Mats calibrated the thermometer and indeed he saw the 1 degree offset in
calibration. Temperature of icy water was measured 1.0°C. Therefore this
error is known.
—Jouni
sunnuntai, 9. lokakuuta 2011 Horace Heffner <hheff...@mtaonline.net>
kirjoitti:
>
> On Oct 8, 2011, at 1:51 PM, Jed Rothwell wrote:
>
> This was shown in the video on the table. Lewan says this was a Termometro
a 4 canali TM-947 SD.
> 4 canali evidently means you can attach up to 4 thermocouples.
>
http://www.bergamomisure.it/parametri-ambientali/termometri/termometro-datalogger-4-canali-tm-947-con-scheda-sd.html
> - Jed
>
> Not very accurate for this purpose.
> "Risoluzione: 1°C , 1°F / 0.1°C,0.1°F"
> I take it this means 1°C absolute, and 0.1°C relative.
> This means for a 5°C delta t there could be 2°C error, or 40%.
> Best regards,
>
> Horace Heffner
> http://www.mtaonline.net/~hheffner/
>
>
>
>
