Product Manual

FLIRCM174USERMANUALDocumentIdentifier:CM174‐en‐US_AB
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5.4.4.3FrequencyMode
InFrequencymode,themetermeasuresanddisplaysthefrequency.Frequencymodeis
availablewhenmeasuringACcurrentorvoltage.
Importantnote:DonotswitchtotheFrequencymodeuntilthemeterissetupand
activelymeasuringthevoltageorcurrentsignal.
PressandholdtheMODEbuttontoselect andenableFrequencymode.
5.4.4.4MIN/MAXMode
InMIN/MAXmode,themetercapturesanddisplaystheMinimumandMaximumreadings
andupdatesonlywhenahigher/lowervalueisregistered.
1. PressandholdtheMIN/MAXbuttontoaccesstheMIN/MAXmode.
2.
Thedownarrow willappearandthereadingdisplayednexttoitwillrepresentthe
lowestreadingencounteredsincetheMIN/MAXbuttonwasfirstpressed.
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3.
Theuparrow willalsoappearandthereadingdisplayednexttoitwillrepresent
thehighestreadingencounteredsincetheMIN/MAXbuttonwasfirstpressed.
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4.
Themeterwillcontinuetodisplaytherealtimemeasurementvalueinthenormal
displayarea.
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5.
PressandholdtheMIN/MAXbuttonfor2secondstoexittheMIN/MAXmode.The
meterwillreturntonormaloperationandtheMIN/MAXmemorieswillbereset.
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5.4.4.5VFDMode(lowpassfilter)
TheVFDmodeeliminateshighfrequencynoiseinACvoltagemeasurementsbymeansofa
low‐passfilter.TheVFDmodeisdesignedforsuchapplicationsasvariablefrequencydrives
(VFD)andinverters.PresstheVFDbuttontoactivateordeactivatetheVFDmode.TheVFD
displayiconisdisplayed whenthemodeisactive.
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