RE: Sensor

[Williams Christopher C <CCWILLIAMS@xxxxxxx>]

Steve,

I was considering using a Humidity sensor to control the ventilation
boost in my shower room. This has the advantage that the ventilation
will continue running until the humidity has been reduced to normal
levels automatically.  Honeywell do some humidity sensors and one of
these has been made into an iButton also.  (
http://www.ibutton.com/weather/humidity.html
) The sensor spec talks
about operating from 0 - 100% RH non-condensing.  Not sure whether this
is suitable for use in a bathroom.

Cheers,

Chris Williams

> -----Original Message-----
> From:	Steve [SMTP:steve@xxxxxxx]
> Sent:	Tuesday, August 01, 2000 8:05 PM
> To:	ukha_d@xxxxxxx
> Subject:	[ukha_d] Sensor
>
> Hi,
>
> I have PIR's in most rooms, controlling the heating zoned into one for
> each
> of the three floors. With my own software monitoring movements and
> then
> trying to intellegently work out a heating schedule doing away with a
> timer
> altogether. The PIR's can also be used for the obvious - security.
>
> Now for my question. I want to detect when the bathroom is occupied to
> crank
> up the mechanical ventillation and raise the temp a few degrees. A PIR
> will
> be of little use detecting my 16 stone mass when there is little
> movement
> when i am in the tub.
>
> Can anyone recommend a suitable sensor ?
>
>
> Steve.
>
> --
>
>
>
>
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