Re: PIR's: Why trip on two detects?

[Frank Olson <Use_the_email_links@xxxxxxxxxxxxxxxxxxxxxx>]

Total nerd wrote:
> I have a dual-tech motion detector and it has a dip-switch option to
> trip alarm on two consecutive detections instead of one.  It claims to
> remove more false alarms.  So, the next obvious question is why?
> Dual-tech is already very good at removing false alarms, so why would I
> want to wait for two detections when one should tell me that
> something's moving in the room?  Anyone every use this option?
>


Some dual tech's allow you to select "either" or "both" technologies to
generate an alarm condition that will trip the relay.  That's probably
what the switch allows you to option.  What's the make and model of
detector you're using??