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ASTM E1164 PDF

Find the most up-to-date version of ASTM E at Engineering ASTM E() E1 Standard Practice for Obtaining Spectrometric Data for Object-Color Evaluation [ASTM International] on *FREE*. ASTM E Standard Practice for Obtaining Spectrometric Data for Object- Color Evaluation. This practice covers the instrumental measurement.

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Need more than one copy? See Practice E See also Guide E and Practice E Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. If e116 feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.

ASTM E Calibration Services: spectro slide sphere gloss testing certification

Your Alert Profile lists the documents that will be monitored. Blocking should be carried out by replacing the specimen with an opaque object of the same size and shape as the specimen, placed in the same position.

Commonly used light sources include incandescent lamps, either operated without? When the degree of directionality of the specimen asttm to be evaluated, uniplanar geometry should be used.

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However, the use of a wider interval can lead to signi? When information on directionality is not required, the several measurements may be averaged. The detector must be stable with time and have wstm responsivity over the wavelength range used. If the document is revised or amended, you will be notified by email.

This practice is general as to the materials to be characterized for color. A still better method for characterizing? The instrument user must assume the responsibility for obtaining the necessary material standards. The condition of the specimens before and after measurement should be noted and reported. Standards Subsctiption may be the perfect solution.

Use of a wider interval, such as 10 nm or 20 nm, will result in a signi? No other units of measurement are included in this ast.

Standard Practice for Obtaining Spectrometric Data for Object-Color Evaluation

Each user must decide whether the loss of accuracy in his measurements is negligibly small for the purpose for which data are obtained. Examples of r1164 veri? In these cases, xstm may be more appropriate to use larger cone angles, with appropriate tolerances. Current edition approved June 1, If the black-cavity traps light by utilizing asymmetric or off-axis black optics then a preferred orientation of the cavity relative to the optical axis should be identi?

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ASTM E – Standard Practice for Obtaining Spectrometric Data for Object-Color Evaluation

You can download and open this file to atm own computer but DRM prevents opening this file on another computer, including a networked server. In other cases, use may be made of another white material, with assigned re? The detector may be a photoelectric device phototube or photomultipliera silicon photodiode or diode array, or another suitable photodetector.

NOTE 3—For certain applications of the It is essential that these portions impinge on areas of the sphere wall having the same re? Subscription pricing is determined by: Exceptions to this applicability are noted.

Errors in the apparent re? Thus there is only one mode of measurement possible for the d: The same method should be used to verify the zero reading in instruments that do not require such a calibration step. In general, spectral re?