
IR-TEC has been specializing in sensor and control solutions for lighting and HVAC since 1982. The company offers a wide variety of occupancy and daylight sensors for OEM lighting fixture integration, standalone lighting controls, and building management systems integration.
Versatile selections for OEM lighting fixture integration
- High Frequency Doppler Sensing
- Passive Infrared
- SmartDim Continuous Dimming
- Wall Switch Sensor
- Occupancy Sensor
- Daylight Sensor
- Power Pack and Controller
For more information about IR-TEC please visit www.irtec.com

Featured Product: LRD-309S Low-Profile Fixture-Integrated Occupancy Sensor
The LRD-309S is a compact, fixture-integrated occupancy sensor designed for seamless control of 0-10V dimmable ballasts and LED drivers. Featuring two-way, remote programmability, it offers four versatile occupancy sensing control modes with fully adjustable multi-level dimming using StepDIM or SmartDIM.
Key Features:
- SmartDIM Technology: Advanced automatic dimming maintains ambient light within a preset range, delivering smooth, continuous dimming for optimal lighting efficiency.
- Flexible Control Options: Four customizable occupancy sensing modes support diverse lighting needs.
- Hybrid Switching: Engineered to handle high inrush currents, enabling up to 500,000 switching cycles for LED drivers.
- Remote Programmability: Easily adjust settings without direct access to the fixture, streamlining installation and maintenance.
The LRD-309S combines precision control with long-lasting performance, making it an ideal solution for energy-efficient lighting applications.
To learn more about LRD-309S visit IR-TEC.com