1. Standard basis
This photometric ceremony is a gloss measuring instrument designed and manufactured with reference to the international standard ISO2813 and the Chinese international standard GB/T9754, and its parameters also comply with the provisions of the ASTM2457/ASTMD523, TI13891, and GB/T8807 standards. All performance indicators have reached the requirements of the first-class working machine in the metrological verification regulations of the international standard JJG 696-2002 "Mirror-mirror gloss meter and gloss board".











宋钧才 - 《《棉花的光泽及其测定》》