Motion detectors & sensors
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What types of sensors are there?
The different types of sensors work according to different principles:
- PIR sensors (passive infrared sensors): These detect temperature changes in their detection area caused by moving people or animals. They are particularly suitable for indoor and protected outdoor areas.
- HF sensors (high-frequency sensors): These work with electromagnetic waves and react to even the smallest movements, even through thin walls or glass. Ideal for corridors, stairwells or offices.
- Twilight switches: These do not react to movement, but to the ambient brightness. They ensure that light is only switched on and off again at a certain level of darkness.
- Ultrasonic sensors: Work with sound waves and are best suited for indoor use.
- Camera motion detectors: Work by electronically analyzing image data and are suitable for outdoor and indoor use.
- Combined sensors: Many modern sensors combine several technologies to provide more precise results and avoid false triggers.
Advantages of motion detectors and sensors
- Convenience: Switching lights manually is a thing of the past! Especially if the light switch is not immediately accessible (large halls, long corridors, outdoor areas) or if your hands are simply full, a motion detector makes your life much easier.
- Efficiency: motion detectors only switch your light sources on when necessary. This saves both energy and costs.
- Safety: With bright, automatic lighting, you can ensure safe paths and driveways around your application or property. Although light attracts mosquitoes, it deters unwanted guests. Sensor-controlled alarm systems also provide optimum security for your home or business. There are models that sound a signal or use light to make movement visible
The right detection area
The detection area of a sensor determines where and how reliably movements or changes are detected.
- Indoors: In living rooms or corridors, the sensor should be strategically positioned so that it can detect movements at an optimum angle.
- Outdoors: Here, the sensor type and positioning should be chosen to minimize unnecessary switching caused by wind movements or small animals.
- Detection angle: Motion detectors are available with different detection angles, e.g. 180° for walls or 360° for ceiling mounting.
Additional setting options
Modern motion detectors offer numerous configuration options:
- Sensitivity: Determines how strong a movement must be to trigger the sensor. - Light duration: Sets how long the light remains switched on after the last detected movement.
- Twilight threshold: Determines the ambient brightness at which the sensor is activated.
- Range: Depending on the model, the range can be adjusted to adapt the detection zone specifically.
Motion detectors and sensors are a smart solution for modern lighting control and contribute to an energy-efficient, safe and comfortable environment. Discover our extensive range of motion detectors, sensors and matching accessories for your individual requirements!
Buy motion detectors
At WATT24 you will find a large selection of high-quality motion detectors and sensors from leading brands such as Theben, Tridonic, Lunatone and many more. Whether for indoor or outdoor use, we offer you the right solution for your application.
Do you have any questions or need personal advice? Our team of experts will be happy to help! Simply contact us by phone, email or via our contact page - we'll help you make the best choice for your lighting solutio