![]() ![]() Here are some features to consider when choosing your motion detector. You can purchase a basic motion detector or look for models with more features - usually aimed at reducing false alarms or making installation easier. Special features to look for in motion sensors This can effectively reduce false alarms because both technologies would have to trip in order for you to be notified. They use both ultrasonic and PIR technology and are a good fit for commercial spaces. This type of motion detector utilizes more than one of these technologies to get the job done. Installing them close to a heat source or a drafty area could cause false alarms. It’s important to place these sensors in the correct area because of their sensitivity to heat. If a person or animal passes through the designated area, the sensors will detect the change in temperature and alert you of movement. Area reflective sensors use the reflection of the infrared rays to identify if an object has entered a designated space.Ī Passive Infrared motion sensor (PIR) operates by detecting body heat. Area reflective: This technology uses LED lights that send out infrared rays. ![]() Any change in the radio wave pattern triggers the motion detector.
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