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York Test Pieces Stand: F90

EWSTP is a routine test piece designed specifically for use with dual-view security x-ray imaging systems. EWSTP can be used quickly and easily on a routine basis to provide an ongoing check of
imaging performance, particularly those aspects which are most liable to deterioration. Image quality is measured simply by counting the number of details detected or resolved in the image. Recording these numbers over time will show any trend suggesting deterioration in imaging performance.

Test 1 Single wire resolution
Test 2 Spatial resolution
Test 3 Thin material imaging
Test 4 Steel penetration
Test 5 Powder discrimination

The EWSTP is supplied in a protective case with user manual and a log sheet.

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