描述
HY-SA21A-W2
Wireless Smoke Alarm
HY-SA21A-W2 屬大華防盜警報產品。傑成系統有限公司（香港防盜）為大華產品安裝商及經銷商，可提供供應、安裝、調試、保養及維修。方案可參考防盜系統。規格以原廠資料為準。
規格
Working Principle
| Collection Type | Smoke |
|---|---|
| Sampling Period | 10 s |
| Sensor Type | Photoelectric |
Alarm
| Alarm Type | Smoke alarm, fault warning, 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 (26.25 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 | φ98 mm × H43.1 mm (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 | 433.1 MHz–434.6 MHz |
|---|---|
| Communication Distance | Up to 1000 m (3280.84 ft) in an open space |
| Communication Mechanism | Two-way |
| Frequency Hopping | Yes |
| Encryption Mode | AES128 |
