Seco-Larm E-931-S50RRLQ Large Reflective Photoelectric Beam Sensor with Large Reflector
SKU
E-931-S50RRLQ
Model No
E-931-S50RRLQ
$160.00
Product Highlights
- Up to 50ft (15m) sensing range
- Response time adjustable from 50~700 ms for nearly all situations
- NO/NC Alarm output
- 12~250 VAC/VDC Operation
- Weatherproof, sunlight-filtering case for indoor and outdoor use

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The E-931-S50RRLQ from Seco-Larm is a large reflective photoelectric beam sensor designed for robust perimeter security. Featuring a versatile sensing range and innovative design, it minimizes false alarms while ensuring reliable operation in various weather conditions.
Seco-Larm E-931-S50RRLQ Beam Sensor Features
- Sensing Range: Up to 50ft (15m) - Provides a broad coverage area for significant perimeter monitoring.
- Large Sensor and Reflector: Patented design for an extensive sensing area and easier alignment - Simplifies installation and enhances performance.
- Reflective Beam Technology: Reliable perimeter security that reduces false alarms from environmental factors - Increases security effectiveness by filtering out trivial disturbances.
- Lensed Optics: Reinforces beam strength with immunity to weather-related false alarms - Ensures consistent performance regardless of rain, snow, or mist.
- Adjustable Response Time: From 50 to 700 ms - Offers flexibility for adapting to various detection scenarios.
- Alarm Output: NO/NC options - Compatibility with different alarm systems for improved integration.
- Operation Voltage: 12~250 VAC/VDC - Versatile power requirements for different installation needs.
- Weatherproof Design: Sunlight-filtering case suitable for both indoor and outdoor use - Essential for reliable operation in diverse environments.
- Included Accessories: Comes with a large reflector, hoods for sensor and reflector, and mounting hardware - Provides everything needed for quick and easy installation.
Seco-Larm E-931-S50RRLQ Detailed Specifications
| Feature | Details |
| Sensing Range | Up to 50ft (15m) |
| Design | Large sensor with patented design and large reflector |
| Alarm Technology | Reflective beam for perimeter security |
| Optics | Lensed optics for enhanced beam strength |
| Response Time | Adjustable from 50 to 700 ms |
| Alarm Output | NO/NC options |
| Operation Voltage | 12~250 VAC/VDC |
| Weatherproof Rating | Indoor and outdoor use |
| Included Accessories | Large reflector, sensor and reflector hoods, mounting hardware |
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