Please send your calibration request directly to our functional address: massenormale(at)ptb.de
Head of Working Group
E-mail: 
beatrice.rodiek(at)ptb.de
Phone: +49 531 592-4550
Mass Scale 1 mg - 5000 kg,
Research and Development in the field of Mass Determination
E-mail: frank.scholz(at)ptb.de
Phone: +49 531 592-1111
Determination and Calibration of Mass Standards,
Consultant Mass (DAkkS),
Approval and Examination of Grain-tester
E-mail: michael.haempke(at)ptb.de
Phone: +49 531 592-1113
Determination and Calibration of Weights and special Mass Standards (force discs) (1 g to 5 t),
Determination of the Density of Mass Standards (2 kg to 50 kg),
Dataprocessing, Quality Control of Measurement Equipment
E-mail: thomas.tippelt(at)ptb.de
Phone: +49 531 592-1117
Determination and Calibration of Mass Standards,
Research and Development in the field of Mass Determination
E-mail: alexander.a.schofeld(at)ptb.de
Phone: +49 531 592-1115