Wattstopper LMLS-400-L Closed Loop Single Zone DLM Photosensor, Extended Tube, LMLS-400-L

ROCK SKU: WAT-LMLS-400-L
MFG Part #: LMLS-400-L

$316.90

$294.27

Spec Sheet Installation Guide

Estimated Lead Time: 1 week

The Wattstopper LMLS-400-L is a closed loop single-zone DLM photosensor with an extended tube, used to measure ambient light levels and automatically switch or dim one zone of lighting to maintain a target setpoint. The extended tube configuration reduces fixture spill light interference, improving measurement accuracy in open office, classroom, and daylit commercial spaces. Compatible with the Wattstopper DLM network for plug-and-play commissioning.

Sensor Type	Closed Loop Photosensor
Zones	Single Zone
Control	Automatic Switch or Dim
Mount	Extended Tube Configuration
Compatibility	Wattstopper DLM Systems

Returns

Returns accepted within 30 days of purchase, in original unopened packaging, unused and in resalable condition.
All returns require prior authorization — email info@rocklighting.com before shipping anything back.
Approved returns are subject to a 25% restocking fee, deducted from the refund.
No restocking fee when the problem is ours — damaged, defective, wrong item shipped, or an inaccurate listing.

Return & Refund Policy · 323-419-5591