LEVYHILL DUAL LIGHT METER
Fluorescent penetrant checking and magnetic particle inspection are key diagnostic techniques in on Destructive Testing in such industries as aerospace, castings and automotive and structural engineering. Key to successful inspection (and hence the safety of customers and the public alike) is accurate and reliable monitoring of assessment tools. Background Detection of ïaws and cracks in materials and structures used in the manufacture of aerospace components is understandably vital to the safety of all air travellers.
Two common techniques for crack detection are ïuorescent penetrant checking and magnetic particle inspection. Both techniques rely upon the ingress of an applied ïuorescent dye into ïaws - with the ïaw being subsequently visible under UV illumination. In carrying out such processes it is essential that the performance on the “checking tools” is closely monitored speciïcally:
• the dye emits the correct amount of visible light
• the ambient lighting conditions are acceptable such is the importance of these checks is that they are prescribed by various standards bodies. Such standards include British Standards BS4489 and BS667, Civil Aviation Authority Air Worthiness Notice 95 and Rolls Royce Standard RPS702.
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02/27/2024
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