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NA 15 has been revised

from 2017-07-21

The NAMUR Worksheet NA 15 has been revised and may now be obtained from the NAMUR Office.

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’
(Edition: 2017-07-21)

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.


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