MST - motorized electronic Tension Meter for sewing industry - for measuring and adjusting the tension of sewing machines to get best and highest quality stitched seams. Besides strength and the kind of stitch the tension of the upper and lower thread is important for the solidity and the image of the seam. Tension range up to 500cN. Integrated electronic tension meter. Storage of last, average, max., min., tension values. Motorised take up fixture to determine shuttle to have constant speed of the thread 12 m / min. Special fixture to determine shuttle tension. Power supply: baterie or 12V / 230V Adapter. Weight 780 gr, Dimension: 230x45x48 mm.