Optex SL-650QDP SmartLine Advanced Outdoor Photoelectric Quad-Beam Detector, 650' Range

For robust perimeter security and continuous site monitoring, the Optex SL-650QDP photoelectric beam detector delivers dependable long-range protection designed for professional security installations. This SmartLine quad-beam sensor combines a 650' (200m) maximum detection range with double modulation and four selectable beam frequencies to reject environmental and RF interference—reducing nuisance alarms and improving overall system reliability. Built for outdoor surveillance, the SL-650QDP features an anti-frost system and a durable PC housing to maintain performance in cold, wet, or dusty conditions. Installers benefit from vivid internal alignment indicators and versatile pole or wall mounting that speed commissioning and lower labor costs. The wired connectivity and beam power control make this unit easy to integrate into access control, perimeter intrusion detection, and facility monitoring systems. Ideal for critical infrastructure, industrial sites, and commercial perimeters, the Optex SL-650QDP provides a resilient, low-maintenance layer of security for demanding applications. Add it to your surveillance or security design to strengthen perimeter monitoring—contact sales or order today to protect your site.

• Provides dependable long-range perimeter protection up to 650' (200m) to secure large outdoor sites with minimal infrastructure.
• Quad-beam architecture and double modulation reduce false alarms and ensure reliable detection even in challenging outdoor conditions.
• 4-channel selectable frequency and beam power control minimize cross-talk and interference for cleaner monitoring and integration with other sensors.
• Anti-frost system and rugged PC housing deliver continuous operation in cold, wet, or dusty environments for 24/7 surveillance.
• Bright internal alignment indicators and flexible pole/wall mounting speed installation and lower commissioning time and labor costs.