Re: Proximity Switches

From: (brian whatcott)
Organization: Telepath
Date:         07 Jul 96 14:15:55 
References:   1 2
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In article <airliners.1996.1092@ohare.Chicago.COM>,
>The advantages of a proximity switch over a normal micro switch are
>many, but the most important advantage is that they are absolutely
>sealed against the environment.

>A magnetic reed switch also has a longer operating life than a
>mechanical switch. The life of the reed can be measured in millions of
>operations before it is likely to fail.

Hmmm...this contribution was going well until you mentioned
the reliability of reed switches.
A reed is something that a proximity switch does not feature.