[time-nuts] Temp/Humidity control systems?
Dr. David Kirkby (Kirkby Microwave Ltd)
drkirkby at kirkbymicrowave.co.uk
Mon Oct 31 06:17:00 EDT 2016
On 31 Oct 2016 06:07, "Poul-Henning Kamp" <phk at phk.freebsd.dk> wrote:
> In message <
CANX10hCpa5sOzUkQe00c5hCm-ZrWKbLnSOjCoLJokdRioLSXtw at mail.gmail.com>, "Dr.
> irkby (Kirkby Microwave Ltd)" writes:
> > [...] so it might be a relatively cheap way to measure humidity.
> 80m wave-guide is neither cheap, nor in most circumstances, practical :-)
But you don't need 80 m of waveguide. 100 mm or so would be sufficient.
I have not looked at any of the papers someone have a link to, but I would
imagine one problem would be there's litter airflow in the waveguide, so
it would be very slow to respond.
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