System Sensor CO1224T 12/24V 6-Wire System-Monitored Carbon Monoxide Detector with RealTest Technology is a professional CO detection device designed for integration with fire and security control panels in residential and commercial applications. Featuring electrochemical sensing, RealTest functional testing, and supervised wiring, it delivers reliable carbon monoxide monitoring with code-compliant system reporting.

• Electrochemical sensing technology provides accurate and reliable detection of carbon monoxide gas
• RealTest® functionality allows field verification using canned CO for compliant and simple functional testing
• 6-wire, 12/24V DC system-monitored design supports integration with most industry fire and security control panels
• Built-in trouble relay signals sensor failure or end-of-life conditions to the control panel for system supervision
• SEMS terminal screws and wiring supervision improve installation reliability and connection integrity