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United States Department of Commerce Technology Administration National Institute of Standards and Technology SPECIFICATIONS, TOLERANCES, AND OTHER TECHNICAL REQUIREMENTS FOR WEIGHING AND MEASURING DEVICES as adopted by the 91st National Conference on Weights and Measures 2006 NIST Handbook 44 2007 .Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices as adopted by the 91st National Conference on Weights and Measures 2006 Editors: Tina Butcher Linda Crown Lynn Sebring Richard Suiter Juana Williams National Institute of Standards and Technology Weights and Measures Division Gaithersburg, MD 20899-2600 U. S. Department of Commerce Carlos M. Gutierrez, Secretary Robert Cresanti, Under Secretary of Commerce for Technology Technology Administration National Institute of Standards and Technology William A | United States Department of Commerce SPECIFICATIONS TOLERANCES AND OTHER TECHNICAL Technology Administration National Institute of Standards and Technology REQUIREMENTS FOR WEIGHING AND MEASURING DEVICES as adopted by the 91st National Conference on Weights and Measures 2006 NIST Handbook 44 2007 Specifications Tolerances and Other Technical Requirements for Weighing and Measuring Devices as adopted by the 91st National Conference on Weights and Measures 2006 Editors Tina Butcher Linda Crown Lynn Sebring Richard Suiter Juana Williams National Institute of Standards and Technology Weights and Measures Division Gaithersburg MD 20899-2600 U. S. Department of Commerce Carlos M. Gutierrez Secretary Technology Administration Robert Cresanti Under Secretary of Commerce for Technology National Institute of Standards and Technology William A. Jeffrey Director NIST Handbook 44 2007 Edition Supersedes NIST Handbook 44 2006 Edition Certain commercial entities equipment or materials may be identified in this document in order to describe an experimental procedure or concept adequately. Such identification is not intended to imply recommendation or endorsement by the National Institute of Standards and Technology nor is it intended to imply that the entities materials or equipment are necessarily the best available for the purpose. National Institute of Standards and Technology Handbook 44 2007 Edition Natl. Inst. Stand. Technol. Handb. 44 2005 Ed. 319 pages Oct. 2006 CODEN NIHAE2 U. S. GOVERNMENT PRINTING OFFICE WASHINGTON 2006 For sale by the Superintendent of Documents U. S. Government Printing Office Internet - Phone toll free 866 512-1800 DC area 202 512-1800 - Fax 202 512-2550 Mail Stop SSPO Washington DC .