Lumel P30U series - Page 44

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 After switching median filter on with number of samples 5
(sample rate 80 ms) 5 subsequent samples will be sorted and only
mediansamplewillbetreatedasmeasuredvalue(sampleno3aftersor-
ting).AftersortingXnvaluesareasfollows:10.004,10.0055,10.0055,
10.0065,10.025.
Fig.11. Median filter operation  sorted samples
Value X
3
  10.0055V will be treated as a result of median operation
inthisexample.Averagevalueafterswitchingthemedianfilteronwill
alsohavevalueX
3
10.0055V.Thehighestvalueofperturbationson
measured signals the highest number of median samples should be
applied from range 1...50. If number of median samples is set to 1”
median operation is switchoff. If an evennumberofsamples is cho-
sen,averageoftwomedianvalueswillbegivenasaresultofmedian
operation.