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Date: Wed, 2 Oct 1996 10:51:24 -0400 (EDT)
From: Roderick Farb <rfarb@em*.un*.ed*>
To: Richard Pyle <deepreef@bi*.bi*.ha*.or*>
cc: rfarb <rfarb@na*.ne*>, Peter Heseltine <heseltin@hs*.us*.ed*>,
     techdiver@terra.net
Subject: Re: Figure deco on the fly was Fwd: Real Life Scare
Rich, the thing about O2 sensors- believe it or not, I work with my
sensors a lot in the unit and in the pressure pot- both interfaced to my
Desert Star computer that output each MV and pO2- from 0.7 to 1.4- and I
am very familiar with their behavior and idiosyncrasies. I trust them and
the knowledge I have of them implicitly so that if, for ex., I have two
that I feel are not right and one that I felt was right on, I would turn
off electronics and manually dive it for whatever time was appropriate for
the depth- shallow forever, deep until I got shallow. For non-rebreather
divers and for non-diving-scientist-rebreather experts, this is a hard
concept to swallow. A physiologist/biochemist must know and trust buffers;
a CC rebreather diver must know and trust sensors.

On Tue, 1 Oct 1996, Richard Pyle wrote:

> 
> 
> Thanks.  Hey, can you post the source of that stuff you use to disinfect 
> the loop? I wan't to try some.
> 
> Rich
> 
> P.S. The real trick is to confirm that the senosrs are telling you the 
> correct peotou.  I talked to a couple of the USN guys about the 
> condensation on the sensor thing, and they said they've never had it 
> before.  It might be because of the placement of the sensors within the 
> Mk-16 unit, but it might be a dive duration ting.  I only see the problem 
> after about 90 minutes or more, and even then only rarely.
> 
> On Tue, 1 Oct 1996, rfarb wrote:
>  
> > Good post, Rich. Your rationalization works for me. And, on the
> > BioMarine, I've got four ways to notice whether I got the right amount of
> > peotouze. Rod
> --
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> 

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