NBS Special Publication, Issue 250U.S. Government Printing Office, 1965 |
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Page
... Pressure - gage testing apparatus .. Recalibration of mass standards . 202. 625 Glass volumetric apparatus_ 202. 626 Metal volumetric apparatus . 202. 627 Hydrometers .. 202. 628 Density determinations of solids and liquids___ Part 203 ...
... Pressure - gage testing apparatus .. Recalibration of mass standards . 202. 625 Glass volumetric apparatus_ 202. 626 Metal volumetric apparatus . 202. 627 Hydrometers .. 202. 628 Density determinations of solids and liquids___ Part 203 ...
Page
... Pressure Measurements__ 206. 211 Pressure measurements . Vacuum measurements 206. 221 Vacuum measurements . Vibration measurements .. 206. 231 Vibration pickups .. Humidity measurements . 206. 241 Humidity instruments .. FLUID MECHANICS ...
... Pressure Measurements__ 206. 211 Pressure measurements . Vacuum measurements 206. 221 Vacuum measurements . Vibration measurements .. 206. 231 Vibration pickups .. Humidity measurements . 206. 241 Humidity instruments .. FLUID MECHANICS ...
Page 17
... pressure , and frequency deviations of a few percent from the stated tes conditions . Over the above frequency range , and in the capacitance range from 0.001 pF to 100 μF , the available accuracy usually lies in the range 0.002 to 0.5 ...
... pressure , and frequency deviations of a few percent from the stated tes conditions . Over the above frequency range , and in the capacitance range from 0.001 pF to 100 μF , the available accuracy usually lies in the range 0.002 to 0.5 ...
Page 20
... pressure . ) Resistance determinations made in the laboratory at rated current may therefore be of little value because the working temperature conditions cannot be duplicated . The best experimental procedure to use in such cases is to ...
... pressure . ) Resistance determinations made in the laboratory at rated current may therefore be of little value because the working temperature conditions cannot be duplicated . The best experimental procedure to use in such cases is to ...
Page 50
... pressure - gage testing apparatus Recalibration of mass standards Glass volumetric apparatus 202.626 Metal volumetric apparatus 202.627 Hydrometers 202.628 Density determination of solids and liquids 202.103 Miscellaneous photometric ...
... pressure - gage testing apparatus Recalibration of mass standards Glass volumetric apparatus 202.626 Metal volumetric apparatus 202.627 Hydrometers 202.628 Density determination of solids and liquids 202.103 Miscellaneous photometric ...
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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).