Burglar alarm PIR recommendations
 

I need to buy a couple of burglar alarm PIRs for use in a lounge and
another room. We don't have any animals, well not at the moment anyway.
Any recommendations as to what to buy?


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Michael Chare

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Burglar alarm PIR recommendations
 

Michael Chare wrote:

I need to buy a couple of burglar alarm PIRs for use in a lounge and
another room. We don't have any animals, well not at the moment anyway.
Any recommendations as to what to buy?

I've installed Activ8 Dual-Tech ones (combined PIR and microwave doppler
sensors) spiders haven't managed to set them off so far.

Burglar alarm PIR recommendations
 

On 25/07/2016 20:27, TheChief wrote:
Andy Burns Wrote in message:
Michael Chare wrote:

I need to buy a couple of burglar alarm PIRs for use in a lounge and
another room. We don't have any animals, well not at the moment anyway.
Any recommendations as to what to buy?

I've installed Activ8 Dual-Tech ones (combined PIR and microwave doppler
sensors) spiders haven't managed to set them off so far.



+1 for dual tech passives if there's a chance of false alarms.

Phil



Don't most of the alarm PIRs, even the cheaper models, have a counter
thus requiring x number of transitions in a defined time to set them off?

I had one with my letter box in the field of view. It was set off in
winter when the postman delivered a lot of cold letters to my warm
house. The PIR is now positioned over the front door and misses the area
just behind it.

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Burglar alarm PIR recommendations
 

Andy Burns Wrote in message:
Michael Chare wrote:

I need to buy a couple of burglar alarm PIRs for use in a lounge and
another room. We don't have any animals, well not at the moment anyway.
Any recommendations as to what to buy?

I've installed Activ8 Dual-Tech ones (combined PIR and microwave doppler
sensors) spiders haven't managed to set them off so far.



+1 for dual tech passives if there's a chance of false alarms.

Phil
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Burglar alarm PIR recommendations
 

In article ,
TheChief writes:
Andy Burns Wrote in message:
Michael Chare wrote:

I need to buy a couple of burglar alarm PIRs for use in a lounge and
another room. We don't have any animals, well not at the moment anyway.
Any recommendations as to what to buy?

I've installed Activ8 Dual-Tech ones (combined PIR and microwave doppler
sensors) spiders haven't managed to set them off so far.

+1 for dual tech passives if there's a chance of false alarms.

Mine are all dual-tech.
I've had long-life from Pyronix and Guardall dual-techs.
Focus on the other hand were so bad I sent them all back
(their anti-masking detectors kept false triggering and
cannot be disabled).

Of course, this doesn't necessarily indicate the quality
of similar products you might buy today.

--
Andrew Gabriel
[email address is not usable -- followup in the newsgroup]