PW-508 Stand-alone photoelectric smoke detector alarm is under BSI approval, and can be calibrated into either UL, VDS, NF Standards. It features UL-approved Photoelectric sensing components with precise smoke detection. and long life (18 months) 9V battery operation (9V UltralifeLithium battery model for 10-year life is available too).

9V Power Supply, Meets CE, RoHS and EN14604

Specifications/Special Features:

• Features:
  • Works on principle that infrared scatters on smoke surface
  • Probes smoke which is generated by incomplete combustion at initial stage of fire
  • Smoke detector consists of photoelectric system, signal processing identification and alarm circuit
  • Infrared scatters on surface of smoke when smoke enters darkroom of detector
  • Photoelectric diode receives scattered light and generates photoelectric signal current
  • Photoelectric signal generates alarm signal after being processed by identification circuit, accordingly purpose of alarming is achieved
• Specifications:
  • Power supply: 9V DC Block battery/PP3
  • Quiescent current: 6 to 12μA
  • Alarm decibel: ≥85dB/3m
  • Sensitivity standard: EN14604
  • Age limit of battery:  2 to 5years(It varies with different types of battery)
  • Temperature: -10 to +40 degrees Celsius
  • Low battery Alarm
  • High and stable sensitivity
  • 5 years limited quality guarantee

please contact with us for more information, welcome to establish business relationship with our company.