Re: Rain Sensor - as a digital input

[Paul Gale <groups2@xxxxxxxxxxxxxxxx>]

Thanks Neil,

I'll probably give them a try then :)

Cheers,

Paul.

On 1 Aug 2010, at 18:33, "Neil Fuller"
<neil.fuller@xxxxxxx> wrote:

> Paul
>
> They are actually very good!
>
> A light sprinkling of drizzle is enough to trigger them so they are
> reasonably sensitive, although the sensitivity can be adjusted.
>
> The outdoor unit incorporates an integral heater to dry the surface
off
> once the rain has stopped and to prevent dew from triggering the unit.
>
> If the input to the Velux controller is a simple volt free contact, I
> think you would be happy with one of these as a replacement
>
> Cheers
>
> Neil.
>
> On 01/08/2010 10:55, Paul Gale wrote:
>>
>> They're interesting :)
>>
>> How good are they in practise - i.e. how heavy does the rain need
to
>> be to trigger and how quickly do they dry off?
>>
>> I'm also wondering if you would need two so that they can be
angled in
>> different directions to allow excess rain to run off and hence dry
out
>> quicker but also allow sensitive detection of blowing rain???
>>
>> I have rain sensors on my electric Velux windows which can be
really
>> annoying in the summer with light showers as the window closes to
the
>> vent position, doesn't open again after a shower and the sensor
can
>> take a while to dry off. Been thinking of bypassing to allow more
>> intelligent control.
>>
>> Cheers,
>>
>> Paul.
>>
>> -----Original Message-----
>> From: ukha_d@xxxxxxx <mailto:ukha_d%40yahoogroups.com>
>> [mailto:ukha_d@xxxxxxx <mailto:ukha_d%40yahoogroups.com>]
On
>> Behalf Of Neil
>> Sent: 01 August 2010 09:06
>> To: ukha_d@xxxxxxx <mailto:ukha_d%40yahoogroups.com>
>> Subject: Re: [ukha_d] Rain Sensor - as a digital input
>>
>> On 01/08/2010 08:58, Gareth Cook wrote:
>>
>> I've used loads of these.....
>>
>> http://www.ecproducts.co.uk/productdetail.asp?cat=23&item=1&pid=1121
>> <http://www.ecproducts.co.uk/productdetail.asp?cat=23&item=1&pid=1121>
>>
>> and you'll also need one of these.....
>>
>> http://www.ecproducts.co.uk/productdetail.asp?cat=23&item=1&pid=1118
>> <http://www.ecproducts.co.uk/productdetail.asp?cat=23&item=1&pid=1118>
>>
>> and a 24 volt AC supply
>>
>> or one of these.....
>>
>> http://www.ecproducts.co.uk/productdetail.asp?cat=23&item=1&pid=1120
>> <http://www.ecproducts.co.uk/productdetail.asp?cat=23&item=1&pid=1120>
>>
>> Be careful of ones that don't have integral heaters. They will
>> indicate rain when there's only condensing dew.
>>
>> Speak to Mickey at ECP - 020 8569 4100.
>>
>> I get a good discount so you can order through me if you want to.
>>
>> HTH
>>
>> Neil
>>>
>>> I'm after a rain sensor I can use to connect as an input into
Comfort
>>> - digital input so on or off - so I can put some logic in for
the
>>> sprinklers.
>>>
>>> Does anyone use one ?
>>>
>>> tia
>>>
>>
>> [Non-text portions of this message have been removed]
>>
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>>
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>>
>>
>
>
> [Non-text portions of this message have been removed]
>
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