----- Original Message -----
From: "Alan B. Pearce" <A.B.Pearce@RL.AC.UK>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Monday, February 10, 2003 7:35 AM
Subject: Re: Temperature sensors - PT100


> >There is at least one incorrect of such a table on the
> >net.  I don't remember which one right now, but when
> >compared to my spread sheet and other similar on-line
> >tables, there were minor errors.  Possibly a chart data
> >entry or something. {slewrate}
>
> Are you sure that they are actually table entry errors, or are they
actually
> different slopes/calibration points? It was not till after I had sent the
> mail, and was closing the browser window that I realised this table has 7
> different Pt100 references in it, depending on the 100 ohm temperature (0C
> or 32F, it would be easy to select the F table instead of C), and the
alpha
> value of the resistor. I gave just the first one (00385 Alpha) and it
looks
> like this is probably the most common used. I had not realised that there
> are different Alpha values available.

I'm sure!  I think it was in a PDF.  I don't have the time to re-search for
incorrect data to prove it to you.  If you don't believe me, that's ok!
{slewrate}

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