This standard applies to rotary-type positive displacement meters designed for revenue measurement of fuel gas.

Part I comprises a list of definitions and terms used throughout the standard.

Part II covers the construction requirements for qualifying new-type rotary meters.

Part III covers the performance requirements for qualifying new meters and new-type rotary meters.

Part IV covers "in-service" performance requirements for rotary-type meters.

Part V addresses installation requirements for these meters.

Part VI pertains to auxiliary devices used with meters covered by this standard.

Part VII covers test methods and equipment.