Yarn with Electromagnetic Brake. Statex Engineering [P] Ltd offers various Fibre and Yarn Testing Instruments. Electro Mechanical Wrap Reel Hand Driven Yarn with Electromagnetic Brake is used for winding yarn uniformly at constant speed and grading the yarn as per ASTM standards with different number of wraps/inch for different count ranges. A.C. Motor of the Electro Mechanical Wrap Reel drives the reel at a constant speed. It posses reels up to 10 yarn skeins and is available in four models: M1.5/10C, M1.5Y/20C, M1M/10C and M1M/20C. The Electro Mechanical Wrap Reel Hand Driven Yarn with Electromagnetic Brake includes half lea and full lea selection with constant speed of 120 RPM. The electromagnetic brake helps to stop the reel immediately at starting position.