NBS Special Publication, Issue 250U.S. Government Printing Office, 1965 |
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... Effective noise temperature .. Part 202 - Metrology --- Photometry and colorimetry – 202.103 Miscellaneous photometric measurements and tests . 202.104 Incandescent electric lamps --- 202.105 Spectrophotometric standards_ 202.106 ...
... Effective noise temperature .. Part 202 - Metrology --- Photometry and colorimetry – 202.103 Miscellaneous photometric measurements and tests . 202.104 Incandescent electric lamps --- 202.105 Spectrophotometric standards_ 202.106 ...
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... effective upon cation in the Federal Register , supersedes in its entirety Part 200 of Subchapter A , Chapter II , Title 15 Code of Federal Regulations previously issued . This revision restates and expands the statement of p and ...
... effective upon cation in the Federal Register , supersedes in its entirety Part 200 of Subchapter A , Chapter II , Title 15 Code of Federal Regulations previously issued . This revision restates and expands the statement of p and ...
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... effective upon publication in the Federal Register . More exter calibration or test items ( designated by z - suffixes ) are given in many of the subsequent Sect The listed items , however , do not represent the Bureau's total ...
... effective upon publication in the Federal Register . More exter calibration or test items ( designated by z - suffixes ) are given in many of the subsequent Sect The listed items , however , do not represent the Bureau's total ...
Page 2
... Effective noise temperature measurements on noise sources Resistance Measurements Involving Precision Wire - Wound Resistors 201.100 General . In general , 201.101 and 201.102 apply only to apparatus embodying the following essential ...
... Effective noise temperature measurements on noise sources Resistance Measurements Involving Precision Wire - Wound Resistors 201.100 General . In general , 201.101 and 201.102 apply only to apparatus embodying the following essential ...
Page 7
... effective upon publication in the Federal Register . More exte calibration or test items ( designated by z - suffixes ) are given in many of the subsequent Sec The listed items , however , do not represent the Bureau's total capability ...
... effective upon publication in the Federal Register . More exte calibration or test items ( designated by z - suffixes ) are given in many of the subsequent Sec The listed items , however , do not represent the Bureau's total capability ...
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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).