CDVI's photocells provide a range of active infrared beams that activate if the beam is cute between the transmitter at one end and the receiver at the other. The range includes models with different beam lengths, as well as an optional vandal-resistant casing. These are ideal solutions for protecting active zones on swing gates or sliding gates, or for signalling when a person or vehicle interrupts the beam. Moreover, photocells improve safety measures when used as a guard for automatically halting machinery when a person approaches.
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