range of pt100

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michelec

range of pt100

Post by michelec » Thu Sep 02, 2004 1:17 pm

I need to know if pt100 can be used below -200 °C, and if in that case
can be used this relation Rt = R0 * (1 + A* t + B*t2 +C*(t-100)* t3),
picked from
http://www.picotech.com/applications/pt100.html

thanks

Sarah

Post by Sarah » Thu Sep 02, 2004 1:36 pm

Hi

Thank you for your post.

The PT100 sensors that we sell have a lower boundary of -50 degrees C and therefore could not be used in temperatures of -200 degrees C.

For more PT100 sensors you might like to try Kalestead.

If you use the PT104 four channel converter then all the linearisation that you mention is done in the software.

Hope this helps

Best Regards

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