In article pPtqd.410498$wV.201320@attbi_s54,
Jay Honeck wrote:

When www.Aeromedix.com started advertising their "CO Experts" low level
[snip]
The unit updates every SIX seconds, so it reacts very quickly to

I ran into a guy with the cowling off his 182 the other day. He had
gotten one of those units and discovered that his heater was producing
some CO. He was very happy about the ability to measure low levels (not
just thresholds) and move it around the cabin to find where the CO was
coming in.

Oddly his exhaust had pressure tested good (and this is on a freshly
overhauled engine) so just as a precaution he was replacing all the
vent related SCAT tubing.

--
Ben Jackson

http://www.ben.com/