Physikalisch-Technische Bundesanstalt

• Physikalisch-Technische Bundesanstalt
• – PTB –

Agency overview
Formed	1887; 137 years ago (1887)
Preceding agency	Physikalisch-Technische Reichsanstalt, Charlottenburg
Type	Higher federal institute
Jurisdiction	Federal Ministry for Economic Affairs and Climate Action
Headquarters	Braunschweig
Employees	1900[1]
Agency executive	Cornelia Denz, President[2]
Website	ptb.de

The Physikalisch-Technische Bundesanstalt (PTB) is the national metrology institute of the Federal Republic of Germany, with scientific and technical service tasks. It is a higher federal authority and a public-law institution directly under federal government control, without legal capacity, under the auspices of the Federal Ministry for Economic Affairs and Climate Action.