Amptec Research 601ES Manual

2Wire
4Wire
MILLAMPERES
+HIGH
RESEARCH
AMPTEC
601ES EXPLOSIVESAFETY
DIGITALMULTIMETER
STRAYCURRENT
PRESSTOMEASURE
milliammeter
0-10mADC
PRESSTOMEASURE
CASE
GROUND
LOW
V
I9999
>>>OR
LOBAT
V
A
. . . .
POWER
ON
OFF
STRAYCURRENT
FUSE(5AMPERE)
VLO
VHI
50mV-5mA
SIGNAL
SOURCE
DISPLAY
BACKLIGHT
RESEARCH
AMPTEC
CALIBRATED
MODEL#.
SERNO.
DATE
DUE
TamperProofSeal/Sticker
Calibrationvoidifremoved
601ES
601ES-503
05APR2005
05APR2006
I
press/hold
2.0KOHM
20OHM
200OHM
2.0OHM
20KOHM
FUNCTION/RANGE
2AMP
AC/DC
600VRMS
200V
AC/DC
20V
AC/DC
2.0V
AC/DC
BatteryCompartment
4each"AA"Alkaline
RESEARCH
AMPTEC
OPERATION/MAINTENANCEMANUAL
RevisionD
PHONE[phone]; FAX[phone]; TOLL FREE IN USA 800-350-5105
websitehttp://www.amptec.com
AMPTEC601ESDMM
SafetyDigitalMultimeter

TABLEOFCONTENTS
SECTIONA:ReceivingandInitialInspection
SECTIONB:601ESExplosiveSafetyDMMSpecifications
SECTIONC:Replacement,OptionalandAccessoryItems
SECTIOND:Operation,FunctionandUse
SECTIONE:GeneralOperationandDesign
A-1IntroductiontotheAMPTEC601ESExplosiveSafetyDMM
A-2Receiving,UnpackingandInitialInspection
A-3Openingthe601ESExplosiveSafetyDMM
A-4BatteryReplacement-PowerRequirements
A-5SetupandUse
B-1TableB-1&Specifications
C-1AvailableAccessoriesandOptions
D-1General
D-2FrontPanelFeaturesandOperation
D-3Complete601ESExplosiveSafetyDMMFrontPanelDiagram
D-44-WireResistanceMeasurement(601ESDMMversionsonly)
FigureD-4.IgniterTesterKelvinBlockDiagram
D-5Connections
D-6FatiguedAdaptersandLooseConnections-
CommonSourcesofMeasurementError
D-7BatteryMonitoringCircuitry
D-8FailsafeOperationOverview
E-1General
E-2Troubleshooting
E-3LocalizingtheProblem
E-4ComponentReplacement
E-5CircuitDescriptions
E-5.1DVMIC401-MAX7129
E-5.2Resistance
E-5.3PowerSupply
E-5.4RelayControl
E-5.5Microprocessor
E-5.6DigitalVoltMeter
2

SECTIONF:RoutineMaintenance
F-1General
F-2RequiredTestEquipment
F-3CalibrationProcedure
F-3.1ZeroOffsetAdjustment
F-3.2FullScaleAdjustment
F-3.32.0OhmRangeAdjustments
F-3.4VerificationofEachRangesAccuracy
F-3.5AC/DCVoltageAdjustments
F-3.6AC/DCCurrentAdjustments
F-3.750mV/5mASignalSourceAdjustments
F-4BatteryReplacementInstructions
3

A-1.IntroductiontotheAMPTEC601ES
ExplosiveSafetyDMM/IgniterTester
PowerOn
TheAMPTEC620A,630,640seriesandnow
theAMPTEC601SeriesExplosiveSafety
DMMsaredesignedtobethe"
",
andprovideextremelysafeandreliablevoltage,
currentandresistancemeasurement/testingof
explosiveorvolatiledevices.SafetyApprovals
fromvariousSafetyBoardsinclude,theU.S.Air
Force(620A-4)forgenericuseonmissile
warheadsandtheUSNAVALORDNANCE
CENTER(630AN630BN,640Nandother
versionspending).Someofthedevicesthe
601ESDMMExplosiveSafetyMetermaybe
usedoninclude:fuses,squibs,igniters,EBW,
explosivebolts,rocketmotorsquibs,tonamea
few.
