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National Legal Metrology Working Groups
NIST OWM leads and manages a series of national weights and measures and legal metrology technical working groups, including three U.S. National Work Groups (USNWG) administered under individual Charters and Operational Guidelines.
The National Legal Metrology Working Groups include:
- Electric Vehicle Refueling and Submetering (USNWG)
- Field Reference Meters (USNWG)
- Hydrogen Measuring Systems (USNWG)
- Taximeters and Transportation Network Measuring Systems
- Unit Pricing
Each page provides further details regarding the specific working group objectives, anticipated deliverables, and relevant operational guidelines and charters (for the USNWGs).