PREN 3475-705 : 200P2
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
AEROSPACE SERIES - CABLES, ELECTRICAL, AIRCRAFT USE - TEST METHODS - PART 705: CONTRAST MEASUREMENT
Hardcopy , PDF
07-07-2020
English
0 Introduction
1 Scope
2 Normative references
3 Definitions
4 Requirements
4.1 Preparation of samples
4.2 Test equipment
4.2.1 Components of the measuring device
4.2.2 Equipment colour
4.2.3 Photometer
4.2.4 Illumination and viewing system
4.2.5 Equipment design and measurement methodology
4.2.6 Measurement spot size
4.2.7 Measurement area
4.2.8 Calibration
4.2.9 Measurement tolerance
4.3 Measurement process
4.3.1 Precautionary measures
4.3.2 Picture definition
4.3.3 Sample area
4.3.4 Number and location of measurements
4.4 Determination of contrast values
4.5 Requirement
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