Overview
The Tri-Tronics SDLR photoelectric sensor is a member of the SMARTEYE product line, engineered for precise object detection and contrast sensing in automated manufacturing environments. Photoelectric sensors from Tri-Tronics are known for reliable performance in packaging, printing, material handling, and quality control applications where light-based detection is critical to production continuity.
Key Features
- SMARTEYE photoelectric sensing technology for high-resolution detection
- Configurable lens modes for diverse sensing task requirements
- Reliable contrast detection for low-contrast material identification
- Industrial-rated durability in harsh manufacturing environments
- DIN rail and side-mount compatibility options
Technical Specifications
The Tri-Tronics SDLR sensor operates within standard photoelectric sensor parameter ranges:
- Housing: DIN Rail / Side Mount compatible
- Light Source: Modulated infrared or visible LED (model-dependent)
- Output Type: Digital (NPN or PNP selectable on most SMARTEYE models)
- Operating Range: Application-dependent; consult datasheet for precise range
- Response Time: Microsecond-level for high-speed applications
- Repeatability: High accuracy for consistent detection cycles
- Operating Temperature: Industrial range (typically 0–50°C)
- Ingress Protection: Rated for shop-floor environments
Typical Applications
- Label and web registration detection on printing and packaging lines
- Object position and presence sensing in material handling
- Color and contrast sorting in quality control systems
- Edge detection for film, paper, and converting operations
- Container and component counting in assembly automation
Compatibility & Replacements
Compatible With
- Industrial automation controllers supporting 24VDC sensor inputs
- PLC and motion control systems with digital input modules
- Packaging, printing, and material handling machinery
- Custom sensor interface circuits and relay logic systems
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The SDLR model is part of the Tri-Tronics SMARTEYE product family. Related models in this family include SMARTEYE PRO, SMARTEYE EZ-PRO, and SMARTEYE MARK III variants. Confirm voltage, output type, and mounting requirements with technical documentation before substitution.
Works With
- 24VDC industrial power supplies
- Standard NPN/PNP logic interfaces
- M12 connector systems (on some models)
- DIN rail enclosures and panel mount systems
- Fiber-optic sensor extensions (where applicable to sensor variant)










