Try the air battery O2 sensor from Figaro. It's about $75, has a relatively
high level output, it's stable and has a good long life.

--Tom Rogers  VP-R&D  Time Tech Inc.

-----Original Message-----
From: richard skinner <rwskinner@WORLDNET.ATT.NET>
To: PICLIST@MITVMA.MIT.EDU <PICLIST@MITVMA.MIT.EDU>
Date: Wednesday, January 07, 1998 12:38 AM
Subject: Re: [OT] CO sensors - old thread, new source


>On the other hand, I'm looking for o2 sensors  that go from 0% to
>25% or so, ofcourse it will be spanned for 20.9
>
>The ones I have been using are $150 each, and have an output of
>.0315 @ 21% O2.   This is not bad, but the price is High, its has
>cheap construction and short life, and hard to get.