用途:线密度光栅,通过折射光可快速确定针织或机织物每厘米或每英寸内的纱线根数。
TNG61B 坚韧弹性塑料材质,分成三组
Model A, 00-170 lines/inch Model C, 20-90 lines/inch
Model E, 50-120 lines/inch
TNG61B 透明玻璃材质, 分成五组
Model LA, 30-120 lines/inch Model LD, 50-140 lines/inch
Model LB, 90-170 lines/inch Model F, 120-190 lines/inch
Model LG, 170-240 lines/inch