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United States Department of Agriculture

Agricultural Research Service

Closed Dynamic Chambers
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Dynamic chambers used for measuring NO and CO2


We use insulated stainless steel chambers typically deployed for less than 5 minutes at each measurement location for measuring NO and CO2.

For NO, chamber air is fed to a portable chemiluminesent analyzer (below left) for real time
analysis.  For CO2, chamber air is fed to a LiCor infra-red analyser (below right).


Last Modified: 9/28/2005