TheAMPTEC601ESExplosiveSafetyDMM
supportssafeordnancetesting.Manycustomers
needtosafelymeasurestrayvoltagecircuitry(
RMSACandDC),straycurrentandresistance
usingthefailsafeoutputcircuitryproprietaryto
AMPTECRESEARCHinsurethattestcurrent
levelscomingfromthe601ESdon’texceedthe
specified"failsafecurrent"eveninaworst-case
componentfailuresituation.Thefailsafefeature
istestedineveryinstrumentbeforeshipment.A
built-inpassive(analog)DCMilliammeteralso
letstheuserverifyactual601ESDMMcurrent
outputlevelspriortoconnectiontoanyEBW,
squibordetonator.
-TheAMPTEC601ESDMM
ExplosiveSafetyMetermain"Power"switch
toturnthe
meter"ON"or"OFF".Thisfeaturehelps
preventtheunwantedeffectofbumpingofthe
powerswitchandaccidentallyturningthemeter
"OFF"or"ON".
LoworDeadbatteries(AAtypeAlkaline-4
each)istheprimaryreasonfortheAMPTEC
601ESDMMnotpoweringup.Ifthebatteries
reachalowenergyleveltheunit'sLCDDisplay
"LOBAT"indicatorappearsonthedisplay.
Standardinthe
ExplosiveSafetyIgniterCircuitTestindustry
,
mustbehelddownfor2seconds
TheAMPTEC601ESDMMSafety
Meterhasa
circuitthatindicateswhenitistime
Toreplacethebatteries.Theycanbereplaced
withouteffectingthecalibrationofthemeter.
Thebatteriesarehousedintheirown
compartmentcompletelyseparatefromany
activeelectroniccircuitry.
ShouldtheAMPTECshippingboxappear
damageduponarrival,requestthatthecarrier's
agent(i.e.UPS)bepresentwhentheunitis
unpacked.Ifthe601ESDMMExplosiveSafety
Meterappearsdamaged,thecarrier'sagent
shouldauthorizerepairsbeforetheunitis
returnedtothefactory.Eveniftheinstrument
appearsundamaged,itmayhavesuffered
internaldamageintransitthatmaynotbe
evidentuntiltheunitisoperatedortestedto
verifyconformancewithitsspecifications.You
mayrefertothe
(i.eTestleadsetc.)
Iftheunitfailstooperateorfailsto
meettheperformancespecifications
ofsectionB,notifythecarrier's
agentandAMPTECRESEARCH.
Retaintheshippingcartonforthe
carrier'sinspection.
oranyofitssalesoffices
an(RMA)ReturnMaterial
Authorizationnumber.Weneedtoknowwhoto
contactandhowtocontact(i.e.phonenumber
andFAXnumber)inordertoproperly
coordinatethereturnoftherepairedAMPTEC
product.
Wemay
possiblybeabletofixtheproblemoverthe
phoneandpreventyoufromhavingtoreturnthe
unittoAMPTECforrepair.
batterymonitoring
A-2.Receiving,Unpacking,andInitial
Inspection
DONOTreturnequipmenttoAMPTEC
RESEARCH
BycallingAMPTECRESEARCH
first,priortojustreturningthe601ESDMM
ExplosiveSafetyMeter,wecanoftentrouble-
shoot(basedonthesymptomsyoudescribe)
andidentifytheproblemoverthephone(i.e
batterylooseinthebatteryholder).
