On Tue, Sep 07, 2004 at 06:14:25PM +0200, Christian Skovdal Andersen wrote:
> 
> Jeg har på det sidste undret mig over at mine øl har været lidt til
> den søde side. Så fik jeg fat på et digital termometer og opdagede at
> det termometer jeg har brugt det sidste stykke tid viser for meget ved
> lave temperaturer (30-40 gr C) og for lidt ved højere temperaturer
> (60-70)-. Det forklarer en del. Ved 100 gr C viser det self. Hvad det
> skal.
> 
> Er der nogle der ved hvor man køber et termometer der er nøjagtig, uden at 
> blive flået?

No idea about shopping.

Are you sure your digital meter is the more precise of those two. Just
because it can display with two decimals does not indicate that those
decimals would be right!

I presume you have calibrated both meters at 100 degrees and at 0
degrees (boiling water and ice water). Maybe you can carefully mix those
two waters in equal proportions (in a well insulated container, like a
thermos bottle), and get something pretty close to 50 degrees, for
calibrating another point. There must be a better way to calibrate the
linearity of a thermometer...

-H

-- 
Heikki Levanto   "In Murphy We Turst"     heikki (at) lsd (dot) dk



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