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Date: Thu, 28 Sep 1995 09:13:58 -0700
To: m87stme@mt*.ch*.se* (Sten Meyer)
From: cherf@ci*.co* (Scott Cherf)
Subject: Re: Re[2]: Oxygen Analyzers
Cc: "William E. Sadler" <yqwyktp@bl*.bs*.co*>,

At 3:57 AM 9/28/95, Sten Meyer wrote:

>Have anyone though about lambda cells? They are used in car engines to measure
>the FO2 in the exhaust to optimise the mix for the catalythic converter.

Thought about yes, researched no.  Near as I can tell, they're about the
same price as the cells sold for the portable O2 analyzers, and in some cases
they're much more expensive, for instance the lambda sensor for a bosch
controlled 928 (porsche) runs over $190 US.  The kicker is that I *think*
they're the same technology, although auto manufacturers claim thay have
a 3 year service life.  I'd be interested in hearing from anyone that really
has looked at lambda sensors and compared them to the Teledyne etc.

Scott.

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