Assess the evenness, hairiness, neps and other imperfections in a representative sample of various yarn wound.
Reel circumference: 250x180/250x220mm
Yarn winding density: 7, 9, 11, 13, 15, 19 wraps/cm
Rotational speed: 10-400RPM (adjustment)
Dimension: 620x370x340 mm
Standards: ASTM D2255, GB/T996, 398, 5324; FZ/T32004, 32005