Re: Choosing PIR sensors

[Mark Johnson <poco.loco@xxxxxxx>]

As a Security alarm surveyor and 11 years experience of installing, I have
found that a reliable PIR such as the Alarmcom PIR's with Fuzzy logic and
mirrored optics to be the most reliable. This means that position of the
sensor
is not so critical, i.e.. looking at large areas of glass. I am not a fan
of
Duel Tech sensors and would rate the alarmcoms as more reliable every time.
hope this is of interest.

Nigel Orr wrote:

> It will also replace my current alarm system, and I'm planning to add
some
> extra sensors at the same time, which is where my question comes in-
anyone
> got any recommendations for good, nice looking, reliable PIRs?  There
are
> about 101 suppliers, and I'd normally just try a couple of promising
ones
> and get my favourite- if anyone has any recommendations to start with,
that
> would be great though... particularly if anyone has used the dual
> (microwave/PIR) ones.
>
> They will be used for HA as well as security (which I know shouldn't
really
> affect things)
>
> Thanks,
>
> Nigel
>
>
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