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Tim
The information on maintaining the sensor in a humid environment was 
presented by John lamb who has ben in the O2 sensor industry for in 
excess of 20 years. However I do not think he meant for it to be in an 
open WET dive bag. humid yes totally wet no. He has a good pamphlet on 
it and IANTD is going to publish a book he is writting on thye subject.

during tek and DEMA I was amazed at the amount of information I picked 
up from John (he was giving minimar sessions on it at our booth). Prior 
to meeting John I thought I was sharp on these units. I now know there 
is more to them than I ever imagined.
Tom 

You wrote: 
>
>I've always been told that the way to make the sensing element of an 
O2
>sensor last is to seal it away to minimize contact with air.  
>
>This is third hand, so I don't know the source, but...
>A friend of mine just came back from DEMA and said that he was told 
that the
>proper method was to keep the sensor in a humid environment (a dive 
bag for
>example).  Don't bother sealing the sensor away.  Supposedly the 
moisture
>keeps the sensor head from drying out and oxidizing.  This same person 
told
>my friend that his sensors typically lasted 3 years with this 
treatment.
>
>Anybody have any thoughts to offer on proper care and feeding of O2 
sensors?
>Is this a valid method or is this a good way to ruin an expensive 
sensor?
>What is the best way to make a sensor last?
>
>Tim Taylor
>
>taylor@ru*.ne*
>
>Great Lakes Shipwreck Festival coming up 2/24/96.  For more info or to 
find
>out about the Ford Seahorses Underwater Photo Contest and Underwater 
Video
>Contest, take a look at the web page below:
>
>http://www.rust.net/~taylor
>
>--
>Send mail for the `techdiver' mailing list to `techdiver@terra.net'.
>Send subscription/archive requests to `techdiver-request@terra.net'.
>

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