S&T Committee

Specifications and Tolerances Committee

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The Specifications and Tolerances (S&T) Committee is dedicated to issues related to the design, testing, tolerances and user requirements for commercial weighing and measuring devices.  This broad scope includes scales, meters, measure containers, grain analyzers, taxi meters, timing devices, length measuring devices and more.  The standards adopted through the S&T Committee are published in Handbook 44 Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices .

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Charge:
The Task group will oversee further vetting and development of item MOS-26.3 of the Laws and Regulations Committee and item LMD-26.1 of the Specifications and Tolerances Committee, determine whether both are needed, and decide whether they should move forward contingent on each other. In addition, if MOS-26.3 is determined to have merit, the task group will develop the final language and include it in the Uniform Fuels and Automotive Lubricants Regulation, section 3.2.5 to align both sections.

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Mission: 
To review (possibly recommend) changes to the tolerances that apply to milk meters, which may include milk measuring systems in:

  • Section 3.31. Vehicle Tank Meters
  • Section 3.35. Milk Meters
  • Section 3.37. Mass Flow Meters
  • Section 4.42. Farm Milk Tanks

The task group will consider the tolerances proposed by the S&T Committee Item VTM-20.2. and the tolerances in OIML R 117-2 in their discussions.

The group should include a regulator from each region, technical advisors from NIST and NTEP, the submitters from POUL TARP A/S and Piper Systems Limited and may include other meter manufacturers, industry stakeholders (producers and processors), and other interested parties.

Goal:  
Return task group recommendations to the S&T Committee by November 15, 2023.

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This task group submits its recommendations to the S&T Committee for consideration by the NCWM membership.

Charge:
To combine two codes in NIST Handbook 44, the Transportation Network Measurement Systems Code and the Taximeters Code into one, and combine the NCWM Publication 14 technical policy, checklists, and test procedures for the National Type Evaluation Program (NTEP).

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Charge:
The Task Group will further develop and address concerns with Item OTH-25.1. Specifically, but not limited to, the adequacy and thoroughness of the test proceedure, concerns about permanence and other concerns raised during the 2026 NCWM Interim Meeting.