HY-SA20A

Category:

Standalone Smoke Alarm

  • Key Points
  • Split-spectrum photoelectric sensor technology
  • Loud sound output over 85 dB(A) at 3 meters
  • Low quiescent current consumption
  • Surface-mount device (SMD) circuit board design
  • Low battery warning signal
  • Test and hush features in one single button
Working Principle
Collection Type Smoke
Sampling Period 9 s
Sensor Type Photoelectric
Alarm
Alarm Type Smoke alarm, fault alarm, low battery warning
Alarm Volume 85dB (A) at 3 m (9.84 ft)
Alarm Mode Visual and audible alarm
Silencing Function Yes
Alarm Response Threshold 0.2dB/m-0.3dB/m
Basic Parameters
Indicator Light Alarm, fault and operation indicator
Led Instructions Standby: Green indicator flashes once per minute
Alarm: Red indicator flashes once per second
Fault: Red indicator flashes once per minute

Low battery warning: Red indicator flashes once per minute

Coverage Area When the height of the space is less than 8 m (3.28 ft), the protection area of a device is 20 m2–40 m2
Power Supply
Battery Life 10 year
Power Source 3V CR123A lithium battery (replaceable)
Operating Current Monitoring current: ≤ 15uA
Alarm current: ≤ 35mA
Operating Ambient
Operating Environment Indoor
Operating Temperature -10°C to +55°C (+14°F to +131°F)
Operating Humidity ≤ 95% RH (non condensing)
Appearance
Color White
Casing ABS
Dimensions φ98 mm × H43.1 mm (φ3.85″ × H1.70″)
Weight 136 g (0.30 lb)
Installation Ceiling Mount
Certification
Certifications TÜV and CE listed
Compliance Standard EN 14604:2005+AC:2008

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