Silent Knight SD505-PHOTO-RC

The Silent Knight SD505-PHOTO is an intelligent addressable photoelectric smoke detector for IntelliKnight fire alarm systems. It uses a photoelectric chamber with LED light source and silicon photodiode to detect large visible smoke particles from slow-burning fires. Each detector carries a unique address and provides automatic sensor contamination compensation and low-profile aesthetics for indoor installations.

Key Features

• Addressable photoelectric smoke detector with unique address on IntelliKnight panels
• Photoelectric sensing optimized for slow-smoldering fire detection
• Automatic sensitivity window verification and drift compensation
• Remote testing and automatic sensor calibration capability
• Low-profile design suitable for ceiling applications
• Field-selectable vandal-resistant locking feature
• Compatible with SD505-6AB and other Silent Knight detector bases

Technical Specifications

• Detection Technology: Photoelectric with LED and silicon photodiode
• Smoke Type: Detects large visible particles from smoldering fires
• Addressing: Unique addressable device for IntelliKnight SLC
• Compatibility: Silent Knight IntelliKnight fire alarm control panels
• Features: Automatic sensor compensation, low-profile, remote test capable
• Mounting: Compatible with SD505-series detector bases
• Status: Legacy/Discontinued model (replaced by newer Silent Knight models)

Certifications

• UL Listed addressable photoelectric smoke detector
• NFPA 72 compliant