Trouble-Shootingsectionof
ChapterDofthismanualtohelpidentifythe
problem
without
firstobtaining
SECTIONA-RECEIVINGANDINITIALINSPECTION
RMA
4

A-3.Openingthe601ESExplosiveSafety
DigitalMultimeter/IgniterTesterand
RemovaloftheLid
A-4.DCBatteryPowerRequirements
AA
rechargeable
Whenclosed,the601ESDMMhastwolarge
O-ringsthatprovideawaterresistantseal
.Thismakesiteasiertoflipupthe
releaselatch.Repeatthepalmpresssteponthe
othercornerofthesafetymeter.Atthispointthe
601ESDMMlidwillnormallybeabletobe
raised,andplacedinanopenlidstate.
The601ESExplosiveSafetyDMMshouldopen
afterflippingupthereleaselatches,evenaftera
changeinatmosphericpressuresincetheunitis
fittedwithanautomaticpurgevalve.Youmight
needtopressdownofthecornersoftheclosed
casewithyourpalmthenflipopenthelatch.
TheAMPTEC601ESExplosiveSafetyDMMcan
bepoweredinternallybyavarietyofheavy-duty
AAbatteries.Werecommendeitheranalkaline
batterypack(4ea.cell-1500mAHrea.,
preferablyDuracellMN1500orbetteri.e.Duracell
Ultra).Asetof4ea“AA”heavy
dutyNickelMetalHydridebatteriessuchasthe
.By
pressingdownwithyourpalmasshownin
Fig.A-3,youcompresstheO-ringinthelidof
the601ES
1.2Valsoworkquite
well.OurtestsshowtheEnergizer2500mAHr
lastedaslongastheDuracellUltra’sAlkaline.
SinceNickelMetalHydridesarere-chargeable,
theyofferabatterylifecycleahundredtimes
greaterthananyalkaline.Besuretochargethe
NickelMetalHydridebatterieswhentakenout
oftheiroriginalpackagingforthefullcharge
cyclepriortoinstallingthemintheAMPTEC
601ESSafetyDMM.
Thebatterycompartmentiscompletelyisolated
fromtheunit'sinternalelectronics.Theuser
mayreplacethe4ea"AA"batteriesasneeded
withouteffectinganyinternal601ESDMM
circuitryortheunit'scalibration.TheAMPTEC
601ESDMMbatterylifeisdiminishedthe
longerthebacklight(heavypowerdrain)isused
andthelongertheunitisleftunattended.
“LowBatterylevel”isindicatedbya“LOBAT”
display.Replacingthe(4)each‘AA’batteriesin
theseparateweatherized‘AA’batterycompart-
ment(sealedmetalbatterybox)canbeper-
formedinthefield
Thereisno“NoAccess”toany
AMPTEC601ESExplosiveSafetyDMM
internalelectronicsfromtheunit’sseparate
internalmetalboxbatterycompartment.
Energizer2500mAHr
“on”
withouthavingtore-
calibrate.
601ESDMM
PressDownwithPalmhere
WhileopeningreleaseLatchA
PressDownwithPalmhere
WhileopeningreleaseLatchB
A.ReleaseLatch B.ReleaseLatch
C.AutomaticAirPressureEqualization(PurgeValve)
Sect.A-ReceivingandInitialInspection
FIG.A-3
MADEINUSA
WWW.AMPTEC.COM
TEL[phone]
RESEARCH
AMPTEC
EXPLOSIVESAFETY
DIGITALMULTI-METER
MODELNUMBER 6ES01
SERIALNUMBER 601ES-501
5

Avoidexposingthe601ESExplosiveSafety
DMMtoextremesoftemperaturewhichwill
affectaccuracyandshortenbatterypack
lifespan.
Oncethe601ESDMMmainpowerswitchis
turned"ON"andfollowinga(1)minute
warmup,(
)theAMPTEC601ES
ExplosiveSafetyDMMshouldbereadyfor
generalpurposetestinganduse.
