Edwards | SIGA-SD
Duct Detector Smoke Superduct Signature Series
The Edwards EST SIGA-SD is an intelligent, addressable duct smoke detector designed to provide early warning of smoke in HVAC ductwork, thereby preventing the spread of smoke throughout a building. Its advanced design ensures reliable performance and simplifies both installation and maintenance.
Key Features:
• Compact Design: With a depth of less than 2 inches, the SIGA-SD is ideal for installations where space is limited.
• Wide Operating Range: Functions effectively in air velocities from 100 to 4,000 feet per minute and temperatures between -20 to 158 °F (-29 to 70 °C), ensuring reliability in various environmental conditions.
• Clear Assembly Cover: The transparent cover allows for easy visual inspection of the detector’s status LEDs without removing the cover.
• Standard Sampling Tube Spacing: Facilitates straightforward installation and compatibility with existing systems.
• Magnet-Activated Test Switch: Enables convenient testing of the detector’s functionality without the need for additional tools.
• Environmental Compensation: Utilizes differential sensing to maintain stable and drift-free sensitivity, reducing false alarms caused by environmental changes.
• Dirty Sensor Warning: Provides alerts when the sensor approaches its preset contamination limit, indicating the need for maintenance.