Silent Knight Addressable Duct Smoke Detector (SD505-DUCT) SD505-APS Included

The Silent Knight SD505-DUCT is an addressable duct smoke detector designed to sample air in HVAC ductwork for the presence of smoke, with the SD505-APS included for air pressure supervision.

Key Specifications

• Compatibility: Silent Knight addressable fire alarm control panels
• Voltage: 24 VDC
• Type: Addressable Duct Smoke Detector
• Sensitivity: Adjustable to 0.5% to 2.5%/ft obscuration
• Operating Temperature: 32°F to 120°F (0°C to 49°C)
• Airflow Range: 100 to 4000 feet per minute