterycoverproperlyinstalled.
•Donotattempttorepairthisunitasithasnouser-serviceableparts.
•Usetheproperterminals,functionsandrangeforyourmeasurements.
•Nevergroundyourselfwhentakingelectricalmeasurements.
•Connecttheblackcommonleadtogroundorneutralbeforeapplying
theredtestleadtopotentialvoltage.Disconnecttheredtestleadfrom
the voltage first.
•Whenusingtheprobes,keepfingersbehindtheguardringsofthe
probe tips.
•Voltagesexceeding30VACor60VDCposeashockhazardsouse
caution.

34
CAUTION
Toprotectyourself,think“SafetyFirst”:
•Complywithlocalandnationalsafetycodes.
•Useappropriatepersonalprotectiveequipmentsuchasfaceshields,
insulating gloves, insulating boots, and/or insulating mats.
•Beforeeachuse:
 - Performacontinuitytestbytouchingthetestleads together
to verify the
functionality of the battery and test leads.
 - Usethe3PointSafetyMethod.(1)Verifymeteroperationby
measuring a known
  voltage.(2)Applymetertocircuitundertest.(3)Returntothe
known live voltage
again to ensure proper operation.
•Alwaysworkwithapartner.
Instrument - Description
Feature Callouts
1. LCD Display-4000count
2. Push-Buttons for features
3. Function Selector to turn the Power On or Off and to select
a function.
4. Input Terminal for Ω function.
5. Input Terminal for V insulation functions.
6. Common (Ground reference) input Terminal for all
functions.
1. Display
2. Features
Pass indicator
High Voltage
indicator
3. Function Selector
& Power On/Off
4. Ω Input
5. V Insulation Input
6. Common Input
Symbols on the Unit
RiskofDanger.ImportantInformation.SeeManual.
Hazardousvoltage.
ApplicationaroundandremovalfromHazardousLiveconductorsispermitted.
AC(AlternatingCurrent)
DC(DirectCurrent)
Earth Ground
CAT II MeasurementCategoryIIappliestotestandmeasuringcircuitsconnected directlytoutilizationpoints(socketoutletsandsimilarpoints)ofthelow-
voltageMAINSinstallation
CAT III MeasurementCategoryIIIappliestomeasuringcircuitsconnectedtothe
distributionpartofthebuilding’slow-voltageMAINSinstallation
CAT IV MeasurementCategoryIVappliestotestandmeasuringcircuitsconnectedat
thesourceofthebuilding’slow-voltageMAINSinstallation
~
...

56
WhenconnectingthetestleadstotheDUT(DeviceUnderTest)connect
thecommon(COM)testleadbeforeconnectingthelivelead;when
removing the test leads, remove the live test before removing the
common test lead.
Theguresonthefollowingpagesshowhowtomakebasic
measurements.
Measuring ACV/DCV : Auto Sense Function
If the measured voltage is above 660 V ac/dc, “>660Vac/dc”
will appear on the display.
Autosensemode:ThemeterdisplaysACVorDCVwhicheverishigher
(>0.3V).
Ifthemeasuredvoltageisabove660Vac/dc,“660Vac/dc”willappearon
the display.
Measuring Earth-Bond Resistance
Measuring ACV/DCV: Auto sense +LPF function
PRESS
TheLowPassFilter(LPF)modewhenactivatedintheACVoltageMode
rejectsorblocksunwantedvoltageatfrequencies>than1kHZ.TheLow
Passltercangreatlyimprovemeasurementsoncomplexwaveforms
such as adjustale speed drives or variable frequency drives.

