Industrial Automatic Control Systems and Controllers Annotation << Back Challenges of Reference Thermal Converters and RTD Manufacturing and the Ways to Surmount Them Nikonenko V.A., Yermakov A.V., Studenok E.S. The paper discusses the challenges faced by Russian temperature sensors manufacturers related with the application of domestic thermocouple wire and the ways to overcome them, It suggests to regulate platinum impurities composition as well asharmonize the set of thermometry norms and guidelines. Keywords: reference thermal converters, RTD, harmonization of standards, platinum, impurities, tolerance class, integral characteristic of platinum. E-mail: fgup@omsketalon.ru