HONO / NO2 Analyser (Model ICAD 200L)

The ICAD (Iterative CAvity enhanced DOAS) HONO / NO2 measurement system uses direct optical absorption spectroscopy in the spectral range between ~ 360 to 390 nm.

By measuring the absorption spectrum and applying the ICAD algorithm, the unique and characteristic absorption structures of HONO and NO2 are directly identified and separated from other overlapping absorptions like water vapour (H2O) or O4. This gives the advantage of direct HONO and NO2 measurements (in comparison to LOPAP and CLD) without interferences to other substances or the need of drying mechanism which introduce new interferences (e.g., LOPAP, CLD, CRD, CAPS).

Please contact ET for service information for the HONO / NO2 200L Analyser. 

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