7 8
1. Beforestartingthetest:
 (a)Thecircuitundertestmustbecompletelyde-energized.
Check the fuse before testing.
 Connectingtoanenergizedcircuitwhilethetestisactivewill
blow the fuse.
 SeeTestingthefuselaterinthismanual.
 Ifthedetectedvoltageisabove2V,“>2V”willappearonthe
display.
  Inthiscondition,thetestisinhibited.
(b)Shortthetestleadsbeforemeasurement,andpresstheblue
button to compensate the probe resistance for <2Ω.
2. Lockmode:PresstheLockbuttontoentertheLockMode.
 ThenpresstheTESTbuttontostartthetest.Thetestvoltagewill
 continuetobeapplieduntiltheTEST/LOCKbuttonispressedagain.
3. Themeterdisplaysthe“>”symbolandthemaximumresistancefor
the range when measured resistance is higher than the maximum
display range.
Measuring Insulation Resistance
Ω
Ω
V
INSULATION
PASS
RECALL PI/DAR
COMPARE
PI DAR
TEST
V
V
100200
500KMΩ
0
100K
10M 100M
100MK
10Gk
100Gk
AUTO LOCK APOSENSE
KMΩ
GΩ
µmA
MΩ
COMP STORE LOCK
61-797
>600V
COM
OFF
50V
V
100V 250V
500V
500V
1000V
FUSED
CAT. IV
600V
0
0
LPF
L
e
a
k
a
g
e
C
u
r
r
e
n
t
AC
DC
~
AC
DC
~
MEM TEST
+–
~
Press
&
Hold
TEST
0
100K
10M 100M
100MK
10Gk
100Gk
MΩ
0
100K
10M 100M
100MK
10Gk
100Gk
V
DC
TEST
MΩ
V
DC
=
TEST
LPF
1. Beforestartingthetest:
 Thecircuitundertestmustbecompletelyde-energized.Ifthe
 voltagedetectedisabove30V,“>30V”willappearonthedisplay.
 Inthiscondition,thetestisinhibited.
2. PressthebluebuttontodisplayinsulationresistanceorLeakage
current during the test or when the test stops.
3. Lockmode:PresstheLockbuttontoentertheLockMode.Then
 pressTESTbuttontostartthetest.Thetestvoltagewillcontinueto
 beapplieduntiltheTEST/LOCKbuttonispressedagain.
4. ReleasetheTESTbuttonbeforeremovingthetestleads(toenable
 thetestertodischargecapacitivecircuits).Ifthescreendisplays
 volts,waituntilitreacheszero.
5. Themeterdisplaysthe“>”symbolandthemaximumresistance
for the range when measured resistance is higher than the maximum
display range.

910
Using the Compare Function
Measuring PI/DAR
1. Beforestartingtheinsulationtest:
 PresstheCOMPbuttontoselectthecomparevalueamong
 100kΩ,200kΩ, 500kΩ,1MΩ,2MΩ,5MΩ,10MΩ,20MΩ,
 50MΩ,100MΩ,200MΩand500MΩ
2. Ifthemeasuredvalueisgreaterthantheselectedcomparevalue,the
green Pass indicator will illuminate.
PI(PolarizationIndex)=R10-min/R1-min
DAR(DielectricAbsorptionRations)=R1-min/R30-sec
R10-min:theinsulationresistancemeasuredatthe10minutemark
afterpressingtheTESTbutton.
R1-min:theinsulationresistancemeasuredatthe1minutemarkafter
pressingtheTESTbutton.
R30-sec:theinsulationresistancemeasuredatthe30secondmarkafter
pressingtheTESTbutton.
The measured values of DAR test
DAR=R1-min/R30-sec
Whenthemeasuredresistanceishigherthanthemaximumrange,the
screenwilldisplay“Err”symbolforPI/DARvalue.
TESTbutton:Pressoncetostart/interruptthePI/DARtest.
Bluebutton:UsetodisplayandcheckthetimeleftofthePI/DARtest.
The measured values of PI test
PI=R10-min/R1-min
IfthereadingforDARisbiggerthan1.3orPIisbiggerthan2,itindicates
that the insulation is good. On many installations, the quality of the
insulation is so good that both the initial measured value and the
subsequentlymeasuredvalue(whenperformingthePIorDARtests),
willbethemaxiumthatthemetercanread.Dividingoneintotheother
will of course read the value of 1, which in this case may be perfectly
good. It is strongly recommended that in all cases, you contact
the manufacturer of the device under test or the appropriate
manual, to ensure that any reading meets the manufacturers
specification for determining if a part is good or bad.

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Using the Store Function
Store/Recall button:
ThescreenwillbeashingtheMEMsymbolandthenumberofthe
storeddatatwicewhentheStore/Recallbuttonispressed.
1. Press once to store the voltage value during voltage test
2.PressoncetostorethePI/DAR,insulationorEarth-bond
resistance value when the individual test is completed.
3.Thememoryisdividedintovesegments,eachsegmenthas
 100maximumdatapoints.Themethodtostorethedataisrst
 in/rstoutwhenthememoryisfull.
Table: The stored values of the individual test
segments
Voltage Earth-Bond
resistance
Insulation
resistance
50~1000V
DAR PI
items
1Voltage Resistance Resistance DARvalue PIvalue
2Leakage
Current R30-sec R1-min
3 Testvoltage R1-min R10-min
Using the Recall Function
PresstheStore/Recallbutton> 2sectoentertheRECALLmode.
Ifthememoryisempty,themeterwilldisplaythe“nOnE”symbol.
Search the stored value under RECALL mode
Note:PresstheStore/Recallbutton> 5 sec to clear the stored data.
ThescreenwillbeashingMEMsymboland“cLr”onreadingtwice.
Read the stored value of insulation test under RECALL mode
Read the stored value of DAR test under RECALL mode
PressthePI/DARbutton>2sectochoosethePI/DARfunction,and
PresstheStore/Recallbutton>2sectoentertheRECALLmode.

