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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.
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How does microwave detection work?
How does a microwave sensor work?
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Should you consider a motion detection system for outdoor lighting?
Why do you need a microwave sensor?
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’.
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. Instead of detecting heat signatures, a microwave sensor sends out invisible microwaves throughout their detection wave, and measures how long it takes these waves to return to the sensor. This is a process known as Echo Time.
To combat the PIRs temperature detection fault, Green Lighting developed a PIR sensor with Tri-Sensor Technology. The P-Lux LED Lantern Range, incorporates a sensor that combines a PIR with a thermometer, allowing the lantern to automatically adjust the PIRs sensitivity depending on the ambient temperature. This, combined with a photocell and ...
In lighting applications, microwave sensors are a type of motion detector that switches a light on when the sensor detects movements. These sensors can react within less than 1/5 of a second. And more advanced models can even detect whether a person is moving towards or away from the sensor, or moving randomly.
We can provide a comprehensive list of Ansell fittings, along with their respective microwave sensor. These sensors have adjustable settings that can allow the end user/installer to alter the detection area and sensitivity, which will aid in reducing the frequency of false triggers in your lighting.
Put simply, a Passive Infra-Red Sensor, commonly referred to as a PIR, is basically an electronic sensor which measures the infrared radiation being detected from objects within its field of view and is generally used for the automatic activation and control of lighting equipment as well as in security alarm systems.
