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Re: Very sensitive PIR's or DualTech?



I have played with dual tech sensors quite successfully, the ones I have
use
jumper pins to allow the LED to be switched for setting up by the
microwave,
PIR or both, i.e. in alarm. The microwave pin is normally not connected so
can be used as an output to switch a Homevision input port, the microwave
section is very sensitive and picks up well before the complete unit
triggers. You get the best of both worlds, a reliable alarm detector and
sensitive occupancy sensor.

Alancc


----- Original Message -----
From: psghome2002 <psghome@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Sunday, February 17, 2002 11:16 PM
Subject: [ukha_d] Very sensitive PIR's or DualTech?


> As mentioned in earlier messages, I've been experimenting with
> PIR's, HomeVision and LD11's. I'm trying to find the best kit to get
> as close to the 'perfect' automated lighting system (which has been
> the subject of discussion here many times before, I know).
>
> I've so far tried pyronix and AlarmComm black mirror (very sexy
> looking) PIR's but they just take too long to trigger (A function of
> the stability of the units I guess). I don't want to use the extra
> PIR's I install for security necessarily (I could devote several
> more stable PIR's for security alone), but purely for light
> triggering with a suitable timer (say 10-15 minutes) and other logic.
>
> My question is - has anyone found a suitable PIR for this task i.e.
> triggers really quickly (without too many false detections) and
> looks good on the wall?
>
> I suppose my other options are pressure mats, beam breaks and Dual
> tech/microware sensors. Anyone using these successfully?
>
> Paul.
>


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