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Presence & Motion Monitoring

Reliable detection of the presence of persons or objects is key in realizing occupancy-adaptive systems in indoor spaces. Depending on the application, different technologies are suitable for presence monitoring.

Infrared thermopile sensors detect movement and assume presence based on radiant heat emitted by or reflected from objects. The sensor is able to detect moving and motionless objects as well as the direction of movements. This opens up opportunities for hot spot detection, people counting, ambient assisted living, energy savings, and much more.

Ultrasonic sensors detect people, objects or fill levels with great precision and over a wide range of distances, even in the presence of fog, dirt and dust. Possible applications include vehicle detection, factory automation, people counting, and fill level control.

Classic presence detectors based on passive infrared (PIR) detect physical presence indoors and are ideal for offices, public buildings, hallways, storage areas and washrooms. They are characterized by simple construction, low maintenance requirements, and a convincing price/performance ratio. One of the most common applications is presence-dependent and energy-saving lighting control.

Motion sensors measure the motion, acceleration or vibration of a device or system. Among other things, they can be used for shock monitoring, occupancy sensing, and fall detection. Sometimes, motion sensors come as a built-in element of BLE beacons.


Infrared Thermopile Sensor

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Ultrasonic Sensor

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Presence Detector (PIR)

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Motion Sensor

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Using the web-based infsoft Sensors tool, you can reliably monitor the condition of machines and systems and display the sensor output signals.