Delphin ProfiMessage User Manual

ProfiMessage
Window function
Enablesaweightingfunctionforthetimesignal.Theweightingisappliedpriorto
runningtheFFTanalysis.Optionsare"Hanning"(recommendedforhighfre-
quencyprecision)or"FlatTop”(recommendedforhighamplitudeprecision).
Compression
Frequencyspectrumscanbecompressedpriortotransmission.Thiscanreduce
transmissionspeedandincreasestoragecapacityinthedataloggermemory.
SelecttherequiredMethod:
l None
Thefrequencyspectrumistransmittedwithoutcompression.
l Log.compression(µ-law)
Amplitudevaluesundergologarithmiccompression,wherebythecom-
pressionfactoris2:1.Theamplitudeerrorfollowingdecompressionis±2%
max.
Averaging
Afrequencyspectrumcanbeaveragedwithinthedeviceviameasurementcycles
n=2…32.
Theintermediate block valuessettingtransmitsafrequencyspectrumofthecor-
respondingaveraginglevel(1,2,3,…,n)foreachmeasurement.
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Delphin Technology AG
Dezember 2015
ProfiMessage Manual

Delphin ProfiMessage Specifications

General

Brand	Delphin
Model	ProfiMessage
Category	Test Equipment
Language	English