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Date:     Fri, 29 Sep 95 
From:     Kevin Rottner (rmqn56a@pr*.co*)
Subject:  re: Oxygen sensors


>I can see it now -- start a BIG fire, stick the O2 sensor in the 
fire,
>and open up the enriched-O2 bottle at the fire to measure its
>oxygen content.  Then go scuba diving as your boat burns to the 
waterline.

I love it. But wait. Instead of building a "big fire" in order to 
heat up your Lamda (Automotive Exhaust Gas) Sensors to 300+ F to work 
right, why not just mount a small butane torch right on your EAN 
cylinder ( Use a pony tamer ). That way, you have your heat source 
right next to the gas you want to analyze.

Also, this would serve another purpose. Just think of all the extra 
room you would get on a boat as everyone saw your rig (complete with 
butane torch) and slowly moved away.

I have a dumb question. We spend so much money on training and 
equipment and gaining experience as "Tech Divers", why are we risking 
the composition of our sole breathing medium at depth on some sensor 
" that you can get at discount at Pep Boys "?

I'll spend the money on a proper sensor, and then be able to 
experience descending, as well as ascending on my next dive.

Send the flames, I'm waiting.     :(       !                   Kevin

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