13 14
Read the stored value of PI test under RECALL mode
Auto Power Off (Battery Saver)
RestorepowerbyswitchingtheFunctionSelectororbypressing
any button.
Auto Backlight
Thebacklightisautomaticallyturnedoninadarkenvironment.
Buzzer
TheMeterbeepsonceforeveryvalidkey-press,andbeepstwicefor
everyinvalidkey-press.
Ω
Ω
V
INSULATION
PASS
RECALL PI/DAR
TEST
MΩ
COMP STORE LOCK
61-797
>600V
COM
OFF
50V
V
100V 250V
500V
1000V
FUSED
CAT. IV
600V
0
LPF
L
e
a
k
a
g
e
C
u
r
r
e
n
t
TEST
TEST
Power-up options:
PressbuttonwhileturningmeteronfromOFFposition.
Lock button: display of the software version.
Store button: reset all stored data.
Blue button: disable auto power off.
Battery and Fuse Replacement
Refertothefollowingguretoreplacefuseandbatteries.
Testing the Fuse
CAUTION:
• Use only a fuse with the
amperage, interrupt, voltage,
 andspeedratingspecied.
• Fuserating:Fast,315mA,
 1000V,MinInterrupt
 Rating10000A.
• Replacethebatteriesas
soon as the low battery
indicator“”appears,
to avoid false readings.
• Whenthebatteryistoolow
for reliable operation, the meter
displays“bAtt.”Themeterwill
not operate at all until the battery
is replaced.
• 1.5Vx4alkalinebatteries.
• Removethetestleadsbefore
testing the fuse.
• IfthedisplayisreadingFUSE,
the fuse is bad and should be
replaced.

15 16
Specifications
General Specifications
Display:  4000count
Refresh Rate:  2.0x/sec.
Over range:  “OL”isdisplayed
Polarity:  Automatic(noindicationforpositive
  polarity);Minus(-)signfornegative
polarity
Auto Power Off:  After20minutesofnon-use
Low Battery: is displayed if battery voltage drops
below operating voltage.
Altitude:  6561.7ft(2000m)
Accuracy:  Statedaccuracyat73º±41ºF(23º±5ºC),
  <80%R.H.
Batteries:  (4)1.5VAALR6
Battery Life:  40hrs./1000test@1000V/1MΩ
Fuse:  315mA/1000V(#F-797)
Operating environment:  32ºto104ºF(0ºto40ºC)at<75%R.H.
Storage environment: -4°to140°F(-20ºto60ºC)at<80%R.H.
Weight:  22.3oz(630g)
Size:  8.1”Hx3.7”Wx2.0”D
  (207mmHx95mmWx52mmD)
Assecories Included:  Testleads(TL-797,TL-797RP),
  (4)AAbatteries,OperatingInstructions
Shock Vibration:  SinusoidalvibrationperMIL-T-28800E
  (5~55Hz,3gmaximum).
Safety Certification:  ComplieswithUL/IEC/EN61010-1,
  61010-31,EN61557,EN61326-1+1A(EMC)
  CatIV-600V
Equipment protected by double insulation.
Instrumenthasbeenevaltedandcomplieswithinsulation
(overvoltage)catergoryIV.Pollutiondegree2inaccordancewith
IEC-644.Indooruse.
Maintenance
Cleanthecasewithadampclothandmilddetergent.Donotuse
abrasives or solvents.
Service and Replacement Parts
Nouser-serviceableparts.
Forreplacementpartsortoinquireaboutserviceinformation,contact
IDEALINDUSTRIES,INC.at1-877-201-9005orvisitourwebsite@
www.testersandmeters.com.
Dispose of waste electrical and electronic equipment
Inordertopreserve,protectandimprovethequalityofenviron-
ment,protecthumanhealthandutilizenaturalresourcesprudentlyand
rationally, the user should return unserviceable product to relevant
facilitiesinaccordancewithstatutoryregulations.Thecrossed-out
wheeled bin indicates the product needs to be disposed seperately and
not as municipal waste.
Dispose of used batteries/accumulators
Theuserislegallyobligedtoreturnusedbatteriesandaccumu-
lators.Disposingusedbatteriesinthehouseholdwasteisprohibited!
Batteries/accumulatorscontaininghazardoussubstancesaremarked
withthecrossed-outwheeledbin.Thesymbolindicatesthattheproduct
isforbiddentobedisposedviathedomesticrefuse.Thechemical
symbolsfortherespectivehazardoussubstancesareCd=Cadmium,
Hg=Mercury,Pb=Lead
You can return used batteries/accumulators free of charge to any
collecting point of your local authority, our stores, or where
batteries/accumulators are sold. Consequently you comply with your
legal obligations and contribute to environmental protection.

