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Community for All Legal Metrologists
Home
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  • Volume Transfer
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  • AC Energy - Watthour
Resources
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  • Home
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  • Meeting Schedule
  • NVLAP Labs
  • Members Only
  • Labs by Echelon
    • Echelon I
    • Echelon II
    • Echelon III
    • Volume Transfer
    • Volume Gravimetric
    • Frequency
    • Temperature
    • LPGs
    • Weight Carts
    • Length
    • Time
    • AC Energy - Watthour
  • Resources
    • Mass Videos
    • Volume Videos
  • Laboratories

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Frequency

Alaska

7000 Hz to 1000 Hz

Colorado

Tuning Forks 80 mph to 20 mph

New Jersey

Tuning Forks 

≤ 7000 Hz

Virginia

Tuning Forks 

10 kHz to 2 kHz

2026

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