4090 Series 2 Head, 2-Channel Detector w/o Confirmation Lights LPR Mounting: The 4090 Series is

Mounting: The 4090 Series is easily mounted using standard hardware on either span wire or mast arm

and moisture

Should a detector fail self-test

a front-panel indication and an entry in the OSP log indicate the problem

RS-485 Serial Interface: Enables configuration and software-based triggering

4090 Series 2 Head, 2-Channel Detector w/o Confirmation Lights LPR Mounting: The 4090 Series isTOMARs 4090 Series Optical Preemption Detectors sense the optical pulses emitted by properly equipped emergency or transit vehicles. Mounted to observe the approaches of an intersection, 4090 Detectors are used with TOMAR 4000 Series Optical Signal Processors to inform the traffic control system of the presence of designated vehicles. Self Test Detector The 4090 x ST detectors incorporate a self test feature for true closed loop detector and wiring