The Silent Knight SK-DUCT Duct Detector is a precision-engineered photoelectric smoke detection solution specifically designed for monitoring air handling systems in commercial and institutional buildings. This advanced detector provides critical early warning smoke detection within HVAC ductwork, enabling rapid fire event identification and facilitating critical life safety system response protocols.
Engineered for seamless integration with addressable fire alarm control panels, the SK-DUCT leverages sophisticated photoelectric sensing technology to detect smoke particles with exceptional sensitivity and reliability. Ideal for applications ranging from office complexes and educational facilities to healthcare environments and industrial spaces, this detector ensures comprehensive air quality monitoring across diverse mechanical ventilation systems.
Designed to meet stringent fire protection industry standards, the SK-DUCT delivers professional-grade performance in challenging environmental conditions while maintaining exceptional compatibility with most modern fire alarm infrastructure.
Key Features
- Photoelectric sensing technology with advanced particle detection capabilities
- Compatible with addressable fire alarm control panels and communication protocols
- NFPA 72 compliant design meeting UL 268 and UL 464 testing requirements
- Low-profile, compact form factor for streamlined HVAC system installation
- Robust environmental performance across wide temperature and humidity ranges
- Easy calibration and maintenance with integrated diagnostic interfaces
Specifications
- Operating Voltage: 12-24 VDC
- Current Draw: Typical 150 mA @ 24 VDC
- Temperature Range: 32°F to 120°F (0°C to 49°C)
- Humidity Tolerance: 10% to 93% non-condensing
- Mounting: Direct duct mounting with included hardware
- Sensing Chamber: Photometric detection with precision optics
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 2.5 lbs |
|---|---|
| Dimensions | 16 × 6 × 4 in |
| Condition | New |
| Manufacturers | Silent Knight |
| Part Type | Duct Detector |







