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Subject: Measuring indoor air flow

Measuring indoor air flow

From: Jonathan P. Brown <envcons>
Date: Tuesday, May 13, 2003
Ulla Kejser <ubk [at] kb__dk> writes

>At the Royal Library we plan to use cartridges of KClO3 (potassium
>chlorate) for measuring indoor air flow in our reading room. Is it
>safe to use for the library materials? Alternative methods?

I have no specific information on the effect of KClO3 on library
materials, but I have some alternative approaches.  It is not clear
here whether you want to measure airflow or visualize the airflow.
Helium-filled bubbles are a nice approach for visualization
<URL:http://www.sageaction.com/>, but a professional-level rig may
be a little expensive for your application.  Hot-wire anemometers
(e.g., <URL:http://www.control3.com/4330p.htm>) are probably more
useful if you want an actual measurement although they have to be
kept clean, suffer radiant heat effects, and can have some
repeatability concerns. Regards,

JP Brown


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                  Conservation DistList Instance 16:72
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Received on Tuesday, 13 May, 2003

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