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NIST Handbook 133 - Chapter 4 "Dimensional Measurement"

This 4.5 day seminar will focus on the NIST Handbook 133 Chapter 4 compliance requirements and test procedures for packages and products labeled by count, length, width, area and thickness. One day will consist of Chapter 3 test procedures for animal bedding and firewood. The class will include formal lecture, discussion, group exercises, audio-visual presentations, and extensive hands-on practice.

Learning Objectives:

After this seminar, participants will be able to:

  • IDENTIFY the equipment and materials needed to verify quantity declarations on packages sold by count, length, width, area, and thickness;
  • DETERMINE which packaged commodities may be tested using the test procedure packages sold by count, length, width, area, and thickness;
  • EVALUATE the variety of products and DETERMINE the correct measurement techniques and equipment.
  • IDENTIFY ways to reduce testing errors.
  • APPLY accurate count and measurements using a variety of testing equipment (e.g., steel tapes & rules, deadweight dial micrometer, gage blocks, binding straps, spring scale).
  • RECOGNIZE special testing requirements for packages labeled by linear or square.
  • APPLY accurate volumetric determinations with dry measures and a variety of linear measuring devices.

Materials & Supplies:

Participants will be provided with a notebook and class materials.


Students must have successfully completed a NIST-taught NIST Handbook 133 - Checking the Net Contents of Packaged Goods -Basic course in 2011 or later.


Not applicable

Pre-Work Deadline:

Not applicable


Not applicable

Post-Work Deadline:

Not applicable

Minimum Requirement(s):

Students must be in attendance for the entire class and actively participate in all in-class activities. You will be assessed on your application of all the learning objectives of this course.


State Weights and Measures officials only. This class is limited to 10 participants.


There are no registration fees for this class. However, participants are responsible for their own transportation, lodging and meal expenses.


David Sefcik
Office of Weights and Measures,
(301) 975 - 4868
Email: david.sefcik [at] (david[dot]sefcik[at]nist[dot]gov)

Technology Requirement(s):

You MUST bring a calculator. There will be no use of computers.


NIST / Office of Weights and Measures

You will need a government-issued photo ID (e.g., passport or driver's license) when you check into the Visitors Center at the entrance of NIST on Monday morning. If you will be driving, please bring your Vehicle Registration card also.
PLEASE NOTE: Effective July 21, 2014, under the REAL ID Act of 2005 ( (link is external)), agencies, including NIST, can only accept a state-issued driver's license or identification card for access to federal facilities if issued by states that are REAL ID compliant or have an extension. NIST currently accepts other forms of federally issued identification in lieu of a state-issued driver's license, such as a valid passport, passport card, DOD's Common Access Card (CAC), Veterans ID, Federal Agency HSPD-12 IDs, Military Dependents ID, Transportation Workers Identification Credential (TWIC), and TSA Trusted Traveler ID. See Visitor Information for the latest information.

Visitor Information:

Gaithersburg, MD - Campus visitor information.

Created September 29, 2015, Updated September 1, 2016