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The calibration, performance evaluation, uncertainty evaluation, and specification of dimensional measuring instruments and gages and the methods of their use for measuring various geometrical characteristics such as lengths, plane surfaces, angles, circles, cylinders, cones, spheres, and tori, as well as profiles. 

The B89 Committee is comprised of experts in the field of Metrology. The Committee works on writing new Metrology American National Standards, revising current Standards, and providing for the coordination of National and International Standards. The B89 Committee operates under procedures meeting the criteria for American National Standards.


Officers Staff Contact
CHAIR Thomas Charlton Jr
VICE CHAIR Steven D. Phillips, PHD
STAFF SECRETARY Remington S. Richmond
Remington S. Richmond
The American Society of Mechanical Engineers
Two Park Avenue
New York, NY 10016
Phone: 1(212)591-8404
Fax: 1(212)591-8501
Associated Committee Pages
B89.1 - Length
B89.3 - Geometry (B89)
B89.4 - Coordinate Measuring Technology (B89)
B89.5 - General Principles and Definitions (B89)
B89.6 - Environment (B89)
B89.7 - Measurement Uncertainty (B89)
Additional Committees
B46 Classification and Designation of Surface Qualities
Board on Standardization and Testing
Special Committee H213 on Harmonization of Dimensional and Geometrical Product Specifications and Verification
US TAG to ISO/TC 213 Dimensional and Geometrical Product Specifications and Verification
Y14 Engineering Drawing and Related Documentation Practices
Other Links
ASME Product Catalog
ASME Standards Technology, LLC Committees
B94 Committee on Cutting Tools
Standards & Certification Update - Newsletter
ISO/TC 213
B89 Standards in Product Catalog
ASME B89.7 Measurement Uncertainty Brochure
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