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2013-11-18: Vehicle and Axle-Load Scales

This 3-day seminar will teach students how to properly inspect and test vehicle and axle-load scales, i.e., perform an official examination by properly applying all applicable NIST Handbook 44 requirements, which are outlined in NIST EPO 13. The sessions will include formal lecture, class discussion, group exercises, audio-visual presentations, and some hands-on practice.

Learning Objectives: 

After this seminar, participants will be able to:

  • APPLY applicable requirements and procedures outlined in NIST EPO 13
  • UNDERSTAND and CONDUCT official examinations (inspection and tests) on vehicle and axle-load scales

Technology Requirement(s):

Students should bring a calculator.

Materials & Supplies:

Notebooks and class materials will be provided.


Completion of NIST OWM "Handbook 44 Self-Study" course (

Minimum Requirement(s):

Students must be in attendance for the entire class, participate in all group activities that are planned, and achieve a score of 70 percent or higher on a final exam, which will be administered on the last day of the class. Students who do not fulfill these requirements will not receive a certificate of completion.


State weights and measures field officials, local enforcement officials, and service agents.


There is no registration fee for this seminar. However, participants are responsible for their own travel costs.


John Barton
NIST Office of Weights and Measures
100 Bureau Dr. 
MS 2600
Gaithersburg, MD. 20899
Phone: (301) 975-4002
Email: john.barton [at] (john[dot]barton[at]nist[dot]gov)


New Mexico Department of Agriculture
Standards and Consumer Services Division
MSC 3170
New Mexico State University
P.O. Box 30005
Las Cruces, NM 88003-8005
Phone: (575) 646-2361

NIST Office of Weights and Measures

Class Number: 5287

Created September 17, 2013, Updated May 13, 2016