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Norm
ÖNORM EN 2155-5
Issue date: 1989 07 01
Aerospace series; test methods for transparent materials for aircraft glazing; determination of visible light transmission
This standard specifies the determination of visible light transmission for
transparent materials by using a photometer employing a defined light source and
a photocell...
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Valid
Publisher:
Austrian Standards International
Format:
Digital | 9 Pages
Language:
German
| English
| Download GER/ENG
Optionally co-design standards:
ICS
This standard specifies the determination of visible light transmission for
transparent materials by using a photometer employing a defined light source and
a photocell matched to the response of the human eye.
Because the materials under test are basically colourless, certain deviations
from ideal conditions, indicated in the test, are allowable.