Product Manual

FLIRCM72_CM74USERMANUALDocumentIdentifier:CM72_CM74‐en‐US_AA
18
5.5ResistanceMeasurements
Warning:Donotperformresistancetestsbeforeremovingthepowerfromresistorsandother
devicesundertestduringameasurement.Injurytopersonscanoccur.

1. Setthefunctionswitchtothe position.
2.
UsetheMODEbuttontoselecttheresistancemode(continuitysymbol

shouldbeOFF).

3.
InserttheblackprobeleadintothenegativeCOMterminalandtheredprobeleadinto
thepositiveΩterminal.
4.
Touchthetipsoftheprobeacrossthecircuitorcomponentundertest.
5.
Readtheresistancevalueonthedisplay.




Figure5.5ResistanceandContinuityMeasurements

5.6ContinuityTest
Warning:Donotperformcontinuitytestsbeforeremovingthepowertothecomponent,
circuit,orotherdeviceundertestduringameasurement.Injurytopersonscanoccur.

1.
Setthefunctionswitchtothe position.
2.
InserttheblackprobeleadintothenegativeCOMterminalandtheredprobeleadinto
thepositiveΩterminal.RefertoFig.5‐5forconnectionexample.
3.
UsetheMODEbuttontoselectcontinuitymeasurement.The indicatorwillbe
displayed.

4.
Touchthetipsoftheprobeacrossthecircuitorcomponentundertest.
5.
Iftheresistanceislowerthan30Ω,themeterwillbeep.