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NIST Handbook 44 - 2018 Edition

Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices

as adopted by the 102nd National Conference on Weights and Measures 2017

Section 1

  • 1.10.  General Code DOC | PDF

Section 2

  • 2.20.  Scales DOC | PDF
  • 2.21.  Belt-Conveyor Scale Systems DOC | PDF
  • 2.22.  Automatic Bulk Weighing Systems DOC | PDF
  • 2.23.  Weights DOC | PDF
  • 2.24.  Automatic Weighing Systems DOC | PDF
  • 2.25.  Weigh-In-Motion Systems – Used for Vehicle Enforcement Screening – Tentative Code DOC | PDF

Section 3

  • 3.30.  Liquid-Measuring Devices DOC | PDF
  • 3.31.  Vehicle-Tank Meters DOC | PDF
  • 3.32.  Liquefied Petroleum Gas and Anhydrous Ammonia Liquid-Measuring Devices DOC | PDF
  • 3.33.  Hydrocarbon Gas Vapor-Measuring Devices DOC | PDF
  • 3.34.  Cryogenic Liquid-Measuring Devices DOC | PDF
  • 3.35.  Milk Meters DOC | PDF
  • 3.36.  Water Meters DOC | PDF
  • 3.37.  Mass Flow Meters DOC | PDF
  • 3.38.  Carbon Dioxide Liquid-Measuring Devices DOC | PDF
  • 3.39.  Hydrogen Gas-Measuring Devices – Tentative Code DOC | PDF
  • 3.40.  Electric Vehicle Fueling Systems – Tentative Code DOC | PDF

Section 4

  • 4.40.  Vehicle Tanks Used as Measures DOC | PDF
  • 4.41.  Liquid Measures DOC | PDF
  • 4.42.  Farm Milk Tanks DOC | PDF
  • 4.43.  Measure-Containers DOC | PDF
  • 4.44.  Graduates DOC | PDF
  • 4.45.  Dry Measures DOC | PDF
  • 4.46.  Berry Baskets and Boxes DOC | PDF

Section 5

  • 5.50.  Fabric-Measuring Devices DOC | PDF
  • 5.51.  Wire- and Cordage-Measuring Devices DOC | PDF
  • 5.52.  Linear Measures DOC | PDF
  • 5.53.  Odometers DOC | PDF
  • 5.54.  Taximeters DOC | PDF
  • 5.55.  Timing Devices DOC | PDF
  • 5.56 (a).  Grain Moisture Meters DOC | PDF
  • 5.56 (b).  Grain Moisture Meters DOC | PDF
  • 5.57.  Near-Infrared Grain Analyzers DOC | PDF
  • 5.58.  Multiple Dimension Measuring Devices DOC | PDF
  • 5.59.  Electronic Livestock, Meat, and Poultry Evaluation Systems and/or Devices DOC | PDF
  • 5.60 Transportation Network Measurement Systems – Tentative Code DOC | PDF

Appendices

  • A.  Fundamental Considerations DOC | PDF
  • B.  Units and Systems of Measurement DOC | PDF
  • C.  General Tables of Units of Measurement DOC | PDF
  • D.  Definitions DOC | PDF

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Created December 17, 2018, Updated February 28, 2024