How Does a Magnetic Driveway Sensor Work?

If you have been looking for a way to protect your home without breaking the bank then you have probably looked into motion detectors and found that they may cause more problems than they are worth. A system that uses an infrared beam to gauge movement can be fooled by anything, from a ball to a large animal, which can make them go off so frequently that you disable them. Once that occurs you will have no more protection than if you had not invested in the detector, but you will probably be out a few hundred dollars. Thus, you continue looking for a good way to secure your home.

If you are looking for a good way to detect cars entering your property then you need to investigate a magnetic driveway sensor. These devices have none of the problems that standard motion detectors have because the do not use infrared sensors to track motion. Instead, a magnetic sensor detects the movement of metal within a small radius, usually between 7 and 15 feet, and transmits a signal to a receiver. The receiver then plays an alert tone or chime to inform you that a car is approaching up the driveway, or entering your property. This way you can know when someone pulls up and be ready for their business, or to see if they are supposed to be there.

There are many different ways to set up a magnetic driveway alert system, and each one has a different purpose. Wired driveway alert systems, for example, are useful for areas where there may be a lot of interference, from thick vegetation or machinery, but will cost you more than a standard wireless model. The wide variety of wireless models allow you to customize your alert to meet your needs: the DWA-3 can be hooked up to a small receiver that is meant to be worn on a belt, allowing you to move freely without having to worry whether or not you will hear someone approaching. This can be extremely useful for warehouses and shops because you can meet the visitor at the entrance nearest to the driveway, without having to wait for them to call or come inside to find you.

For locations with several entrances you can send up a magnetic driveway sensor at each one and program it to a different tune, which will allow you to differentiate between the entrances. This makes them versatile and cost-effective because it allows you to control your environment with much greater ease and detail. Once you install a magnetic sensor you will not have to worry about maintaining them, because they are weather proof and completely self-enclosed. This makes them extremely useful for places that may have a hard time finding the right resources to bury heavy cable or reinforce a structure to house a detection device.

Now that you understand how a magnetic sensor works you can go online and find the one that is right for your situation. In the end, a sensor like the ones described above can save you time, money and grief by alerting you to potential dangers long before they enter your world.

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