The Apollo 55000-225USA uses a low activity radioactive foil to detect fires by irradiating the air in the smoke chambers and causing a current flow. If smoke enters the chamber, the current flow is reduced leading to an alarm.
Features
Responds well to fast-burning, flaming fires
Designed to operate in a variety of environments
Wide operating voltage
Flashing LED and magnet operated test switch option.
Applications:
The Apollo 55000-225USA is suitable for applications such as:
B&Bs/guest houses
Bedrooms
Cafes
Restaurants
Retail
Small to medium buildings.