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PRODUCT MANUAL
SANTOKA
Annex C: Evaluation criteria of standard display module
Evaluated Zone 1:
Areas in the immediate viewing area: dirt and dust
enclosures / stains / striae / scratches from max. 500 μm (diameter) or 0.02 mm2 (surface), 5 pcs. per dm2 are
permitted, but no clustering.
Evaluated Zone 2:
Surfaces that are concealed after installation: Dirt and dust enclosures / stains / striae / scratches from max. 2
mm (diameter) or 3 mm2 (surface), 10 pcs per dm2 are permitted.
Assessor:
trained, normal-sighted person
Viewing angle:
90 degrees to test object, no reflection
Lighting condition:
1000 LUX on test object
Viewing time:
max. 10 sec / dm2
2 9
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