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 Post subject: Anemometer freezes
PostPosted: Tue Oct 26, 2010 1:41 pm 
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Joined: Wed Jan 27, 2010 11:37 am
Posts: 1
Weather Station: WH1080
Operating System: Windows XP SP3
Hi everybody.
I have an anoying problem which I havn't been able to solve so far. As soon temperature falls below 0 the wind measure freezes and shows 0 m/s even when quite windy. Is there someone who's got the same problem and possibly has a solution? I have a WH1080.


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 Post subject: Re: Anemometer freezes
PostPosted: Tue Oct 26, 2010 2:00 pm 
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Joined: Mon Jun 02, 2008 6:49 pm
Posts: 20192
Location: Sanday, Orkney
Weather Station: Davis VP2
Operating System: Windows Home Server 2011
Does the anemometer itself stop moving, or is it just the reading that's zero even though the cups are still turning? If it's the anemometer itself, you probably have water in it which is freezing, so you could perhaps try some water dispellant, unless anyone here has any better suggestions...

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 Post subject: Re: Anemometer freezes
PostPosted: Tue Oct 26, 2010 3:19 pm 
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Joined: Sat Feb 21, 2009 12:41 pm
Posts: 1859
Location: Devon UK
Weather Station: FO WH1081PC (Maplin)
Operating System: OS X, Linux Mint, Win7 & XP
I've had my anemometer freeze up in very cold winter weather, particularly with snow. Usually with just frost it's OK.

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Gina

Sorry, no banner - weather station out of action. Hoping to be up and running with a new home-made one soon.


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 Post subject: Re: Anemometer freezes
PostPosted: Sun Nov 21, 2010 8:28 pm 
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Joined: Sat Mar 14, 2009 1:04 pm
Posts: 97
Location: South Oxfordshire, UK
Weather Station: Oregon Scientific WMR928NX
During the summer we had a few very settled days with no wind. Then we had a light breeze for a day or 2 but the weather station was showing no wind. I climbed up to take a look and a spider had built a huge web from one of the cups to the support :shock:

How strong is spider web .....

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 Post subject: Re: Anemometer freezes
PostPosted: Sun Nov 21, 2010 11:17 pm 
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Joined: Sat Feb 21, 2009 12:41 pm
Posts: 1859
Location: Devon UK
Weather Station: FO WH1081PC (Maplin)
Operating System: OS X, Linux Mint, Win7 & XP
Very strong and very annoying, though less so than flies! I HATE flies!!

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Gina

Sorry, no banner - weather station out of action. Hoping to be up and running with a new home-made one soon.


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 Post subject: Re: Anemometer freezes
PostPosted: Mon Nov 22, 2010 9:02 am 
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Joined: Sat Nov 28, 2009 2:51 pm
Posts: 15
Location: Huddinge, Sweden
Weather Station: Fine Offset WH-1080
Operating System: Windows 7 64bit HP laptop
Hi Nova33

I have the same problem with the anemometer freezes when temperatures fall slightly below 0C, if there is high humidity.
But when it gets colder and the air is drier, it's usually no problem. The only problem is if it gets a lot of snow on the anemometer.

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http://goranpettersson.se/wxindex.php

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