NBS Special Publication, Issue 250U.S. Government Printing Office, 1965 |
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... listing of its four Institutes and their organizational units . Institute for Basic Standards . Applied Mathematics . Electricity . Metrology . Mechanics . Heat . Atomic Physics . Physical Chemistry . Laboratory Astrophysics ...
... listing of its four Institutes and their organizational units . Institute for Basic Standards . Applied Mathematics . Electricity . Metrology . Mechanics . Heat . Atomic Physics . Physical Chemistry . Laboratory Astrophysics ...
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... listed in Subchapter B , Chapter II , Title 15 of the Code of Federal Regulations . The provision of technical services to promote the use of available technology and to facilitate technical innovation in industry and Government is ...
... listed in Subchapter B , Chapter II , Title 15 of the Code of Federal Regulations . The provision of technical services to promote the use of available technology and to facilitate technical innovation in industry and Government is ...
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... listed items , however , do not represent the Bureau's total capability , and prospe clients should inquire about special arrangements for measurements involving unusual phy quantities , ranges , accuracies , parameters , environments ...
... listed items , however , do not represent the Bureau's total capability , and prospe clients should inquire about special arrangements for measurements involving unusual phy quantities , ranges , accuracies , parameters , environments ...
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... listed in Parts 202 , 203 , 204 , 205 , 206 , 208 , and 210 of this Subchapter , and the low - frequency electrical calibrations of Sections 201.101 through 201.604 are performed in the laboratories of the National Bureau of Standards ...
... listed in Parts 202 , 203 , 204 , 205 , 206 , 208 , and 210 of this Subchapter , and the low - frequency electrical calibrations of Sections 201.101 through 201.604 are performed in the laboratories of the National Bureau of Standards ...
Page 3
... listed are generally made using a direct curren such magnitude as to cause only a negligible heating of the resistance material . Calibrati of standard resistors , bridges , and decade resistors consist of determinations of the resista ...
... listed are generally made using a direct curren such magnitude as to cause only a negligible heating of the resistance material . Calibrati of standard resistors , bridges , and decade resistors consist of determinations of the resista ...
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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).