2. Innovation and research
3. Hydrogen

Brief description

The PTB requirements for interfaces for approval for national verification and for the issue of a for issuing a certificate of conformity correspond to the recognized rules of technology. These requirements were adopted by the General Assembly of the Physikalisch-Technische Bundesanstalt (PTB) for Verification in 1989. As of January 1, 1991, they will be used as the basis for approval testing. are taken as a basis.

Issue date

1989-12

areas / working committees

Quality Infrastructure

topic / sub working committees

Measurement technology

topics / working groups

Hydrogen measurement technology and billing methods