On Fri, 17 Sep 1999, H Henning wrote:

> These things have a limited shelf life and you want a factory fresh sensor,
> not one that may have been sitting around in a dive shop for a long time and
> possibly stored under adverse temperature and humidity.   I suspect this is
> one reason why dive shops don't usually stock them.

Actually, that's not the case.  Sensor manufacturers pack their
product in gas-tight bags containing either pure nitrogen or
pure argon.  Galvanic cells are effectively "put to sleep",
and have indefinite shelf life if they are not exposed to
oxygen.  So as long as the bag containing the sensor does
not have any holes (easy to check), then the sensor is
almost certainly fresh.

Regards,

-Will



 
> regards,
> 
> Hans
> 
> ----- Original Message -----
> From: Cam Banks <cam@ca*.co*>
> To: Techdiver Mailing List <techdiver@aquanaut.com>
> Sent: Friday, September 17, 1999 2:46 PM
> Subject: Ceramatec O2 sensor
> 
> 
> > Where can I buy the Ceramatec CAG-250E sensor online?  I have not gotten
> > a reply from John's Scuba (mentioned in the archives) and the Ceramatec
> > site doesn't appear to take orders either.  I suppose I could actually
> > call someone, but this is the internet age...  Thanks.
> >
> > Cam
> > --
> > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
> > Cameron Banks                               408-821-6314 cell
> > Applied Materials Account Manager           888-731-6502 pager
> >                                             408-934-0500 office
> >                                             408-934-0707 fax
> > Aera Corporation
> > 422 S. Hillview Drive                       e-mail: cam@ae*.co*
> > Milpitas, CA 95035                          http://www.massflow.com
> > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
> > --
> > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'.
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> >
> 
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