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HY-SA21A-W2(868)
Wireless Smoke Alarm
> 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
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 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 |
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 |