Provides the controlled lighting conditions needed to grade abrasion and scuffing to a standard. Designed to evaluate samples for the American Association of Textile Chemists and Colorists (AATCC) Accelerator tests, The Accelerator Viewer provides the controlled lighting conditions needed to grade abrasion and scuffing to any standard. it conforms to ASTM D 1175, M&S P26 and NEXT TM31