NBS Special Publication, Issue 250U.S. Government Printing Office, 1965 |
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... Mass and volume__ 202. 620 General 202. 621 202. 622 202. 623 202. 624 Reference standards of mass . Large mass standards____ Pressure - gage testing apparatus .. Recalibration of mass standards . 202. 625 Glass volumetric apparatus_ ...
... Mass and volume__ 202. 620 General 202. 621 202. 622 202. 623 202. 624 Reference standards of mass . Large mass standards____ Pressure - gage testing apparatus .. Recalibration of mass standards . 202. 625 Glass volumetric apparatus_ ...
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... mass 202.509 Gears 202.620 General 202.621 202.622 202.623 202.624 202.625 Large mass standards Mass and Volume Calibration of mass elements of pressure - gage testing apparatus Recalibration of mass standards Glass volumetric apparatus ...
... mass 202.509 Gears 202.620 General 202.621 202.622 202.623 202.624 202.625 Large mass standards Mass and Volume Calibration of mass elements of pressure - gage testing apparatus Recalibration of mass standards Glass volumetric apparatus ...
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... mass or volume relative to an accepted standard . It is assumed that all items submitted for calibration will be used as ref- erence standards . ( This designation implies the use of a correction ... mass are weights or 79 79 Mass and Volume.
... mass or volume relative to an accepted standard . It is assumed that all items submitted for calibration will be used as ref- erence standards . ( This designation implies the use of a correction ... mass are weights or 79 79 Mass and Volume.
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... mass and / or apparent mass corrections are determined using computed olumes based on the manufacturer's statement of density of the material . ( In the absence f this information , estimated densities are used . ) The apparent mass ...
... mass and / or apparent mass corrections are determined using computed olumes based on the manufacturer's statement of density of the material . ( In the absence f this information , estimated densities are used . ) The apparent mass ...
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... mass standards . ( a ) Large mass reference standards are weights over 50 lb ( up to and including 10,000 lb ) . Acceptance for calibration is based on suitability with regard to general design and upon assurance of usage as a reference ...
... mass standards . ( a ) Large mass reference standards are weights over 50 lb ( up to and including 10,000 lb ) . Acceptance for calibration is based on suitability with regard to general design and upon assurance of usage as a reference ...
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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).