RE: Measuring CH water temperature?

["Phil Harris" <phil@xxxxxxxxxxx>]

Yup - hence my "I used to use a jubilee clip and a bit of foam
pipe lagging
to hold DS18S20's to the flow and return pipes to the heating coil of the
cylinder in my old house - worked fine."...

;-)

Phil

> -----Original Message-----
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf
> Of Neil Ball
> Sent: 17 May 2008 09:10
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] Measuring CH water temperature?
>
> You will get a more accurate reading if you insulate over the top of
> the
> sensor, use some climaflex pipe insulation or similar which should be
> readily available from the DIY sheds.
>
>
>
> Neil B.
>
>
>
>   _____
>
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf
> Of
> Phil Harris
> Sent: 16 May 2008 23:54
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] Measuring CH water temperature?
>
>
>
> Piers,
>
> You *REALLY* don't need the heatsink paste between the two surfaces
...
> heatsink paste is supposed to fill in minute imperfections between two
> very-close-to-perfectly-smooth surfaces such as the top of a CPU and
> the
> base of a heatsink, whacking it between a DS18S20 and a copper pipe is
> likely to be at best just a source of gloopy mess and at worst could
> actually act as a *BARRIER* to the DS18S20 gatting a decent
temperature
> reading...
>
> Phil
>
> -----Original Message-----
> From: ukha_d@yahoogroups. <mailto:ukha_d%40yahoogroups.com>
com
> [mailto:ukha_d@yahoogroups. <mailto:ukha_d%40yahoogroups.com>
com] On
> Behalf
> Of
> Piers Kittel
> Sent: 16 May 2008 17:19
> To: ukha_d@yahoogroups. <mailto:ukha_d%40yahoogroups.com>
com
> Subject: Re: [ukha_d] Measuring CH water temperature?
>
> Phil, Jim, Neil, Nigel and Ake,
>
> On 15 May 2008, at 19:11, Phil Harris wrote:
>
> > I used to use a jubilee clip and a bit of foam pipe lagging to
hold
> > DS18S20's to the flow and return pipes to the heating coil of the
> > cylinder
> > in my old house - worked fine.
> >
> > Phil
>
> Yeah - I've been thinking about it a lot today and have decided I'm
> just being overkill and a DS18S20 sensor with heatsink paste between
> the sensor and the pipe, all jubilee clipped to the pipes and some
> sort of silicon sealant like cover would be more than sufficient for
> my needs. The sensor is rated up to 125 deg C anyway, which is way
> more than the 90 deg C maximum my boiler can output.
>
> Thanks to everyone for all your help - was a lot of use in calming
> down my thoughts! :)
>
> Regards - Piers
>
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