A motion detector is a security sensor that detects movements and subsequently triggers the home security alarm system. The majority of modern security systems have this feature.
How Motion Detectors Work
Typically, motion detectors have a field of view. If a person walks into this space, the sensors send an alert to the control panel, which in turn triggers the alarm. These sensors are ideal for monitoring outdoor areas, although they can also be useful in indoor checking, especially when you are not at home.
The majority of motion sensors rely on passive infrared (PIR) technology to detect motion. This works by sensing the changes in infrared energy that occur when a person comes into the field of view mentioned above. Every person generates a small amount of infrared energy which the motion sensor detects.
You can adjust the sensitivity of a motion sensor by increasing or reducing its pulse count. A high pulse count decreases the sensitivity of the sensor, which also reduces the instance of false alarms. A low pulse count, on the other hand, increases sensitivity, which is more likely to cause false alarms.
Some motion detectors, known as dual-tech motion sensors, use both PIR and microwave technology to detect movement. Dual-tech motion sensors are less likely to trigger false alarms.
Do motion Detectors Improve Home Security?
Alarm systems that have motion-sensing capabilities are more expensive than conventional systems. The question is, are they worth the extra penny? Here are some of the benefits of motion sensors.
Better Home Security
Burglary is a crime opportunity – this explains why most break-ins occur during the night or when you are away from home. When you install motion sensors, they will trigger the alarm immediately an unauthorized person intrudes in your property. The loud blaring noise will chase the burglar away, and if you are lucky, you can catch them in the act.
For protection during the night, it is advisable to install motion-sensing floodlights. An intruder will unknowingly walk into the sensor’s field of view, which will trigger the floodlights. As a result of the increased visibility, they will not break into your property.
Enhanced Safety
If you live near a forest, your home might be susceptible to wildlife attacks, especially during the night. Deadly animals such as mountain lions, coyotes and bears might be lurking around in search of food. When they trespass into your compound, the motion detector will trigger the floodlights, which will then scare them of, ensuring that you remain safe.
Besides, motion sensors can prove to be invaluable during winter. If you live in areas that experience snowy conditions, the motion-sensing floodlights can be useful in guiding you during the night.
Economy
The majority of homeowners who do not have motion sensors have to leave their lights on throughout the night. Despite the added security, this option consumes a lot of electricity and increases the bills. Motion-sensor activated lighting significantly reduces the electricity bills, as you do not have to leave the lights on through the night.
The Shortcomings of Motion Detectors
The most significant shortcoming of motion sensors is the triggering of false alarms. Often, the sensor can trigger the alarm when an object enters its field of view, even if it is a harmless creature such as a pet or other small animals. Likewise, the motion sensors can initiate the alarm if a family member goes through its field view.
Another problem with motion sensors is that they increase the price of a home security system. They also require additional installations such as floodlights, which further add their overall cost.
Conclusion
While they are not flawless, motion sensors certainly play a vital role in improving the security of a home. They are an excellent means of watching over your home during the night and when you are away from home.
If you are planning to purchase a home security system, ensure that it has motion-sensing capabilities. This way, you will have peace of mind when you are not at home.
That said, always remember to set a high pulse count in your motion sensor to reduce the occurrence of false alarms. If possible, invest in a dual-tech motion sensor.
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