ДСТУ CEN/TR 17108:2022 Неразрушающий контроль. Освещение при проникающей и магнитопорошковой дефектоскопии, надлежащая практика (CEN/TR 17108:2017, IDT)

ДСТУ CEN/TR 17108:2022
(CEN/TR 17108:2017, IDT)

Неруйнівний контроль. Освітлення під час проникаючій
та магнітопорошковій дефектоскопії, належна практика

 
   
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

European foreword

1 Scope

2 Normative references

3 Terms and definitions

4 Fluorescent techniques, inspection booth, lights and visual ergonomics

4.1 Lights: UV-A beam spectral characteristics

4.1.1 General

4.1.2 Symmetry of the spectrum around the centroid wavelength

4.1.3 Unwanted visible light of the UV-A spectrum: limitation of the emission >380 nm

4.1.4 Radiometric specifications: UV-A/violet ratio

4.1.5 Thermal management (cooling), sustaining performances

4.2 UV-A beam geometrical characteristics

4.2.1 General

4.2.2 Geometric consideration for use

4.2.3 Large parts

4.2.4 Small parts

4.3 Identification and repair

4.4 Health and safety when using UV-A sources

4.4.1 Precautions for use

4.4.2 Warning panels

4.4.3 Eyewear

4.5 Visual ergonomics

4.5.1 General

4.5.2 Visual adaptation, general

4.5.3 Visible light before inspection

4.5.4 Visible light during inspection

4.5.5 Visible light after inspection: focus recovery/preserving

4.5.6 Transition zones: avoid visual tiredness

4.5.7 General irradiance

5 Colour and luminous contrast method

5.1 White beam spectral characteristics

5.2 Viewing of coloured materials: choosing the source

5.3 Precautions for use

5.3.1 High-luminance type LED sources

5.3.2 Eyewear

5.4 Illuminance levels of the inspection area and of the surrounding area: visual ergonomics

5.4.1 General

5.4.2 Fixed inspection areas

5.4.3 On-site inspections

5.4.4 Case study

6 Measurements

6.1 Radiometers and luxmeters characteristics/specifications

6.2 Irradiance measurement

7 Actinic Blue

Bibliography