Smoke alarm device realizes fire prevention by monitoring the concentration of smoke. Ionic smoke sensor is used internally. Ionic smoke sensor is a kind of advanced technology, stable and reliable sensor. It is widely used in various fire alarm systems, and its performance is much better than that of gas-sensitive resistance type fire alarm device.
Parameters:
Power supply: 9V alkaline battery or carbon battery
Working current: The static current is less than 10 UA, and the working current is between 20 and 25 UA.
Smoke Sensitivity: It meets UL 217 standard.
Working temperature: 40oF-120oF (-4-50 C).
Gas interface temperature: 10% - 90%.
Sound level of buzzer: 85 dB at 10 feet.
Battery life: about one year.
It is suitable for smoke-free places such as hotels, hotels, teaching buildings, office buildings, computer rooms, communication rooms, library and archives. However, it is not suitable for places with large amount of dust and water mist, places where steam and oil mist may occur, and places where smoke is trapped under normal conditions.