This document recapitulates Pt100, Ge, T,J T, J data from NBS Monograph 125 Pt 100 from BIPM Ge from LakeShore ... not available anymore. It illustrates linearisation between the sensor and reading. Linearisation via the XTR or input card. Functions are demonstrative. Suppliers have their own. Ranges 0.05°K ... up above FP Copper [1084 °C] Cheers ... Jean.