IDEAL 61-797 User manual

1
#61-797
Digital Insulation Meter
Instruction Manual

2
Read First: Safety Information
Understand and follow operating instructions carefully. If this tester is not used
in a manner specified by IDEAL, protection provided by the product may be
impaired.
WARNINGS
To avoid possible electric shock, personal injury or death follow these
instructions:
• Donotuseifmeterappearsdamaged.
• Visuallyinspectthemetertoensurecaseisnotcrackedandbackcaseis
securely in place.
• Inspectandreplaceleadsifinsulationisdamaged,metalisexposed,or
probes are cracked. Pay particular attention to the insulation surrounding
the connector.
• Donotusemeterifitoperatesabnormallyasprotectionmaybeimpaired.
• Donotuseduringelectricalstormsorinwetweather.
• Donotusearoundexplosivegas,dust,orvapor.
• Donotapplymorethantheratedvoltagetothemeter.
• Donotusewithoutthebatteryandthebackcaseproperlyinstalled.
• Removethetestleadsfromthemeterbeforeremovingbatterycap.
• Donotattempttorepairthisunitasithasnouser-serviceableparts.
• Disconnectpoweranddischargecapacitorsbeforetestingresistance,
continuity or insulation.
• Replacebatteryassoonaslowbatteryindicatorappearstoavoid
false readings.
• Usetheproperterminals,functionandrangeforyourmeasurements.
• Usecareasthistesteroutputsahighvoltagetomeasureinsulation
resistance.
• Complywithlocalandnationalsafetyrequirements,includingtheuseof
appropriatepersonalprotectiveequipment.
To protect yourself, think “Safety First”:
• Voltagesexceeding30VACor60VDCposeashockhazardsousecaution.
• Useappropriatepersonalprotectiveequipmentsuchassafetyglasses,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measur-
ingaknownvoltage.(2)Applymetertocircuitundertest.(3)Returnto
the known live voltage again to ensure proper operation.

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• Nevergroundyourselfwhentakingelectricalmeasurements.
• Connecttheblackcommonleadtogroundorneutralbeforeapplyingthe
red test lead to voltage. Disconnect the red test lead from the voltage first.
• Alwaysworkwithapartner.
• Whenusingtheprobes,keepngersasfarbehindtheprobetipsas
possible.
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

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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 figures 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.

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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.

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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.

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Measuring Insulation Resistance
Ω
Ω
V
INSULATION
PA SS
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
LP
L







C






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.

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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.

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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/first 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
2 Leakage
Current R30-sec R1-min
3Test 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.

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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.

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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.

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Ω
Ω
V
INSULATION
PA SS
RECALL PI/DAR
TEST
MΩ
COMP STORE LOCK
61-797
>600V
COM
OFF
50V
V
100V 250V
500V
1000V
FUSED
CAT. IV
600V
0
LP
L







C






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 specified.
• 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.

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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.

15
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.

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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.

17
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

18
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 verification 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
fitness 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 specific 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 7039-1 MadeinTaiwan

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#61-797
Medidor digital de aislamiento
Manual de instrucciones