Sensor Switch is the industry leader in developing Occupancy Sensor Products & Technology for Lighting Control. Occupancy sensors can be used in a variety of applications including schools, warehouses, factories, offices, government buildings and even retail stores. High Bay Occupancy Sensors are most often used to control high bay lights in warehouses and other industrial settings.
Passive Infrared Occupancy Sensor Technology
Sensor Switch occupancy sensors utilize a Passive Infrared (PIR) dual element detector located behind a multi-segmented Fresnel lens. Each lens segment generates a pair of collector beams. As heat given off by the human body moves in and out of the beams, the detector "sees" this and triggers the occupancy mode. The Sensor Switch lens design creates a continuous array of beams that provide an even coverage so that the occupant can not sit in a "Gap" undetected. Additionally, Sensor Switch fine-tunes their sensors to detect small motions even at great distances, while still preventing "false trips".
High Bay Lighting Control
High Bay Lighting Control is made simple with the CMRB-6 and CMRB-50 Series Passive Infrared (PIR) occupancy sensors! These self contained units are line powered and can switch a large range of line voltages directly without the need for a Power Pack. Both the CMRB-6 and CMRB-50 mount directly to the end of a fluorescent fixture through an extended 1/2 inch chase nipple, and are keyed to easily mount through a 1/2 inch knockout. With mounting heights up to 45 Feet, these sensor are perfect for High Bay Lighting Controls.
The aisle way version, the CMRB-50, provides Bi-Directional High Bay Aisle Way sensing extending 70 to 110 feet when mounted at heights of 30 to 45 feet. The CMRB-50 sensor's view pattern provides coverage of the lighting areas of three typically spaced High Bay fixtures. Therefore, when mounted directly to a fixture the coverage area extends out to the area that is lighted by the neighboring fixtures. This effect is useful when traveling in a fork-lift truck, since lighting needs to be initiated “On” ahead of the truck. The CMRB-50 installs to a junction box or lighting fixture with a 1/2 inch knockout.
Selecting the Right High Bay Occupancy Sensor Coverage Pattern
One of the key components of a high bay occupancy sensor is the lens that determines the coverage pattern for the particular sensor. In high bay applications, the most common types of coverage patterns are 360 degree and aisle-way coverage patterns.
The image above depicts the coverage pattern for a high bay occupancy sensor with a 360 degree field of view. This device looks down from either the high bay fixture or the junction box that it is mounted on and covers a circular area extending out from the point directly below the mounting position. The size of this circle depends on the mounting height.
The image above depicts the coverage pattern for the Sensor Switch aisle-way occupancy sensor. This device has a special lens that masks the areas of a warehouse aisle that would normally be occupied by the racking. The segments of the lens alse enhance the coverage of the sensor so that fewer units can be used in an aisle-way applicaton
More Information
For more information, including device specifications, coverage area diagrams and installation tips, please visit the High Bay Occupancy Sensor product page.