Accessibility
The accessibility statement provides information on the accessibility of the website or web application in accordance with Section 12a of the Disability Equality Act. It also provides contact details so that you can report any accessibility issues.
The Physikalisch-Technische Bundesanstalt is committed to ensuring that the ‘Digital Metrology’ website is accessible. The legal basis for this is the Disability Equality Act (BGG), the Ordinance on Accessible Information Technology (BITV 2.0) and the harmonised European standard EN 301 549, in their currently valid versions.
Status of compliance with requirements
The ‘Digital Metrology’ website underwent an accessibility test on 9 May 2026 using the ‘Wave’ browser extension and the ‘Lighthouse’ Chrome tool.
With a few exceptions, the Digital Metrology website complies with the BITV requirements. Of the 22 applicable test steps, 22 meet the BITV requirements.
Report accessibility issues! Feedback on accessibility
Have you noticed any issues with accessible access to content on dmet.ptb.de? If so, please do get in touch with us. To do so, please use the
You can also contact us by post or email:
Physikalisch-Technische Bundesanstalt (PTB)
Z.162 Mediengestaltung
Bundesallee 100
D-38116 Braunschweig
E-Mail: mediengestaltung@ptb.de