The601ESDMMoperatormaybeaskedto
performaseriesoftests(i.e.verifythetest
currentislessthan10mAwiththeunit'sDC
milliammeter)priortoconnectiontoany
explosivedeviceundertest.
Testleadsetsmayalsobeplacedinthepouch
whichholdsthelaminatedAMPTEC601ES
DMMOperatorInstructionCard.
providedthereisNo‘LOBAT’
Indicatorshown
Toreplacelowbatteriesfirstunscrewthe
batterycompartmentlidandlift.Removethe
batteryholder,plastictieandlowbatteries.
Replacewithanewsetof(4)“AA”batteries
accordingtopolarity.Usingthespareplastictie
includedinthebatterycompartment,wrapthe
plasticaroundthebatteryholderandsecure.
Cutexcessplastic.Next,wraptheblackand
redwirearoundthebatteryholderandplacethe
holderintothecompartment.Lastlyreplacelid
andscrewinscrewstosecure.SeeFig.A-4
above.*Pleasenote:Afterreplacingbattery
holderwith(4)new‘AA’batteries;securewith
anewplastictielock.
The601ESExplosiveSafetyDMMconsumes
littlepowerandgeneratesvirtuallynoheat.
Consequently,itmaybeusedinanyareawhere
theenvironmentdoesnotexceedthe
specificationsofTableB-1.
A-5.SetupandUse
BATTERYHOLDER
‘AA’BATTERY
FIG.A-4
Sect.A-ReceivingandInitialInspection
TheAMPTEC601ESDMMcomesfactorysetwith
an“AutoTurn-Off”timeoutof30minutes.
Withcertainbatteriesattheendoftheirpower
capacitythe“LOBAT”displaymaybeonlyonfora
minuteorlessbeforethe601ESAutomaticallyshuts
down.Asanexample,ifyouturnitonanddon'tsee
“LOBAT”.Theninafewminuteswalkoutonand
returntodiscoverthemeteristurnedoff,
aretheprimaryreasonforthis.Anytime
the“LOBAT”displaystaysonformorethana
secondortwoitistimetoexchangethebatteries.
low
batteries
6

SECTIONB-601ESEXPLOSIVESAFETYDMM
IGNITERTESTER-SPECIFICATIONS*
Warm-upTime5Minutes
20.0V
2.0V
(for1year@25°C±10°C)
Operating0°Cto50°C
Storage-20°Cto70°C
0.0%per°C(from0°C-15Cand35°C-50°C)
..(20,000count)4½digitLiquidCrystalDisplay()withhighcontrastbacklight
....LCDDisplays""(frontpanelenunciated)
...(opencircuitorselectnexthigherrange)Displays""
.....Approximately300ms
(Indicationrange0to10mAFullscale)-Accuracy±3.0%
........doublediodeclampedat<1.6volts
..Batteries(4each"AA")canbe
highcapacityre-chargeable1.2V-NiMH(i.e.Energizer2500mAHr)
............................9.5"(24cm)Wx11"(27cm)Dx3"(8cm)H
................................10lbsnet;15lbsshipping
TrueRMSAC-DCVoltageMeasurement-DCand60Hz
TrueRMSAC-DCCurrentMeasurement-DCand60Hz
SignalSource:
50mV
5mA
200VDCorACRMSrange........Accuracy±0.50%ofrange
DCorACRMSrange........Accuracy±0.50%ofrange
DCorACRMSrange........Accuracy±0.50%ofrange
2.0AmperesDCorACRMSrange........Accuracy±0.50%ofrange
2.0OhmRangethru20KOhmranges..............±0.05%ofreading±0.05%ofrange
2Wire”±0
(50mVand5mA-20,000countdisplay)
Voltagemodedisplayaccuracy:50mV50countsonthe2.0Voltrange
Currentmodedisplayaccuracy:5mA10countsonthe2.0ampererange
±05°
...heavydutyAlkaline(1.5VDuracellCoppertopUltraor
equivalent)ororequivalent
TableB-1Specifications
ResistanceMeasurementAccuracy:
TemperatureRange
TemperatureCoefficientforallfunctions
InstrumentDisplayLCD
LowBatteryIndicationLOBAT
Over-RangeIndication>>>OR
MeasurementUpdateRate
AnalogDCMilliammeter
OpenCircuitCurrentSourceComplianceVoltage
Power
Dimensions
Weight
4WireMode
“resistancemode:(ifshortedleadscanbe“zero’ed”)-additional0.5%ofrange
+
+
*revised14JAN2006
600VDCorACRMSrange........Accuracy±1.0%ofrange
7

C-1.AvailableAccessoriesandOptions
Thismanualdoesnotlistallpossible
accessoriesthatAMPTECRESEARCHis
willingtoprovideasasupportitemsforthe
AMPTEC601ESDMM.Contactthesales
departmentatAMPTECRESEARCHifyou
havearequestforanitemthatisnotdescribed
here.Listedbelowaresomeoftheoptions
availableforusewiththeAMPTEC601ES
ExplosiveSafetyDMM.
