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Very Precise : Gauging and Standards Inspection Services.

Experience, Expertise, Reliability. These are just some of the traits that help us support you – for the entire lifecycle of your gas measuring devices. We are there for you as state certified inspectors in Berlin, Brandenburg, , Hamburg, Mecklenburg-Western Pomerania, Saxony, Saxony-Anhalt, Schleswig-Holstein and Thuringia. Our engineers consult you in everything from planning and operational startups to revisions and calibrations. During operation, we can also oversee maintenance of your natural gas measurement instruments. Depending upon the equipment's manufacturer, we support public utilities, chemical plants, power grid operators, storage system operators, power plants and biogas plant operators. You can count on our know how and service.

All certificates for the state approval of a inspection body for measuring instruments for gas can be found here.

Our company is certified according to the requirements of the standards:

ISO 9001:2015
ISO 14001:2015
ISO 45001:2018


DVGW Inspections


  • approval of gas pressure regulators according to DVGW-Worksheets 491/492
  • approval of transition pressure tanks according to DVGW-Worksheet G 498
  • creation of verification statements according to §5 GasHDrLtgV
  • provision of preliminary and final certifications according to §6 GasHDrLtgV
  • safety inspections and evaluations
  • consultations for necessary conversions

Custody Transfer Services


  • calibration and on-site inspections of electronic volume-, density- and flow correctors as well as other computerized equipment
  • calibration of process gas chromatographs (PGC)
  • calibration of other correction computers and measurement instruments (correlative measurement), excepting calorimeters
  • official commissioning of new gas detection technology
  • monitoring / inspection of reparation on calibrated measuring devices
  • execution of certification for official gauging and regulatory authorities

Technical Measurement Service


  • revision of volume and gas composition measurement systems
  • performing maintenance of gas quality measuring devices (PGC)
  • commissioning of unofficial measuring points
  • provision of certified testing gases
  • consultation in the implementation of technical measuring concepts and communication connection
  • fault analysis of gas measuring devices and assistance in elimination


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Responsibility: Today for Tomorrow.

We accept responsibility for the environment and our role in society; particularly in those regions where we are actively present. Transparent and sustainable actions, social involvement and open communication are not just buzz words to us but, rather an everyday reality.

Effective: Integrated Management Systems


We have it in writing: the integrated management systems which we have developed and put into use works. At its core is the constant improvement of quality in our process structures – including the fulfillment of high standards in place for safe facility operations and protection of the environment.

Certifications and Further Info

audit berufundfamilie logo

Exemplary: Job & Family


Yes, we are family conscious: On June, 25 ,2019 we received a certificate for the audit "berufundfamilie" with permanent character, which once again acknowledges our personnel and family policy.

Certifications and Further Info









DVGW G 1000


The Technical Safety Management of VNG Gasspeicher GmbH was successfully audited by the DVGW in accordance with the requirements of DVGW Code of Practice G 1000. In this worksheet, the requirements for companies for the operation of gas supply plants are presented with regard to the structural and procedural organization.

Certifications and Further Info

Our contact with calibration services