YG331A、YG155A纱线捻度仪 Digital yarn twist tester
　　用于测定棉、毛、丝、麻、化纤等纱线的捻度，并能自动打印测试数据和统计结果。
　　Used for measurement twist of the cotton,wool,silk, bast & chemical fibre yarn,it cans print the test data and statistical result automatically.

YG331A、YG155A纱线捻度仪适用标准Standards:GB/T2543.1.2 ,14345;FZ/T10001; IS02061; BS2085;ASTM D1422,1423;JIS L1095等。