AT250F Lab Knitter is specially designed for the yarn uniformity assessment and the dyeing affinity quality control of yarn. It will make chemical fiber or cotton yarn into cylindrical flat knitted fabric with uniform stitch density. Suitable for all kinds of yarns. Different cylinder diameter and different needle gauge can be chosen. Equipped with only one yarn feeder. Frequency converter control motor speed to adjust the running speed of needle cylinder. High efficiency, easy to operate. Technical Specification Model: AT250FLab Knitter Needle: gauge6G-18G (select one before you order this machine)Cylinder diameter95mmFeeder No.1Machine output23~34m/hSpeed265~385 r/min Motor: power280W Power supply: AC 220V±5%, 50HzDimension500×480×1600mm Weight: Approx. 100kg