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Re: DIY O2 (Lambda) gas analyser

To: Menno.Meijer@ict.nl
Subject: Re: DIY O2 (Lambda) gas analyser
From: Trevor Boicey <tboicey@brit.ca>
Date: Thu, 11 Apr 2002 11:48:27 -0400
Menno.Meijer@ict.nl wrote:
> Q2: Do these commercial analysers use a O2 (lambda) sensor
>     too?
> 
> Instead of buying such an analyser I'm interested in
> building one myself. 

  You might just drive yourself a little nuts using
a lambda sensor and trying to get meaningful data out
of them.

  They will say if you are rich or lean, but it's very
hard to get a value out of them that indicates that
you are correct. In operation, the output oscillates
between over and under rapidly, and the computer compensates
and it makes a feedback loop.

  In theory, you would just turn knobs on the carb
until the sensor output the right voltage and you'd
be done, but it doesn't generally work that well.

-- 
Trevor Boicey, P. Eng.
Ottawa, Canada, tboicey@brit.ca
ICQ #17432933 http://www.brit.ca/~tboicey/
"Trying is the first step towards failure." - Homer Simpson

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