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bee_man

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not ir beams, i'm taliking external motion detection such as WatchOuts or Optex PIR units, how would washing ever affect beams - unless you hung it on it lol!

I see. Thought you had lost the plot there for a second.

www.securitywarehouse.co.uk/catalog/

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had a good laugh today, been on the take over/upgrade over for ages.

 

Today i'm investigate existing flat roof detection between offices and warehouse's. Previous co had used Optex external detectors that are really more suited to auto lighting.

 

Found whoever, had put the dusk adjustment half way up, meaning no detection during daylight hours.

 

i thought how considerate of that engineer towards our decent hard working burglars lol!

If you think education is difficult, try being stupid!!!!

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They are pretty tight when fitted together, have to admit, but as are most now.

A drain hole?

Asking for trouble IMHO with anything for ingress of insects.  Then again you say 2  yrs + now.

 

How many battery changes needed?  As they will be Hot/Cold and exposed to rapid temp drops.

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