RE: Occupancy detection

["Hawes,Timothy Edward (GEG)" <haweste@xxxxxxx>]

This was posted just before Christmas to another group - as you can see the
PIR would appear to be pretty sensitive ! Apologies for the delay, I'm
slowly working my way through the digest emails :-)

HTH,

Tim


<quote>

Hi Dan,Just letting you Know Whats happened since our last Post,I
have found the perfect sensor for the lights.After spending an
absolute fortune (thankfully not mine) on every known PIR known to
man and also trying various CCTV motion detector systems (all with
there own little gliches and draw backs) I am using a Microwave
sensor (one of many tried) which is perfect for this situation. The
sensor is made by EX-OR Limited (EX-OR@xxxxxxx) and is  a new
model MR1500P MID RANGE LIGHTSPOT. Although its a bit expensive at
95.00 it does absolutly everthing I want it to do and with a
normally open relay I have got it working perfect with Comfort.This
sensor can be adjusted to even the movement of your chest moving as
you breath.Thanks Dan for your help and interest in the
passed...Mark.

</quote>

-----Original Message-----
Date: Thu, 3 Jan 2002 19:27:57 -0000
From: "Alancc" <alan.cc@xxxxxxx>
Subject: Re: Occupancy detection

I bet you have a proper switch in you bathroom.

We have recently done a job for a commercial client who has sensors in the
loos and washrooms, they seem to work on sound, its impossible to have a
pee
without activating them even without hitting the water (enough detail),
they
also pick up motion just moving your fingers is enough.
I will try to find out what they are and how they work.

Alancc (quietest pee'er in Suffolk)

----- Original Message -----
From: Mark Harrison <Mark.Harrison@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Thursday, January 03, 2002 4:12 PM
Subject: [ukha_d] Occupancy detection
>
>
> In Mary's bathroom it's even worse. After being cast into the dark
twice
> (once while on the loo, once while in the bath), she has taken down,
and
> hidden the PIR. With the bath, I can imagine that a pressure-pad
> solution would work (ie if the bath is full of water, then the room is
> deemed to be occupied, and don't worry about distinguishing between
> "full of water" and "full of person".) On the loo,
a "break beam" type
> of thing could tell if someone were sitting on it.
>
>
> Any one got any thoughts about this.
>
>
> Mark Harrison
> Head of Systems, eKingfisher


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