IEC 60584-1:2013 Thermocouples - Part 1: Ed. 3.0: EMF specifications and tolerances
IEC 60584-3:2007 Thermocouples - Part 3: Extension and compensating cables - Tolerances and identification systems
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results - Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method