NBS Special Publication, Issue 250U.S. Government Printing Office, 1965 |
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... indicated in the following table . details , see NBS Miscellaneous Publication 236.9 ) ( For further * This description supplements supplements made below in Part 200. For the sake of completeness , a few sentences from Part 200 are ...
... indicated in the following table . details , see NBS Miscellaneous Publication 236.9 ) ( For further * This description supplements supplements made below in Part 200. For the sake of completeness , a few sentences from Part 200 are ...
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... indicated in a particular fee schedule . If apparatus is returned without 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 ...
... indicated in a particular fee schedule . If apparatus is returned without 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 ...
Page 10
... indicated in a particular fee schedule . If apparatus is returned without 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 ...
... indicated in a particular fee schedule . If apparatus is returned without 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 ...
Page 19
... Indicating ( pointer - and - scale ) instruments should be calibrated quite frequently with d - c standards and ac - dc transfer instruments , or with stable d - c or a - c sources which are cali- brated periodically in this way ...
... Indicating ( pointer - and - scale ) instruments should be calibrated quite frequently with d - c standards and ac - dc transfer instruments , or with stable d - c or a - c sources which are cali- brated periodically in this way ...
Page 25
... indicated so that the proper burden resistance and inductance can be duplicated . ( g ) Recalibration : At room temperature the ratio and phase angle under a specified test condition should be repeatable unless the core is magnetized ...
... indicated so that the proper burden resistance and inductance can be duplicated . ( g ) Recalibration : At room temperature the ratio and phase angle under a specified test condition should be repeatable unless the core is magnetized ...
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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).