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Order and contact

Orders may be placed by e-mail, mail or by fax; they should comprise the following information:

  • Name and address
  • Customers order number
  • Address for deliveries and invoice address
  • Radionuclide and type of activity standard (e.g. solution, point source, area source)
  • Desired specific activity (solutions) or desired activity (solid sources)
  • Information about tolerable deviations from the activity ordered


Physikalisch-Technische Bundesanstalt
Fachbereich 6.1
Bundesallee 100
D-38116 Braunschweig


+49 (0) 531-592-6305

Telephone (E-mail):

+49 (0) 531 592-6314, Stefanie Hennig (Opens local program for sending emailaktivitaetsnormale(at)ptb.de)
+49 (0) 531 592-6110 (Opens window for sending emailOle Jens Nähle)
+49 (0) 531 592-6100 (Opens window for sending emailDirk Arnold)



Physikalisch-Technische Bundesanstalt

is the national metrology institute in Germany. It is providing scientific an technical services for the citizens and is parallel the highest technical authority in metrology and partitial in safety engineering.
PTB is an business devision of the Federal Ministry of Economics and Labour (BMWA) and employs about 1500 staff members in the sites of Braunschweig and Berlin.

If you are interested in training with us, please contact our staff department:

Physikalisch-Technische Bundesanstalt
Bundesallee 100
38116 Braunschweig

Scientific Instrumentation
Prof. Dr.-Ing. Frank Löffler
Mail: frank.loeffler(at)ptb.de
Phone: +49-531 592-5500
Fax: +49-531 592-5505

Responsible trainer:

Technical draughtsperson:
Dipl.-Ing. Heinz Lüllmann
Mail: heinz.luellmann(at)ptb.de
Phone: +49-531 592-5510

Precision mechanics

Ulrich Nause
Mail: ulrich.nause(at)ptb.de
Phone: +49-531 592-5316