WG60G This gloss meter is designed and manufactured with the reference to the international standard ISO 2813 and China national standard GB/T9754. Technical parameters are in accordance with ASTM D2457, ASTM D523 and GB/T13891, GB/T7706, GB/T8807 standard. All performance indexes meet the primary working machine requirements of metrological verification procedures of national standard JJG696-2002 "mirror gloss meter and gloss board".