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NOAA CLAP: Continuous Light Absorption Photometer

NOAA CLAP: Continuous Light Absorption Photometer. Why bother with a new instrument? lost data due to overloaded filters unheated sample block leak-prone filter holder "black box" internal processing of PSAP User interface – KISS (Keep It Simple, Stupid!)

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NOAA CLAP: Continuous Light Absorption Photometer

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  1. NOAA CLAP:Continuous Light Absorption Photometer • Why bother with a new instrument? • lost data due to overloaded filters • unheated sample block • leak-prone filter holder • "black box" internal processing of PSAP • User interface – KISS (Keep It Simple, Stupid!) • filter change button and status indicator • flow control • primary user interface is through 'cpd' software • Data output optimized for machine processing • Firmware can be upgraded in the field, remotely from Boulder • Characterization • internal construction (photos) • noise vs. averaging time • LED intensity • planned open source release of drawings, schematics, code

  2. NOAA CLAP – Assembled Product

  3. NOAA CLAP – Light Source Internal View

  4. NOAA CLAP – Assembly Details

  5. CLAP vs. PSAP Comparison CLAP (new) sap (Mm-1) PSAP (old)

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