Aerzener Maschinenfabrik manufactures rotary piston gas meters which are based on years of manufacturing experience as well as customer demands. The rotary piston gas meters meet the requirements of the EU standards making them suitable for use in the Eurpoean Market. Moreover, these devices corresponds to the quality assurance specifications of DIN ISO 9001 as well as the pressure device guideline DGRL 97/23/EG. Lastly, AERZEN gas meters adhere to the Measuring Instrument Directive 2004/22/EC (MID) standards.