The ductchecker and dbchecker are ideal for the maintenance of fire and security alarm systems.

Ideal for Fire and Security Alarm System Maintenance The ductchecker and dbchecker from SDI are ideal for the maintenance of fire and security alarm systems. The ductchecker is an easy-to-use tool perfect for testing duct detectors to ensure they sample airstream properly, according to manufacturer’s instructions and required by the National Fire Protection Association. This portable, battery operated device includes hard case and sampling tube plugs, making it convenient for initial and semiannual duct detector testing.
• Simple to Use
• Portable
• Battery Operated
• Meets NFPA 72 Requirements
• Perfect for Annual and Semi-Annual Testing
• Easy to Read Display