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How can i design the 4ch signal conveter of pt100 sensor

Question asked by hsp3@chol.com on Jul 7, 2012
Latest reply on Jul 10, 2012 by jtowey

Dear Everybody

 

I want to design the 4ch signal conveter of pt100 ohm sensor, the each input range is 0 ~ 100 degree(C) and output is 4mA ~ 20mA.

I do not want to use the A/D and D/A converter, and it has to be stable , we are using 4pcs ot 2 wire type pt100 sensor. 

Which is the best solution ? would you recommand a good ICs or circuit for it?

 

Best regards

 

THOMAS

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