Sorry Paul,  just to clarify your first point, could I detect an error
by - 

if temp = 85
        change to degree F and read again
        if temp = 85 report error
        else 
        change to degree C and return 85

or will both error 85 and genuine 85 return 185 when set to degree F

Thanks
Mick

On Wed, 2011-03-02 at 17:49 -0500, Paul Alfille wrote:
> In answer to a couple of the questions:
> 
> 1. 85C will be reported in whatever temperature scale units are requested.
> 2. OWFS rechecks all 85C readings 3 times automatically, but finally
> will report 85C if the sensor reads 85C consistently.
> 3. The wine cellar uses a DS18S20 in a plastic drinking straw with
> some GE RTV silicone sealant (from the hardware store) sealing the
> end. It's been immersed and functioning for 6 years now.



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