Where can I buy carbon monoxide detectors that sound at 10ppm?

carbon monoxide detectors amazon image

luvtropics

The ones in stores usually sound alarm at 70ppm.
i understand it's wise to have more sensitive lower level detection (10ppm) with little ones in the home because it takes less to affect them.

Answer
Check this
http://www.amazon.com/gp/search?ie=UTF8&keywords=carbon%20monoxide%20detector&tag=189-20&index=blended&linkCode=ur2&camp=1789&creative=9325

Did the halogen lights set off my fire alarm?

Just Curio

I was using two of these (http://www.amazon.com/Fancierstudio-Halogen-Lighting-Barndoor-Focusable/dp/B005UG88DK/ref=sr_1_2?ie=UTF8&qid=1367700368&sr=8-2&keywords=fresnel) to shoot a few scenes in my basement and they were in the same room as what I thought was just a smoke detector (although now I think it maybe detects some other stuff too). The fire alarm went off and my family constantly complains about the strange smell they put off, kind of burnt-smelling, but not exactly. Anyway, would the heat from the lights set a fire alarm off? Do smoke detectors detect heat too? But they weren't near the detector, just in the same room. Also do halogen lights release carbon monoxide? These may be carbon monoxide detectors too...

Answer
Your answer is No, No, No. Your smoke detector is most likely an ion detector. Those hot lights are turning dust , mold etc. into ions and is setting off the alarm. Only way to get carbon monoxide is incomplete combustion of carbon based fuel. Lights are not issue. Suggestion, if this is a problem go to the big box store and get a smoke alarm that is a "photoelectric" type and it will do the job and not get set off by hot lights. They are actually better as they will detect slow smoky fires way before the ion type.

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