Loop Detectors: How Do They Work?

You might think someone used a remote control to open the gate when you drive into an area, and the gate swings open on its own. However, a loop detector is probably what opened the gate. The simple underground magnetic coil picks up on the metal of your car and sends an electromagnetic signal to the gate opener, letting you in. This guide will go over everything you need to know about loop detectors in Newcastle . How Far Does The Loop Detector Go? If a loop detector is part of the plan for a new business or home, construction workers will dig a trench between one and six inches deep and install a burial loop or pre-form loop before putting down asphalt or concrete. The crew will attach the loop to the rebar before putting down the asphalt. If you do not plan or want to add one after the fact, a saw-cut loop or cut-in counterpart can embed it in your driveway or road. How Do Loop Detectors Work? The loop detector is hooked up to the gate operator's main circuit board. The loop is ...