NPL and PTB agree, that PTB will perform calibrations on high DC voltages above 10 kV and on instrument transformers for customers of NPL. The relevant ranges and uncertainties of the calibrations are listed in PTB‘s CMC list.
Progress report submitted in March 2004. PTB will inform NPL in due time, at least one year in advance, if for any reasons they will no longer be able to maintain these services.
Final Report 2018-08-14
NPL does not see the need to keep this agreement open.
Progress Report 2013-03-01
Branch 1 8
Branch 2 8