1. Weight Limiter
2. Torque Limiter
The main difference is that the crane has the dynamic measurement and control requirement of the jib amplitude. The former is equipped with all kinds of bridge crane, Gantry Crane; the latter is equipped with all kinds of movable jib cranes, such as crawler cranes, tyre cranes, tower cranes, railway cranes, port with various types of gantry cranes, wheeled cranes, loading and unloading bridges and floating crane.