Vehicle Detectors

Vehicle detectors sense the presence of vehicles and provide an output signal to a control unit, such as a gate or door operator, to activate the controller. When used as a safety device, vehicle detectors can prevent a gate or door from closing on a vehicle when detected.

EMX offers four types of sensing technologies:

Microwave Motion Detectors
– Uses microwave technology to detect vehicles and activate overhead doors

Induction Loop Vehicle Detectors
– Measures a change in inductance (loop frequency) caused by a vehicle passing over a buried loop

Magnetoresistive Vehicle Detectors
– Measures a change in the Earth’s magnetic field caused by a vehicle passing in close proximity to the sensor

Ultrasonic Vehicle Detectors
– Measures sound waves that echo off a vehicle

Free-Exit Probes
– Senses a disturbance in the Earth’s magnetic field when a vehicle passes within range

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