You understand the general objective of motion sensors is to trigger your alarm when activity is detected. But you may still be wondering: How do they work? What is the technology behind them, and do you really need them? This simple tutorial will address your questions and provide reasons why these components are such an indispensable part of your home security system.
Why Are Evanston Motion Sensors Implemented?
You can generally expect a residential motion detector to provide coverage for an area inside a distance of six to 70 feet. If needed, you may locate options that can increase your protection to a greater degree. These components are commonly used in things like outdoor flood lights. When they notice movement, they trigger your lights which shine down on your surroundings.
Along with flood lights, you’ll also see motion sensors in video equipment like the ADT outdoor security camera. This powerful component can be set to send updates and even video clips to your smartphone when movement is found.
Active Motion Sensors
Active sensors, as you might expect, continuously emit a signal or wave and then record the response time. If there is a change in the response time, movement is signified and your command center is notified. Microwave sensors are the most common type of active device. You can also come across ultrasonic sensors that utilize sound waves and reflective sensors that track the response time of infrared light.
Passive Infrared Motion Sensors
One of the other most ubiquitous kinds of motion detection devices in Evanston is the passive infrared (PIR) motion sensor. Dissimilar to active devices, they don’t continuously discharge a signal. Conversely, they are able to notice temperature fluctuations within a designated space. An abrupt increase in heat, like someone sneaking into a room, will trigger the passive sensor.
In comparison to active types, PIR devices need a lower amount of power, are easier to run, and cost less. As an extra benefit, you may alter the levels of sensitivity for most installations. For example, the animal-friendly ADP motion sensor may be programmed to disregard four-legged family members weighing under 60 pounds.
A Few Extra Sorts Of Motion Sensors
You may come across various motion sensors that utilize two types of technology. Usually identified as combined, dual, or hybrid sensors, these devices help cut down on false alarms as both styles of sensors need to be triggered for your alarm to engage. You could even see vibration detectors and tomographic motion sensors that are usually utilized in more expansive commercial spaces.
Request Your Security System With Motion Sensors in Evanston
Knowing that you have an enhanced understanding of how motion sensors work in Evanston, it’s the right time to request your own security system with these critical devices. If you get them as part of a package, you’ll gain comfort knowing they function seamlessly with your additional security tools. Contact Secure24 Alarm Systems now and allow our experts to help you find the right system for your home. Call (847) 268-7321 or fill out the form on this page to start.