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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 Dr. Edward Morse, Ph.D.
VICE CHAIR Edward Yaris
STAFF SECRETARY Justin Cassamassino
Justin Cassamassino
The American Society of Mechanical Engineers
Two Park Avenue
New York, NY 10016
Phone: 1(212)591-8404
Associated Committee Pages
B89 Division 1 - Length
B89 Division 3 - Geometry
B89 Division 4 - Coordinate Measuring Technology
B89 Division 5 - General Principles and Definitions
B89 Division 6 - Environment
B89 Division 7 - Measurement Uncertainty
Additional Committees
B46 Classification and Designation of Surface Qualities
Board on Standardization and Testing
H213 Special Committee 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 Product Definition and Related Documentation Practices
Other Links
ASME Product Catalog
Find a Standard
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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