Thermocouple reference tables based on the IPTS-68

Reference tables for several thermoelements versus platinum (Pt-67) are given with values of the thermoelectric voltage as a function of temperature in degrees Fahrenheit.Only tables for standard letter-designated thermoelements are included: Types BP, BN, JP, JN, KP (same as EP), KN, TP, and TN (same as EN).These tables supplement those given in NBS Monograph 125 and were calculated from the power series expansions presented in that Monograph.They are based upon the absolute electrical units and the International Practical Temperature Scale of 1968 (IPTS-68).