Optical Preemption Detectors are mounted on traffic mast arms to observe the approaches of an intersection. They sense the infrared optical pulses emitted by properly equipped emergency or transit vehicles, and inform the traffic control system of the presence of designated vehicles.
Which detector series do I need?
4090 Series Detectors are used with TOMAR 4000 Series Optical Signal Processors.
DETOC Series Detectors are used with TOMAR OSPOC Series Optical Signal Processors or GTT OPTICOM* brand phase selectors.
*Global Traffic Technologies, GTT, Discriminator, and Opticom are trademarks of Miovision Technologies Incorporated and not affiliated with TOMAR Electronics Inc.