Sick LL3-TR03 Fiber Optic Sensor
The LL3-TR03 Fiber Optic Sensor features multi-fiber bundle structure, 60° dispersion angle, PMMA jacket, and 4 mm bend radius for sensing applications. This Sick Fiber Optic Sensor belongs to the LL3 series with smooth sleeve arrangement, PE fiber head, stainless steel housing, and through-beam sensing principle. The LL3-TR03 Fiber Optic Sensor uses fiber-based detection, no integrated lens, and operates within -40°C to +70°C temperature range.

| Brand | Sick |
| Product Type | Fiber Optic Sensor |
| Model Number | LL3-TR03 |
Sick Pre Made Fiber Optic Cable LL3-TR03, 5308054 Technical Specifications:
| Specification | Value |
|---|---|
| Device type | LL3-TR03 |
| Functional principle | Fibers |
| Sensing range max. | Through-beam system |
| Fiber length | Depends on the fiber-optic sensor used |
| Jacket material | Polymethylmethacrylat (PMMA) |
| Fiber head material | Polyethylen (PE) |
| Thread diameter (housing) | Stainless steel |
| Fiber-optic head design | N/A |
| Fiber arrangement | Smooth sleeve |
| Core structure | Multi-fiber – fiber bundle |
| Diameter/thread size from 2 mm taper | 4 x Ø 0.25 mm Multi-fiber – fiber bundle |
| Length of taper | N/A |
| Angle of dispersion | 60° |
| Integrated lens | No |
| Bend radius, fibre-optic cable | 4 mm |
| Ambient operating temperature | –40 °C ... +70 °C |
The LL3-TR03 Fiber Optic Sensor is a Sick Fiber Optic Sensor designed for through-beam detection in industrial automation applications. It includes a multi-fiber bundle structure, 60° dispersion angle, PMMA jacket, and 4 mm bend radius for stable sensing performance. As part of the LL3 series, the LL3-TR03 Fiber Optic Sensor is used where flexible fiber routing and consistent optical detection are required.
The LL3-TR03 Fiber Optic Sensor is used in conveyor systems, packaging machines, assembly lines, and automated inspection setups. Its smooth sleeve design allows flexible installation, while the multi-fiber bundle supports stable signal transmission across sensing points. The small bend radius enables reliable performance in compact industrial spaces where routing flexibility is essential.
The LL3-TR03 Fiber Optic Sensor from Sick combines multi-fiber construction with durable materials for dependable industrial use. With specifications such as structured fiber bundle, defined bend radius, and controlled dispersion, it supports consistent detection performance. The LL3 series compatibility ensures integration with fiber optic sensing systems, making the LL3-TR03 Fiber Optic Sensor suitable for industrial automation applications requiring stable and reliable detection.




