Belt misalignment monitoring – Sensors for conveyors and bucket elevators Our own product Rub-Block with a PT100 temperature sensor is designed to report the misalignment of a conveyor belt or elevator belt. The advantage of the Rub-Block is the fact that it will send a continuous output signal to the PLC. We also offer other brands belt misalignment monitoring solutions such as the well-known product Watchdog produced by 4B. Please involve us at an early stage so we can offer you the right solution for your specific issue.