On/Off Closed Loop Photosensor with Automatic Commission

On/Off Closed Loop Photosensor with Automatic Commission - Daylighting Controller The On/Off Closed Loop Photosensor LS-102 by WattStopper is a single-zone daylighting controller designed for closed loop applications. It operates as a 24 VDC device with an extended sensing range of 1 to 1400 footcandles, requiring a low voltage power pack for operation. This photosensor provides precise on/off switching to optimize lighting control in indoor environments with natural light contribution, making it suitable for electrical distributors and lighting solutions providers focusing on energy-efficient control systems. Specifications Operating Voltage: 12/24 VDC Power Consumption: 7mA @ 24VDC Output Signal: 24VDC; maximum 120 mA Dimensions: 2.4” diameter x 0.7” deep (61mm x 17mm) Operating Temperature: 32° to 120°F (0° to 49°C) Operating Humidity: 5% to 95% RH, non-condensing On Setpoint Range: 1 to 850 footcandles Status Indicator: Multi-function green LED Material: ABS, flame retardant, RoHS compliant Country of Origin: China UL Listed Features Advanced digital multi-band photosensor with on-board microcontroller and LCD display 100º cone lens to block unwanted light and prevent false triggers Automatic setpoint calculation with calibration process for precise control Four user-adjustable parameters: on/off setpoints, off setpoint time delay, and “Hold-On While Occupied” mode when paired with occupancy sensors Test mode for verifying settings accuracy and wiring correctness Control load status verification One-hour manual override capability via low voltage push button wall switch Programmable for most daylight conditions Indoor use only Five-year warranty Downloads & Links LS-102 OEM Data Sheet JULY 2011 - Sustainable engineering firm selects WattStopper for LEED Platinum headquarters LS-102 Daylighting Controller LightSaver LS-102 Daylighting Controller