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This image shows the dual tech sensor front and back profiles.

DLM Dual Tech Ceiling Mount Sensor

The LMDC-100 low profile Dual Technology Ceiling Mount Occupancy Sensor uses both passive infrared (PIR) and ultrasonic technologies to achieve precise occupancy sensing for energy-efficient control of lighting and plug loads. It is a digital sensor, and is part of a Wattstopper Digital Lighting Management (DLM) system.

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Features

Plug n’ Go™ automatic configuration for quick installation and maximum energy savings
Push n’ Learn™ functionality for customization without the need for tools or a PC
Digital Lighting Management components plug together on a free-topology Category 5e DLM local network
Infrared (IR) transceiver for wireless configuration and control
Ultrasonic diffusion technology spreads coverage to a wider area (patented); 40KHz signal
360 degree PIR coverage
Detection Signature Processing eliminates false triggers and provides immunity to RFI and EMI

Specifications

General Info

Product Line	Wattstopper
UPC Number	754182926329
Country Of Origin	China

Additional Information

DesignLights Consortium Qualified System	Yes
Product Environmental Profile	Yes

Resources

Is the LMDC-100 designed to function in low-movement settings such as conference or meeting rooms where people are always seated? Does that affect the installation height? We want to avoid lights shutting off during meetings where there isn't movement.

Asked by: JB

The LMDC-100 is an occupancy sensor. It's main function is to trigger on the load when it detects motion and keep the load on as long as it detects motion. It also will to turn off the load when it doesn't detect a motion after the time delay expires. If someone feels that it may turn off the load because people are not moving it's recommend to set the time delay to 30 minutes which is the maximum. Outside of maximizing the time delay you can put the sensor into override mode which will not allow it to use the time delay, plus the two technologies like the PIR and Ultrasonic within the sensor will no longer function and the sensor will not respond to movement or lack of movement but you will have to use a switch to turn on and off the lights because the sensor is dormant.