The Laharco® Sense-A-Plate detects missing plates from either side of a truss. Sense-A-Plate compares detected plates and then signals the operator when one of the pair is missing.

Installation is easy, as the unit only requires a 110 VAC power connection and hookup to a customer's alarm. The unit may also be connected to the customer's drive to give a signal when the roller is operating or to allow for roller stoppage if a plate is missing. Operation signals are visible on the control panel shown below.

The unit is mounted prior to the
main exit roller press, and can
be manufactured any size up
to 20 feet in length.