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Feek
 Post subject: How does the rainfall gauge work? WH3081
PostPosted: Tue Jan 17, 2012 4:10 pm 
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Joined: Sun Jan 08, 2012 9:22 pm
Posts: 44
Location: Kirby Cross, Essex, UK
Weather Station: W8681-Solar
Operating System: Windows XP SP3
Being an inquisitive type, I'm intrigued to know how the rainfall gauge on the WH3081 (and clones) works. It's a box with a little hole on the top and I noticed that I get rainfall indication when the box is moved, hence why I've changed the mounting place to somewhere more secure. No more false readings.

It doesn't feel as though there's a tip mechanism there so can anyone explain how the thing actually does what it does and measures rainfall please?

Thanks.

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steve
 Post subject: Re: How does the rainfall gauge work? WH3081
PostPosted: Tue Jan 17, 2012 4:13 pm 
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Joined: Mon Jun 02, 2008 6:49 pm
Posts: 17607
Location: Sanday, Orkney
Weather Station: Davis VP2
Operating System: Windows Home Server 2011
It's a 'tipping bucket' which operates a reed switch. See http://sandaysoft.com/forum/viewtopic.php?f=13&t=2685

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Feek
 Post subject: Re: How does the rainfall gauge work? WH3081
PostPosted: Tue Jan 17, 2012 4:17 pm 
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Joined: Sun Jan 08, 2012 9:22 pm
Posts: 44
Location: Kirby Cross, Essex, UK
Weather Station: W8681-Solar
Operating System: Windows XP SP3
Oh my, how simple is that. Thanks Steve :)

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