The John Bean Digital Wheel Balancers, Nos. B300S, B500S and B500L, are designed to reduce the time of balancing cycles. The B300S is belt-driven, so the 200 rpm rotational speed is kept constant during measurement. Other features include easy data entry, the company's Smart Sonar and an ergonomic display integrated in the weight tray, with bright LEDs and weight position indicators. The B500L and B500S have the same advanced features of the B300S coupled with a raised digital display. The B500S includes Smart Sonar and quick clamp elements, while the B500L has the the company's easyWeight feature that uses a laser to pinpoint the position of the adhesive weights on the wheel.
