NBS Special Publication, Issue 250U.S. Government Printing Office, 1965 |
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... suitable testing facilities are not available elsewhere . ( iii ) Referee tests , to which paragraph ( i ) above does not apply , when private labora- tories are unable to agree on the method of measurement , the results of tests , or ...
... suitable testing facilities are not available elsewhere . ( iii ) Referee tests , to which paragraph ( i ) above does not apply , when private labora- tories are unable to agree on the method of measurement , the results of tests , or ...
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... suitable for use as a plant or laboratory standard . In general , cal tions are performed for users of equipment rather than for suppliers . The Bureau res the right to decline any request for services , temporarily or permanently , if ...
... suitable for use as a plant or laboratory standard . In general , cal tions are performed for users of equipment rather than for suppliers . The Bureau res the right to decline any request for services , temporarily or permanently , if ...
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... suitable precautions are taken in handling and use . ( 3 ) The National Bureau of Standards does not " approve " , " recommend " , or " endo any proprietary product or material , either as a single item or as a class or group . Res ...
... suitable precautions are taken in handling and use . ( 3 ) The National Bureau of Standards does not " approve " , " recommend " , or " endo any proprietary product or material , either as a single item or as a class or group . Res ...
Page 4
... suitable quality submitted under this section will ordinarily be reported to a number of significant figures so chosen that normal variation of ambient conditions within the stated bounds of test conditions will not affect the ...
... suitable quality submitted under this section will ordinarily be reported to a number of significant figures so chosen that normal variation of ambient conditions within the stated bounds of test conditions will not affect the ...
Page 6
... suitable testing facilities are not available elsewhere . ( iii ) Referee tests , to which paragraph ( i ) above does not apply , when private labora- tories are unable to agree on the method of measurement , the results of tests , or ...
... suitable testing facilities are not available elsewhere . ( iii ) Referee tests , to which paragraph ( i ) above does not apply , when private labora- tories are unable to agree on the method of measurement , the results of tests , or ...
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Common terms and phrases
Ac-dc accepted for calibration accuracy additional American Standards Association API Standard apparatus Appendix attenuators bolometer bolometer units bulb and liquid Bureau of Standards calibration or test changes in emf charged dependent color temperature condenser microphones current fees decibels Determination diameter Electric electrode electromotive force end of table errors exceeding footnote at end frequency Gage blocks gages-determination glass Group of Standard higher or lower hygrometers ice-point reading indications inductors instruments Invar Item Description Fee laboratory length liquid column mass measurements meter National Reference Group ohms perature phase angle plug Precision pressure Radium ratio reference standards REPORT OF CALIBRATION resistance thermometer resistors ring gages sample saturated standard cells schedule special tests specifications spectrophotometer stability standard resistors submitted for calibration tabulated corrections apply temperature range test points test_ tests not covered thermal conductivity thermocouple thermometer was tested U.S. DEPARTMENT uncertainty voltage dividers waveguide weights
Popular passages
Page 11 - Standard Reference Materials issued by the National Bureau of Standards to calibrate a measurement system, or to produce scientific data that can be referred to a common base. A schedule of prices and amounts, as well as directions for ordering, is included.
Page 49 - ... index markers. Since it is necessary to determine the shift of the principal point resulting from prism effect in the lens, the equivalent focal length of the lens as mounted In the camera is incidentally determined...
Page 55 - ... wire loops, spring balances, tension handles, or other attachments liable to be detached or changed in shape. The error in the total length of the tape, when supported horizontally throughout its length at the standard temperature of 68° F. (20° C.) and at standard tension, shall not be more than 0.1 inch per 100 feet (2 mm per 25 m).