The Guardian AERO 452 Remote-Mount Carbon Monoxide Detector is designed to provide continuous monitoring of carbon monoxide levels in aircraft cabins while allowing flexible installation away from the instrument panel. It incorporates a highly accurate, TSO-certified CO sensing element to support reliable detection and alerting in piston-engine aircraft.
In addition to carbon monoxide monitoring, the AERO 452 includes an integrated cabin pressure warning light, adding an extra layer of safety for aircraft equipped with pressurization or altitude-related warning systems. This dual-function capability helps crews maintain situational awareness during normal and abnormal operations.
The AERO 452 is designed to interface with supported external display units, enabling CO status and alerts to be presented on compatible avionics displays. When installed in accordance with Guardian Avionics installation instructions and applicable aircraft approval data, the AERO 452 provides a robust, certified solution for CO monitoring and warning integration.
Key Features
- Remote-mounted carbon monoxide detector for aircraft cabins
- TSO-certified CO sensing element
- Integrated cabin pressure warning light
- Supports display on compatible external avionics displays
- Designed for certified aircraft installations
- Manufactured by Guardian Avionics to aviation safety standards




















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