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Problem with DP and Hum with NEVADA WS1080PC

Discussion specific to Fine Offset and similar rebadged weather stations
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User avatar
vaggos
Posts: 160
Joined: Sat 06 Feb 2010 7:00 pm
Weather Station: PROWEATHER STATION 1080
Operating System: XP SP3, win7, Win10
Location: Acharnes Athens Greece
Contact:

Problem with DP and Hum with NEVADA WS1080PC

Post by vaggos »

Hello to all.
A friend of mine recently, bought a weather station NEVADA WS1080PC. Almost from the beggining, he has problemsh with the calculation of dew point and humidity. Tree or four time per day he has very low dew point and humidity. Hew station, is brand new. Is this problem from the station, or its something like spikes. His url, is http://perama.meteoclub.gr/ . And his diagrams section http://perama.meteoclub.gr/trends.htm. I attach also the last diagrams.
Regards
Vaggelis
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Image
Acharnes Athens Greece Meteo station
http://www.meteoacharnes.gr
https://weather.meteoacharnes.gr/
Thanks Sandaysoft
User avatar
steve
Cumulus Author
Posts: 26702
Joined: Mon 02 Jun 2008 6:49 pm
Weather Station: None
Operating System: None
Location: Vienne, France
Contact:

Re: Problem with DP and Hum with NEVADA WS1080PC

Post by steve »

That looks like a faulty humidity sensor to me, rather than the usual Fine Offset 'spikes'. The 'out of range' figure is being sent a lot of the time, which Cumulus maps on to 10%. You would see dashes on the console at that time. My Fine Offset humidity sensor does that most of the time now.
Steve
User avatar
vaggos
Posts: 160
Joined: Sat 06 Feb 2010 7:00 pm
Weather Station: PROWEATHER STATION 1080
Operating System: XP SP3, win7, Win10
Location: Acharnes Athens Greece
Contact:

Re: Problem with DP and Hum with NEVADA WS1080PC

Post by vaggos »

Thanks Steve
Is it possible to do that because of the batteries or the panel? As i can see the abnormal display is most common after sunset.
Image
Acharnes Athens Greece Meteo station
http://www.meteoacharnes.gr
https://weather.meteoacharnes.gr/
Thanks Sandaysoft
User avatar
steve
Cumulus Author
Posts: 26702
Joined: Mon 02 Jun 2008 6:49 pm
Weather Station: None
Operating System: None
Location: Vienne, France
Contact:

Re: Problem with DP and Hum with NEVADA WS1080PC

Post by steve »

I changed the batteries in mine and it didn't make any difference. The only external sensor still working on my Fine Offset is the temperature.
Steve
User avatar
vaggos
Posts: 160
Joined: Sat 06 Feb 2010 7:00 pm
Weather Station: PROWEATHER STATION 1080
Operating System: XP SP3, win7, Win10
Location: Acharnes Athens Greece
Contact:

Re: Problem with DP and Hum with NEVADA WS1080PC

Post by vaggos »

Thanks a lot Steve.
The station is on line only a month. Thats very bad.
Image
Acharnes Athens Greece Meteo station
http://www.meteoacharnes.gr
https://weather.meteoacharnes.gr/
Thanks Sandaysoft
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