Dahua AirShield Wireless Smoke Alarm

System Overview

Dahua Wireless Smoke Alarm provides battery-powered smoke detection and alarm functions within a single unit. Advanced electronics in conjunction with a photoelectric smoke sensing chamber provide early detection of smoke and high immunity against unwanted alarms. This kind of smoke alarm does not require a mains supply and is suitable for general residential applications. Timely notification of the smoke alarm can be displayed on DMSS App in real time.

Scene

Mainly applied for villas, shops, apartments, etc.

Features

• Split-spectrum sensor technology
• Test and silence features in one single button
• 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

Technical Specifications

WORKING PRINCIPLE

• Collection Type: Smoke
• Sampling Period: 10 s
• Sensor: Type Photoelectric

ALARM

• Alarm Type: Smoke alarm, fault alarm, low battery warning
• Alarm Volume: 85dB–90dB(A) at 3 m (9.84 ft)
• Alarm Mode: Visual and audible alarm
• Silence Function: Yes
• Silence Duration: About 12 min
• Alarm Response Threshold: 0.2 dB/m - 0.3 dB/m

BASIC PARAMETERS

• Indicator Light: Red and green LED 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: 3 year
• Operating Voltage: 3V CR123A lithium battery (replaceable)
• Operating Current: Monitoring current: ≤ 35uA, 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: φ98mm × H43.1mm (φ3.85" × H1.70")
• Weight: 140 g (0.30 lb)
• Installation: Ceiling Mount

CERTIFICATIONS

• Certifications: TÜV and CE listed
• Compliance Standard: EN 14604:2005+AC:2008

WIRELESS

• Carrier Frequency: 868 MHz–868.3 MHz
• Communication Distance: Up to 1000 m (3280.84 ft) in an open space
• Communication Mechanism: Two-way
• Frequency Hopping: Yes
• Encryption Mode: AES128