Product Manual

FLIRCM72_CM74USERMANUALDocumentIdentifier:CM72_CM74‐en‐US_AA
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TIME
CURRENT
0A
Start Stop
Current
Detection
Threshold
Measured Inrush
Current
100ms Sample Window (60Hz)
5.4.4ExtendedFunctionalityModes
InadditiontothebasicmeasurementsthattheCM72andCM74canperform,avarietyof
extendedfunctionsareincluded.Refertothefollowingsectionsfordetails.
5.4.4.1InrushCurrentMode(CM74only)
InInrushcurrentmode,themeterdisplaysthehighestACcurrentreadinginthefirst100ms
periodafterthetriggerpoint(currentdetectionthreshold)isreached,seeFig.5.3below.
Thecurrentdetectionthresholdis0.5Aforthe60.00Arangeand5.0Aforthe600.0Arange.
InrushcurrentmodeisavailablewhenmeasuringACcurrent.
1. Connectthemetertotheunpoweredcircuitundertest
2. SetthemetertoA
3. PresstheInrushbutton
toenabletheInrushcurrentmode.TheInrush
displayiconwillappearontheLCD.
4. Turnonthepowertothecircuitundertest
5. Whenthethresholdisreached,themeterwilldisplaytheRMSreading forthe
100msintegrationtime.
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Figure5.3InrushCurrent