RE: 1 Wire Mounting options

["Rodney Hall" <rmh@xxxxxxxxxx>]

>
> What height do you intend to mount these in your rooms ?
>
> I have run a long term comparison between a 1 wire
> temperature sensor at about 1.5M and another directly above
> at about 2.4M. The room is not heated at the moment, it is a
> basement room which will eventually have UFH. Both probes
> read the same temperature with the door closed and no heat
> source, this is somewhere between 8 and 10 degrees C. However
> if I vent my Node 0 into the room with air temperature
> between 20 and 25 degrees C then the temperature of the probe
> at 1.5m is pretty stable but the probe mounted higher is
> affected by the in rush of warmer air (at that height?).
>
> This variation may be able to be compensated for in S/W
> although it is not linear and does depend on air movement
> more than the absolute temperature. The question really is
> which more closely reflects the feeling of comfort perceived
> by a human...
>
> I had hoped to place the sensors high in the room but I am
> concerned that this will not manage the temperature where we,
> as humans, want it between 1 and 2 metres from the floor.
>
> Nigel

Standard practise in heating is to mount thermostats/sensors at around
1.5m.
I always say eye level.

--
Rodney Hall
Dum spiro spero
While I breathe, I hope
~~~~~~~~~~~~~
rmh@xxxxxxx
http://rmhh.co.uk/
http://rmhh.org.uk/
~~~~~~~~~~~~~~