Campbell Scientific, Inc.Logan, UT
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 CS7500

The CS7500 is an open-path, high-speed, high-precision, nondispersive infrared gas analyzer (IRGA) that accurately measures the in-situ densities of carbon dioxide and water vapor in turbulent air structures. In an eddy-covariance application, the CS7500 is used in conjunction with a CSAT3 Sonic Anemometer to determine CO2 and H2O fluxes. The primary components of the CS7500 are the sensor head and electronics enclosure.
 
   
 KH20

The KH20 is a highly sensitive hygrometer designed for measurement of rapid fluctuations in atmospheric water vapor. It does not measure absolute concentrations. Routine maintenance is required to keep source and detector windows free of "scale."
 
 

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