Browse through our resource center for more information
Whether you would like to download product selection guides, brochures, product datasheets, installation instructions, CAD drawings, they are all available here.
If you cannot find the resources you need, please feel free to contact us at support@irtec.com or leave a message in our contact us page.
As a professional manufacturer in occupancy sensors for sustainable building control solutions, we strive to develop innovative products that not only allow you to provide occupancy sensing based building control, but also offer versatile selections for OEM lighting fixture integration. We strive to deliver maximum energy savings through simple and effective sensor controls.
The best controls are the ones you don't even realize are there at all.
LRD‑309S
SmartDIM Occupancy Sensor

The LRD‑309S is a low profile, fixture integrated occupancy sensor designed to control 0‑10V dimmable ballasts and LED drivers. This two‑way IR remote programmable sensor is capable of providing four different occupancy sensing control schemes with fully adjustable multi‑level high/low StepDIM or SmartDIM control to the integrated fixtures.
This sensor comes with a compact body design and can be easily integrated with luminaires through a 1.34" hole.
Different lenses can be applied to provide specific coverage at different mounting heights.
| Lens Options | Coverage | |
| Lens A Standard |
![]() |
![]() |
|
Lens B |
![]() |
![]() |
| Lens C High Bay |
![]() |
![]() |
| Lens D Standard |
![]() |
![]() |
| Lens F Extra Wide |
![]() |
![]() |
| Lens G * Aisle Way |
![]() |
![]() |
| Lens H High Bay |
![]() |
![]() |
| Lens L * Long Aisle |
![]() |
![]() |
| * Not for IP-66 application | ||
| Lens Options | Coverage | |
| Lens A Standard |
![]() |
![]() |
|
Lens B |
![]() |
![]() |
| Lens C High Bay |
![]() |
![]() |
| Lens D Standard |
![]() |
![]() |
| Lens F Extra Wide |
![]() |
![]() |
| Lens G * Aisle Way |
![]() |
![]() |
| Lens H High Bay |
![]() |
![]() |
| Lens L * Long Aisle |
![]() |
![]() |
| * Not for IP-66 application | ||
We use cookies to enhance your browsing experience on our website. By clicking "Accept", you consent to our use of cookies. Cookie Notice
2016-2025 Copyright © IR-TEC International Ltd. All rights reserved.
Privacy Policy | Terms of Use | Disclaimer | Cookie Notice
