Occupancy Sensors

Occupancy sensors detect motion within a space and switching the lights On and Off as needed. and are ideal for spaces that are intermittently occupied. Because of their easy installation, user convenience and maintenance-free operation, occupancy sensors are one of the most preferred lighting control solutions.

 

Studies have shown that occupancy and photo sensors save an average of 30-40% on lighting energy costs.

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Chi yang Systems offers a comprehensive line of sensors that offer solutions for almost any application.

  • Ultrasonic– Ultrasonic sensors detect occupancy by emitting a high-frequency signal and interpreting changes in frequency as motion. Ultrasonic sensors do not require a direct line of sight, meaning they can “see” around corners and objects. They are also highly sensitive to motion – even minor hand movement.
  • Passive Infrared (PIR)– Designed to detect motion from a heat-emitting source, PIR sensors switch lights On and Off when a person enters or exits their field of view.
  • Dual Tech– Dual Tech sensors combine PIR and ultrasonic technology. Lights are only activated when both sensors detect occupancy – eliminating false activation – and require one of the technologies to keep the lights on, significantly reducing the possibility of a false deactivation.

 

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