range of pt100

 
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michelec
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PostPosted: Thu Sep 02, 2004 1:17 pm    Post subject: range of pt100 Reply with quote
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
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Sarah
Guest
PostPosted: Thu Sep 02, 2004 1:36 pm    Post subject: Reply with quote
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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