Option401:GoldPlatedSingleProbeLeads
Option"401"isahandheldprobe
(oneblackprobe&oneredprobe)leadsetter-
minatedin.TheOP401handheld
probesallowforeasyaccesstoconnectorsocket
wiring(i.e.droneparachutesquibsockets),
recessedsurfacesandparts(i.e.flares)thatalli-
gatorclipleadssimplycan’taccessproperly.
Option"401"plateda4-wireleadset(uptothe
probetip,2and2style)isterminatedwithsin-
glehandheldprobetestpoints.The
“401”alsohasdualbananaleads
thatconnectdirectlytotheAMPTEC601ES
DMMmeasurementfrontpaneljacks(redand
white).4-wireKelvinismaintaineduptothe
pointoftheprobetipconnection,eliminating
98%ofthecableresistance.Goldplatedtips
andbananajackendsprovideanoptimallow
thermalemfconnection.
goldplated
singlepoints
goldplated
goldplated
KelvinLeads,ProbesAccessoriesand
Options
AllAMPTECseriestestleadandprobesetsare
aminimum48"length,dualbanana
terminationattheohmmeterend(callthe
SalesDepartmentatAMPTECRESEARCH
foranycustomrequirement).
Option4034TerminalKelvinMini-probes:
with0.18"separation,oneredandone
blackhandheldprobe.Excellentgeneralpurpose
4-WireKelvinMini-Probe,andalongwiththe
Option"300"KelvinClipLeadseasilyfitinside
theAMPTECtestleadpouch.
Eachprobehastwospringloaded,goldplated,
steeltips
Option300:4-WireKelvinLeadSet
RecommendedforCalibration-Option"300"isa
fourwireKelvinleadsetforall
AMPTEC601ESDMM.Option300isashielded
48"leadsetterminatingin½"openinggoldplated
copperKelvinclips.Theoption"300"canclip
easilytowires,pinsandmediumsizeconductors
(upto½"diameter).Thedualbanana
goldplated
Option“300”
Close-Up
Option"300"
4-WireKelvinClipTestLeadSet
(GoldPlated)
SECTIONC-REPLACEMENT,OPTIONAL
ANDACCESSORYITEMS
8

plugterminationsconnectdirectlytothe601ES
DMM’sfrontpanelinputterminals.
Option"305"isa48"shieldedcableterminated
indualbananaplugsatbothends.
Option"320"arethegoldplatedKelvinClips
usedontheOption"300"cableset.Theseclips
maybeusedwhenmakingcustomcablesor
whenrepairingOption"300".
Option"360"areGold-platedjumpercable
(largejaws)typeclipsusedontheOption"350"
cable.TheyarestillKelvinClipsbecausethe
Option"290"istherecommendedgeneral
purposeAlligatorClipleadset(redandblack).
