Instrumentation engineer here, but RTD is not linear? Near linear but usually even for industrial use there is a three term polynomial correction applied. The

Instrumentation engineer here, but RTD is not linear? Near linear but usually even for industrial use there is a three term polynomial correction applied. There's a whole standard devoted to the subject, DIN/IEC 60751. Useful reference from TI : https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.ti.com/lit/pdf/snoaa67&ved=2ahUKEwjDuJqAvLf4AhW71DgGHQXQDk0QFnoECAsQAQ&usg=AOvVaw0CcxqxgXS48uFHNQ15W_Zr https://www.google.com/url?sa=t&source=web&rct=j&url=https:/...