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DLM Photosensor, Closed Loop Single Zone

LMLS-400 Wattstopper
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The LMLS-400 is a closed loop photosensor that measures the ambient light level in order to automatically switch or dim one zone of lighting. It is part of a Digital Lighting Management (DLM) system and sends light level signals to control loads connected to DLM on/off or dimming room controllers. The LMLS-400 has a photodiode with an extended range of 1-1,553.

Depth 1 in

In Stock


  • Daylight responsive on/off, bi-level, tri-level or dimming control for one lighting zone
  • Extended tube model accommodates thicker ceiling materials
  • 100 degree spatial response for optimal detection of ambient light level
  • Automatic calibration and configuration; optional hold off setting to maximize energy savings
  • Photodiode corrected to match the photopic response of the human eye
  • Can be calibrated in any daylight condition


General Info
UPC Number 754182928910
Country Of Origin China
Product Line Wattstopper
Product Volume US 36.06 cu in
Product Width US 3.0 in
Product Height US 4.8 in
Product Weight US 0.2 lb
Product Depth US 2.48 in
Additional Information
Product Environmental Profile Yes
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