Mastech MS8268 User Manual

*Donotapplyanyvoltagemeasurementbetweenthe10A
terminalandtheCOMterminal.
*Cautionwhenworkingwithvoltagesabove60Vdcor30Vac
rms.Suchvoltagesposeashockhazard.
*Whenusingtheprobes,keepyourfingersbehindthefinger
guards.
*Whenmakingconnections,connectthecommontestlead
beforeconnectingthelivetestlead;whendisconnecting,
disconnectthelivetestleadbeforedisconnectingthe
commontestlead.
*Beforechangingfunctions,disconnectthetestleadsfrom
thecircuitundertest.
*Foralldcfunctions,includingmanualorauto-ranging,to
avoidtheriskofshockduetopossibleimproperreading,
verifythepresenceofanyacvoltagesbyfirstusingtheac
function.Thenselectadcvoltagerangeequaltoorgreater
thantheacrange.
*Disconnectcircuitspoweranddischargeallhigh-voltage
capacitorsbeforetestingresistance,continuity,diodes,or
capacitance.
*Beforemeasuringcurrent,checkthemeter'sfuseandturn
offpowertothecircuitbeforeconnectingthemetertothe
circuit.
*Neverperformresistanceorcontinuitymeasurementson
livecircuits.
*InTVrepairwork,orwhencarryingoutmeasurementson
powerswitchingcircuits,rememberthathighamplitude
voltagepulsesatthetestpointscandamagethemultimeter.
UseofaTVfilterwillattenuateanysuchpulses.
*Usethree1.5VAA A batteries,properlyinstalledinthe
Meter'sbatterycase,topowertheMeter.
3
*Replacethebatteriesassoonasthebatteryindicator(
)appears.Withalowbattery,theMetermight
producefalsereadingsthatcanleadtoelectricshockand
personalinjury.
*Donotmeasurevoltagesabove600VinCategoryIII,or
1000VinCategoryIIinstallations.
1.1.3
1.1.3
1.1.3
1.1.3Symbols:
S ymbols:
Symbols:
Symbols:
Symbolsusedinthismanualandontheinstrument:
Caution
Caution
Caution
Caution :
:
:
:refertotheinstructionmanual.
Incorrectusemayresultindamagetothedevice
oritscomponents.
Dangerousvoltagemaybepresent.
~
~
~
~AC(AlternatingCurrent)
DC(DirectCurrent)
ACorDC
Earthground
Doubleinsulated
Fuse
ConformstoEuropeanUniondirectives
1.1.4
1.1.4
1.1.4
1.1.4Instructions
I nstructions
Instructions
Instructions
*RemovetestleadsfromtheMeterbeforeopeningtheMeter
caseorbatterycover.
*WhenservicingtheMeter,useonlyspecifiedreplacement
parts.
*Beforeopeninguptheinstrument,alwaysdisconnectfrom
allsourcesofelectriccurrentandmakesureyouarenot
chargedwithstaticelectricity,whichmaydestroyinternal
components.
4

Mastech MS8268 Specifications

General

Brand	Mastech
Model	MS8268
Category	Multimeter
Language	English