17 18
Electrical Specifications
Accuracyis±(%reading+numberofdigits)at23°C±5°C<80%RH.
Voltage Measurement
Function Range Accuracy
DCV 600.0V ±1%+5dgt
ACV 600.0V ±(1.5%+5dgt)(50~60Hz)
±(2%+5dgt)(61~500Hz)
LPFACV 600.0V ±(1.5%+5dgt)(50~60Hz)
±(5%+5dgt)(61~400Hz)
Initial Voltage: ≥AC0.6V.
Over voltage protection:600VACRMS/DC.
The cut-off frequency of the low pass filter:1kHz.
Input Impedance: 3MΩ//lessthan100pF.
CMRR / NMRR: (Common Mode Rejection Ratio)
(Normal Mode Rejection Ratio)
VAC:CMRR>60dBatDC,50Hz/60Hz
VDC:CMRR>100dBatDC,50Hz/60Hz
NMRR>50dBatDC,50Hz/60Hz
AC Conversion Type: ACconversionsareac-coupled,truerms
responding, calibrated to the sine wave input.
Fornon-sinewaveaddthefollowingCrestFactorcorrections:
ForCrestFactorof1.4to2.0,add1.0%toaccuracy.
ForCrestFactorof2.0to2.5,add2.5%toaccuracy.
ForCrestFactorof2.5to3.0,add4.0%toaccuracy.
CF3@330V,2@500V
Earth-bond resistance Measurement
Function Range Accuracy
Earth-Bond
Resistance
40.00Ω±(1.5%+5dgt)*
400.0Ω
±(1.5%+3dgt)
4000Ω
40.00kΩ
*<1.00Ωadd3dgt
OpenCircuitTestVoltage:>4.0V,<8V,ShortCircuitCurrent:>200.0mA
LiveCircuitDetection:if>2Vac/dcatinputs,testinhibited.
Insulation resistance Measurement
Function Range Accuracy
Insulation
Resistance
4.000MΩ
40.00MΩ±(1.5%+5dgt)
400.0MΩ
4000MΩ±(3%+5dgt)
4.1GΩ ~ 20.0GΩ±(10%+3dgt)
Test Voltage vs. Maximum resistance range:
50V/50.0MΩ,100V/100.0MΩ,250V/250.0MΩ,500V/500MΩ, and
1000V/20.0GΩ.
Test Voltage vs. Minimum resistance (with test current=1mA):
50V/50kΩ,100V/100kΩ,250V/250kΩ,500V/500kΩand
1000V/1MΩ.
Test Voltage Accuracy:-0%,+20%
Short Circuit Test Current: 1mA(nominal)
Auto discharge function: discharge time <1 sec for C <1μF
Maximum Capacitive load:Operablewithupto1μFload
Live Circuit Detection: if >30Vac/dcatinputs,testinhibited

19 20
Warranty Statement
Thistesteriswarrantedtotheoriginalpurchaseragainstdefectsin
material and workmanship for two years from the date of purchase.
Duringthiswarrantyperiod,IDEALINDUSTRIES,INC.will,atitsoption,
replaceorrepairthedefectiveunit,subjecttovericationofthedefector
malfunction.
Thiswarrantydoesnotcoverfuses,batteriesordamagefromabuse,
neglect,accident,unauthorizedrepair,alteration,orunreasonableuseof
the instrument.
AnyimpliedwarrantiesarisingoutofthesaleofanIDEALproduct,
including but not limited to implied warranties of merchantability and
tnessforaparticularpurpose,arelimitedtotheabove.The
manufacturer shall not be liable for loss of use of the instrument or other
incidental or consequential damages, expenses, or economic loss, or for
any claim or claims for such damage, expenses or economic loss.
Statelawsvary,sotheabovelimitationsorexclusionsmaynotapply
toyou.Thiswarrantygivesyouspeciclegalrights,andyoumayalso
have other rights which vary from state to state.
IDEAL INDUSTRIES, INC.
Sycamore,IL60178,U.S.A.
877-201-9005TechnicalHotline
www.testersandmeters.com
ND 7039-2 MadeinTaiwan
#61-797
Medidor digital de aislamiento
Manual de instrucciones