NA 15 has been revisedfrom 2017-07-21
The document differs from NE 15 edition 2006-05-31 beside editorial adjustments as follows:
- NE changed to NA
- The list of standard measurement systems in section 8 has been extended to include ultrasonic gas meters.
- State-of-the-art up-date
Abstract NA 15 ‘Flow meters for gaseous media meeting increased accuracy requirements’
The object of this worksheet is to offer an aid to decision-making in relation to the equipping of measuring stations for gaseous media used in commercial and/or official business for internal calculation measurements as well as for measuring devices with increased accuracy requirements. Therefore standard measurement systems are presented and selection criteria given.