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- Microwave detection is a newer and more advanced occupancy sensor than the PIR– it works by emitting high-frequency electromagnetic waves and then receiving their echo. The sensor detects the change in echo from the slightest movement in the detection zone which commands a microprocessor to switch the light on.
mountlighting.co.uk/technical/microwave-detection-explained/
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How does microwave detection work?
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What are the benefits of using microwave sensors over Pir?
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Microwave sensors are active devices that detect movement using a principle known as the ‘Doppler Effect’. Once installed, microwave sensors continuously emit low-level microwave signals across a designated space or ‘detection area’.
There are two main types of motion detection sensors available, microwave and PIR (Passive Infrared) and we’re here to take a quick look at the pros and cons of each. pir These sensors detect heat.
Microwave detection is a newer and more advanced occupancy sensor than the PIR– it works by emitting high-frequency electromagnetic waves and then receiving their echo. The sensor detects the change in echo from the slightest movement in the detection zone which commands a microprocessor to switch the light on.
Microwave sensors can be more efficient for indoor lighting, this is because Microwave sensors are incredibly sensitive to movement, even being able to sense motion through thin walls, glass and plastic. If you’re using a microwave sensor as a security light, there’s a higher chance of false alarms. Don’t use them facing conservatories ...
Mar 18, 2022 · Compare the Benefits of Microwave & PIR sensors for the security lighting of your home, garden & office. Discover the best method of motion detector lighting.
Jan 19, 2024 · The sensor incorporates circuitry to amplify and process these signals, specifically filtering out random disturbances and targeting human motion. When the predefined motion signature is detected, the PIR sensor promptly sends an activation signal to the lighting system, turning on the lights.
Passive infrared (PIR) and microwave (MW) sensors are both widely used in lighting control. They both have the ability to detect moving objects, such as human bodies, but they work in quite different ways to each other.