[time-nuts] Temp/Humidity control systems?

[Dr. David Kirkby (Kirkby Microwave Ltd)]

On 31 Oct 2016 06:07, "Poul-Henning Kamp" <phk at phk.freebsd.dk> wrote:
>
> --------
> In message <
CANX10hCpa5sOzUkQe00c5hCm-ZrWKbLnSOjCoLJokdRioLSXtw at mail.gmail.com>, "Dr.
David K
> 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.

Dave