Norm

ASTM E1135-12

Standard Test Method for Comparing the Brightness of Fluorescent Penetrants

54,27

Over deze norm

Status Definitief
Aantal pagina's 6
Commissie E07.03
Gepubliceerd op 15-06-2012
Taal Engels

1.1 This test method describes the techniques for comparing the brightness of the penetrants used in the fluorescent dye penetrant process. This comparison is performed under controlled conditions which eliminate most of the variables present in actual penetrant examination. Thus, the brightness factor is isolated and is measured independently of the other factors which affect the performance of a penetrant system.

1.2 The brightness of a penetrant indication is dependent on the developer with which it is used. This test method however, measures the brightness of a penetrant on a convenient filter paper substrate which serves as a substitute for the developer.

1.3 The brightness measurement obtained is color-corrected to approximate the color response of the average human eye. Since most examination is done by human eyes, this number has more practical value than a measurement in units of energy emitted. Also, the comparisons are expressed as a percentage of some chosen standard penetrant because no absolute system of measurement exists at this time.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Details

ICS-code 17.180.20
87.040
Nederlandse titel Standard Test Method for Comparing the Brightness of Fluorescent Penetrants
Engelse titel Standard Test Method for Comparing the Brightness of Fluorescent Penetrants

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