Vacancy Sensors
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Commercial Grade 2025 sq. ft. Vacancy Motion Sensor In-Wall Switch
120V Vacancy Motion Sensor Light Switch Single Pole
120-277V Occupancy/Vacancy Sensor Light Switch PIR/Ultrasonic White
120-277V Occupancy/Vacancy Motion Light Switch PIR Single Pole White
120V Vacancy Motion Sensor Light Switch PIR Single Pole White
Occupancy/Vacancy Motion Sensor Single Pole In-Wall Switch
Caseta Wireless Wall Occupancy/Vacancy Sensor PIR White
120V Occupancy/Vacancy Motion Sensor Light Switch Single Pole
Vacancy Motion Sensor Single Pole In-Wall Switch Light Almond
Occupancy/Vacancy Motion Sensor Single Pole In-Wall Switch Ivory
Commercial Grade 2025 sq. ft. Vacancy Motion Sensor In-Wall Switch
Caseta Wireless Wall Vacancy Sensor PIR White
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A vacancy sensor switch is an electrical device designed to automatically turn off the lights when a room is unoccupied for a certain period of time. It uses advanced motion-sensing technology to detect the absence of movement and then switches off the lights accordingly. Unlike traditional light switches that rely on manual operation, a vacancy sensor switch provides a hands-free solution, making it a convenient and energy-efficient option for any space.
How Does a Vacancy Sensor Switch Work?
A vacancy sensor switch utilizes a combination of infrared and ultrasonic sensors to detect motion and determine whether a room is occupied or vacant. The infrared sensor detects body heat, while the ultrasonic sensor emits high-frequency sound waves and measures the time it takes for them to bounce back. When these sensors do not detect any movement for a predetermined period, usually set between 10 to 30 minutes, the vacancy sensor switch assumes that the room is unoccupied and turns off the lights. This automated process ensures that energy is not wasted on lighting an empty room.
Benefits of Using a Vacancy Sensor Switch
There are numerous benefits to using a vacancy sensor switch. Firstly, it helps save energy by automatically turning off lights in unoccupied areas, preventing unnecessary electricity consumption. This translates to lower utility bills and a reduced carbon footprint. Secondly, a vacancy sensor switch enhances convenience by eliminating the need to manually switch lights on and off. This is particularly useful in spaces where people frequently forget to turn off the lights, such as restrooms, conference rooms, and storage areas. Additionally, these switches can extend the lifespan of light bulbs by reducing their usage, saving you money on replacements.
Vacancy Sensor Switch vs Occupancy Sensor Switch - What's the Difference?
While both vacancy sensor switches and occupancy sensor switches serve the purpose of conserving energy, there is a fundamental difference between the two. A vacancy sensor switch requires manual activation to turn on the lights, and it will automatically turn them off when the room is unoccupied. On the other hand, an occupancy sensor switch automatically turns on the lights when it detects motion and turns them off after a certain period of inactivity. The key distinction lies in the manual activation required for vacancy sensor switches, providing users with more control over when the lights are turned on.
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