A Euromet international laboratory comparison (Project 393) has been carried out between 14 national standards laboratories. Thermistor mounts were used, equipped with PC7 as well as Type N connectors. The comparison is carried out using the normal equipment of the laboratory for high-quality external calibration. The results show good agreement in measuring the calibration coefficient of the thermistor mounts within the claimed expanded uncertainty (typically between 1% and 2%). It confirms the equivalence of national standards for RF power up to 18 GHz. In one case, corrective action is proposed.
['J.P.M. de Vreede', 'W. Korfage', 'P. Persson', 'L. Brunetti', 'V. Lopez', 'I. Petras', 'Philippe Morard', 'F. Hejsek', 'A. Torok', 'J. Ruhaak', 'J. Ascroft', 'Edward T. Dressler', 'M. Celep', 'R. Lapuh', 'J. Achkar']
International comparison for RF power in the frequency range up to 18 GHz