21769Re: File describing homemade Stevenson shield posted - solved my problem
- Mar 10, 2013Jed,
I would think some screening would work and not impede air flow that much.
I think the nylon used in hardware will stand up to UV rays ... in Central Texas I'll certainly find out quickly enough.
Thanks for your comments.
--- In firstname.lastname@example.org, Jed Petrovich <jwpetrov@...> wrote:
> Very nice work! I had a similar problem with my temp/humidity sensor on my
> weather station. The kindly tech support person at WU let me know why my
> station was sometimes disappearing from the web. In my case, I was able to
> hang my sensor under a large pine tree. So far, it has worked to keep the
> temp within tolerance and the tree provides some protection for the sensor.
> However, I may need to create a shield for it, so I appreciate you taking
> the time to post detailed instructions.
> I did have a general question for you and the group. I've had problems with
> wasps building nests in my sensors. (Rain gauge, in particular.) Would it
> be possible to put some window screen around such sheilds to keep them out?
> Perhaps the screen would impede the some air flow.
> At the end of your document, you mentioned that you may want to replace the
> metal nuts with nylon. I'm assuming this would be done so the nuts would be
> easier to remove. I wondered about using brass or stainless steel nuts. I'm
> thinking the nylon may get brittle from the UV.
> Thanks again,
> South Jordan, UT
> WU Station: KUTSOUTH11
> On Fri, Mar 8, 2013 at 6:49 PM, dick_kf5sa <shadowberr@...> wrote:
> > **
> > Thanks to Chris and others my post #21653 has been solved. Once I realized
> > my station was being removed from the maps due to excessive variance in
> > temperature reporting compared to others in the area, I investigated
> > shielding. Following general approaches used by others, I built a Stevenson
> > shield with the temp/humidity sensor inside. That seems to have done the
> > trick. I posted a PDF of the step-by-step in the Files section.
> > Thanks all
> > Dick
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