Description
Smoke detector
A fire alarm is a an electronic sounder or a bell. The sounder makes a loud high pitched sound to alert people that there is a fire in the building. The sounders can be programmed to sound different tones. Most fire alarm sounders in Europe sound like a siren. The bell makes a continuous ringing sound. A fire alarm system has a number of devices working together to detect and warn people through visual and audio appliances when , , or other are present. These alarms may be activated automatically from , and or may also be activated via devices such as manual call points or pull stations. Alarms can be either motorized bells or wall mountable sounders or horns. They can also be speaker strobes which sound an alarm, followed by a voice evacuation message which warns people inside the building not to use the . Fire alarm sounders can be set to certain frequencies and different tones including low, medium and high.
Product Description
- Dual LED for 360 degree visibility
- 2 wire based detector
- Advance algorithms provides advanced detection discrimination
- Easy installation
- Low maintenance
- High immunity against unwanted alarms
- Stable optical smoke sensing chamber, No adjustment or replacement required
Specifications:
- Operating Voltage DC (10.8 ~ 30) V
- Frequency 3-5 Seconds
- Smoke Sensitivity 1.51% / ft ~ 2.73% / ft obscuration
- Reset Voltage Less than 1 volt
- Reset time Less than 1 sec.
- Alarm indication 2 continuous emittng red LEDs
- Start up current 200 μA
- Alarm current (Max) 60 mA
- Stand by current 60 μA
