Comparison of the measurement of current transformers: EUROMET projects 473 and 612

The EUROMET Project 473 "Comparison of the measurement of current transformers" started in April 1999, with eleven European National Measurement Institutes (NMI), and was completed in June 2001. A supplementary comparison Project 612 began in December 2000, with a further four NMIs and is estimated to be completed in April 2002.