LumaSense Technologies INNOVA 1412i - Manual (Page 164)

Chapter 12
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BE6025-15 1412i Photoacoustic Gas Monitor LumaSense Technologies A/S
Page 164 of 202
Gas to be Used During Span Calibration
The gas you need to use during span calibration must be the gas you
wish to measure with the filter.
Type of Span Calibration – Single-point or Two-point?
Fig.12.15a Graph showing a non- linear span-calibration curve which can
be plotted using the signals measured during a two-point span
calibration task
Fig.12.15b Graph showing a non- linear measurement curve