System Sensor CO1224TR Round 12/24V 6-Wire System-Monitored Carbon Monoxide Detector with RealTest Technology is designed to deliver reliable carbon monoxide detection with advanced testing capability for compliant life-safety systems. Its electrochemical sensing, RealTest functionality, and system-monitored supervision make it ideal for commercial and residential alarm installations requiring dependable CO protection.

• Electrochemical CO sensing technology provides accurate and stable detection of carbon monoxide levels
• RealTest feature allows functional testing using CO gas agent for NFPA 720 compliance verification
• 12/24 VDC operation supports compatibility with most standard fire and security control panels
• 6-wire system-monitored design includes a trouble relay for sensor fault and end-of-life reporting
• Round, low-profile housing enables clean installation in visually sensitive residential or commercial spaces