LED Motion Sensor Lights & Occupancy Sensors

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Motion sensor lights can help reduce energy usage and improve security.

Types of Sensor Lights

There are three main types of sensors used in LED sensor lights:

1) Passive Infra-Red (PIR) motion detectors. PIR sensors measure the infrared light (or heat) radiating from objects in their field of view. They detect a change in radiation when something obvious happens: like a person walking past, or a vehicle driving by.

2) Microwave occupancy sensors. Microwave sensors emit a microwave signal and then detect if this signal has been disturbed. As a result, they tend to be more sensitive than PIR sensors.

3) Photo Electric (PE) light sensors. PE cells or sensors detect the amount of light in a given area. They are often used to switch lights on overnight at a certain light level (lux level).

There are many different words used to describe motion sensor lights. These include: motion sensor, movement detector, occupancy sensor, day/night sensor, daylight harvesting, and others. Despite all the different words, most light fittings use one or a combination of the three types of sensors described above.

Popular Applications for LED Motion Sensor Lights

Some of the most beneficial applications for LED sensor lights include:

  • Security lighting.
  • Building perimeter, front entrance, and driveway lighting.
  • Underground and undercover car park lighting.
  • Meeting rooms, storerooms, and other back-office areas.
  • Corridors and lift lobbies.
  • Fire escape and emergency lighting.

See also our complete lighting range.

View all LED Motion Sensor Lights & Occupancy Sensors.

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