NBS Special Publication, Issue 250U.S. Government Printing Office, 1965 |
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... listed in Subchapter B , Chapter II , Title 15 of the Code of Federal Regulations ... tests performed by the National Bureau of Standards and the procedures for ... not available elsewhere . ( iii ) Referee tests , to which paragraph ( i ) ...
... listed in Subchapter B , Chapter II , Title 15 of the Code of Federal Regulations ... tests performed by the National Bureau of Standards and the procedures for ... not available elsewhere . ( iii ) Referee tests , to which paragraph ( i ) ...
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( iv ) Cooperative tests with national or international standardizing organization develop standards or specifications of mutual interest . ( 2 ) Services of the following types are not provided for private organizations or individ ( i ) ...
( iv ) Cooperative tests with national or international standardizing organization develop standards or specifications of mutual interest . ( 2 ) Services of the following types are not provided for private organizations or individ ( i ) ...
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... testing , a minimum charge of $ 10 may be made to cover handling . Fees for tests include the cost of preparation of an original report . Additional copies ordinarily are not issued to other than the recipient of the original , and are not ...
... testing , a minimum charge of $ 10 may be made to cover handling . Fees for tests include the cost of preparation of an original report . Additional copies ordinarily are not issued to other than the recipient of the original , and are not ...
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... protected against dation and other chemical action and should be annealed or aged ... not advisable to calibrate new or repaired apparatus until at least two ... tests listed are generally made using a direct curren such magnitude as to ...
... protected against dation and other chemical action and should be annealed or aged ... not advisable to calibrate new or repaired apparatus until at least two ... tests listed are generally made using a direct curren such magnitude as to ...
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... tests not covered by the above schedule , advance arrange- ment must be made . Fees will be charged dependent on the time involved in making the tests__ ( * ) ( * ) * For current fees , see Appendix C. 201.102 Precision resistance ...
... tests not covered by the above schedule , advance arrange- ment must be made . Fees will be charged dependent on the time involved in making the tests__ ( * ) ( * ) * For current fees , see Appendix C. 201.102 Precision resistance ...
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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).