Pir occupancy sensor one type of occupancy sensoruses passive infrared or pir technology to detect motion.
Pir occupancy sensors for lighting.
The term passive means that the pir device does not emit an infrared beam but merely passively accepts incoming infrared radiation.
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However only one type is needed to keep the lights on.
Passive infrared technology sensors passive infrared pir sensors work by detecting the presence of heat energy in confined spaces.
Leviton decora 120 277 volt ac white occupancy pir sensor model r52 ods10 ihw 39 97 39 97.
Pir sensors detect general movement but do not give information on who or what moved.
An occupancy sensor is an indoor motion detecting device used to detect the presence of a person to automatically control lights or temperature or ventilation systems.
These sensors require both the active and passive sensors to trip before turning on the lights.
The lighthawk dimming dual technology wall switch sensor combines passive infrared pir and ultrasonic us technologies with the additional energy savings of 0 10v dimming.
From wall and ceiling mount to wall switch and wireless leviton motion sensors enhance.
These state of the art devices use passive infrared ultrasonic or a combined multi sensing technology.
Though used in a slightly different way for lighting applications it s the same core technology found in thermal imaging devices advanced telescopes night vision equipment and a host of other innovative tools.
They are most often used in pir based motion detectors pir sensors are commonly used in security alarms and automatic lighting applications.
Lithonia lighting contractor select cmr series 360 small motion standard range ceiling mount occupancy sensor model cmr 9 52 76 52 76.
A passive infrared sensor pir sensor is an electronic sensor that measures infrared ir light radiating from objects in its field of view.
There are occupancy sensors that combine both ultrasonic and pir technologies called dual tech sensors.