BI 1 - 7 Over-speed test stands offer centrifugal stress testing to the point of bursting.The overspeed production features comprehensive safety concept providing maximum safety. The drive has regenerative brakes. Tests can easily be implemented either with elevated or either reduced temperature. The device is noted for its compact sizing, easy and cost-saving installation techniques. The modular drives contribute to flexibility of device. Displays unbalanced measurement for pre-balancing the test specimens.