LumaSense Technologies INNOVA 1412i User Manual
Page 168
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Chapter 12
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BE6025-15
1412i Photoacoustic Gas Monitor
LumaSense Technologies A/S
Page 168 of 202
Fig.12.17 Schematic diagram showing how to set-up a combined
cross-interference and span calibration task (follow the arrows)
If the span gas used during a span calibration task absorbs any of
the light from the other installed optical filters, then it is advisable to
select to perform a cross-interference calibration. This means
that during span calibration the signal in the cell is not only
measured with the water-vapour filter and the filter being span
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