Simplex 4098-9773 TrueAlarm CO Sensor Base with 520 Hz Sounder

The Simplex 4098-9773 TrueAlarm CO Sensor Base with 520 Hz Sounder is an advanced detection device designed for use in fire alarm and life safety systems. This unit integrates a carbon monoxide (CO) sensor with a built-in 520 Hz sounder to provide early warning of both fire and carbon monoxide hazards. The TrueAlarm technology offers precise detection and accurate, real-time monitoring of CO levels, ensuring rapid response in emergencies. This sensor base is ideal for commercial and industrial buildings, as well as residential applications, where both smoke and CO detection are essential for safety. The 520 Hz sounder helps ensure that the alarm is distinguishable from standard fire alarms, offering clear and immediate notification.