Product Manual

FLIRCM72_CM74USERMANUALDocumentIdentifier:CM72_CM74‐en‐US_AA
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Table7.2Current(TRMS) 
Function Range Accuracy
DCA(CM74only)
60.00A
±(2%+5dgt)
600.0A
ACA
60.00A ±(2%+5dgt)

45~65Hz
±(2%+5dgt)

65~400Hz
forCM74

±(2%+5dgt)

45~65Hz
±(3%+5dgt)

65~400Hz
forCM72
600.0A
ACAVFD
(CM74only)
60.00A
±(2%+5dgt)45~65Hz
±(6%+5dgt)65~400Hz
600.0A
Notes:
CM72:NoVFDModeandACAOnly
CM74:IntegratedVFDModealwaysONinACAMODE
Overloadprotection:600A(rms)
PositionError:±1%ofreadingforCM74(CM72notspecified).
ACConversionType andadditionalaccu racy issam easACVoltage.
DCAaffectedbythetemperatureandresidualmagn etism;use
DCAZerofunctiontocompensate.
ACconversiontype:ACcoupled,trueRMSresponding,calibratedtotheRMSvalueofasinewaveinput.
Accuraciesaregivenfor sinewavesatfullscaleandnon‐sinewavesbelowhalfscale.
Ifthemetermeasuresa4000‐countsignalandtheCrest
Factorofthesignalismorethen3.0,thereadingmay
notmeetspecifiedtolerances.Fornon‐sinewaves(50/60Hz),addthefollowingCrestFactorcorrections:
Fornon‐sinewaves(50/60Hz),addthefollowingcrestfactorcorrections:
 Foracrestfactorof1.0–2.0,add3.0%totheaccuracy.
 Foracrestfactorof2.0–2.5,add5.0%totheaccuracy.
 Foracrestfactorof2.5–3.0,add7.0%totheaccuracy.