Option“290"isrecommendedasastandard2
wiretestleadsetforusewiththeAMPTEC
601ESSafetyDMM.Option“290"isa48"
longcablesetwithdualbananaplugsatone
end.Theotherendisterminatedwithan
alligatorclip(redandblack).Thesealligator
clipswillmeasure(2wiremethod)properly
witheitherupperorlowerjawconnectedtothe
conductivesocketcenterofplastictestpanel
jacks.KelvinClipssuchasOption“300”(using
the4wiremethod)mayhaveconnection
difficultybecausebothjaws (bothupperand
lower)mustmakeelectricalcontactwiththe
EED.
Option“290"AlligatorClipLeadSet
Option305:Banana-to-BananaCable
Option320:KelvinClips
Option360:Heavy-DutyClips
(Seephotoon
previouspage)
insulatedupperandlowerjawintegrityismain-
tained.Thesemaybeusedwhenmakingcustom
cablesorwhenrepairingOption"350".
Formoreinformationonaccessories,please
refertotheaccessoriessectionofAMPTEC
RESEARCH’swebsitefoundat
“http://www.amptec.com”.
Sect.C-Replacement,OptionalandAccessoriesItems
9

D-1.GeneralOperation
D-2.FrontPanelFeaturesandOperation
Adiagramanddescriptionofthefrontpanel
controls,connectioninstructions,andthetheory
behindresistancemeasurementisdiscussedin
thissection. Thissectionofthemanualcontains
completeoperatinginstructionsforthe
AMPTEC601ESExplosiveSafetyDMM.
1.Calibration/Maintenanceaccessscrews,
alsocanbeeasilyprotectedwithatamperproof
calibrationstickerorseal.Afterremovalofthe
screwsusehandles(item#3)andcarefullylift
up.Usecautionwiththeumbilicalcabling.
SECTIOND-OPERATION,FUNCTIONAL
SELF-TESTANDUSE
2.PurgeValve
3.Handlesonly
ONOFF
automaticallyprovidesair
pressureequalizationtoopenthe601ESDMM
instrumentcaseafteratransitinvolvingan
altitudechangeifunitwillnoteasilyopen.
Attached,item#3,arefor
liftingthefrontplateoncetheaccessscrews
havebeenremovedforcalibration.These
handlesareforcarryingthe601ES
DMMaroundwhenthelidisremoved.They
arestrictlyforcalibrationaccess.
he
main“Power"switch
toturnthemeter
“"or"".Thisfeaturehelpsprevent
notintended
mustbeheld
downfor2seconds
4PowerOn/Offswitch.-Tunit's
FrontPanelDiagram
D-3.601ESEXPLOSIVESAFETYDMM
2Wire
4Wire
MILLAMPERES
+HIGH
RESEARCH
AMPTEC
601ES EXPLOSIVESAFETY
DIGITALMULTIMETER
STRAYCURRENT
PRESSTOMEASURE
milliammeter
0-10mADC
PRESSTOMEASURE
CASE
GROUND
2.0KOHM
20OHM
200OHM
2.0OHM
20KOHM LOW
V
I9999
>>>OR
LOBAT
V
A
....
11
1
8
9
1
14
11
17
12
POWER
ON
OFF
STRAYCURRENT
FUSE(5AMPERE)
1
4
5
3
2
15
16
16
13
13
6A
6A
7
1
1
3
1
10
VLO
VHI
50mV-5mA
SIGNAL
SOURCE
DISPLAY
BACKLIGHT
1
RESEARCH
AMPTEC
CALIBRATED
MODEL#.
SERNO.
DATE
DUE
TamperProofSeal/Sticker
Calibrationvoidifremoved
601ES
601ES-503
05APR2005
05APR2006
I
FUNCTION/RANGE
2AMP
AC/DC
600VRMS
200V
AC/DC
20V
AC/DC
2.0V
AC/DC
press/hold
BatteryCompartment
4each"AA"Alkaline
18
19
66
6
6
6
1
10