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RayTek 54301 Thermometer User Manual

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Operation

6.4PostProcessing

6.4.1Averaging

Averaging is used to smooth the output signal. The signal is

smootheddependingonthedefinedtimebasis,wherebytheoutput

signaltracksthedetectorsignalwithsignificanttimedelaybutnoise

andshortpeaks aredamped. Usealongeraverage timefor more

accuratedampingbehavior.Theaverage

timeistheamountoftime

the output signal needs to reach 90% magnitude of an object

temperaturejump.

Temp



output temperature

object temperature

temperature jump

90% of

temperature

j

ump

average time

Time

Figure25:Averaging

A low level input (GND) at external input FTC3 will promptly

interrupttheaveragingandwillstartthecalculationagain.

Attention: Thedisadvantage ofaveragingis thetimedelayof the

outputsignal.Incaseofhavingatemperaturejumpattheinput(hot

38 MID

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