Dahua DHI-HY-SA21A-W2(868) AirShield Wireless Smoke Detector
Regular price
€68,95
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Product Description
Dahua Wireless Smoke Alarm offers battery-powered smoke detection and alarm functions in one unit. Advanced electronics combined with photoelectric smoke detection chamber ensure early detection of smoke and high immunity to false alarms. This kind of smoke detector does not need power supply and is suitable for general residential applications. Timely notification of smoke detector can be displayed in real time on DMSS APP.
Specifications
| Collection type | Smoke |
| Sampling period | 10 seconds |
| Sensor Type | Photoelectric |
| Alarm type | Smoke detector, 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/m2 - 0.3 dB/m2 |
| Indicator light | Red and green LED indicator |
| LED instructions | Standby: Green indicator flashes once per minute Alarm: Red indicator flashes once per second Error: Red indicator flashes once per minute Low battery warning: red indicator flashes once per minute |
| Coverage area | When the room height is less than 8 m (26.25 ft), the protection area of a device is 20 m 2 -40 m 2 |
| Battery life | 3 years |
| Operating voltage | 3V CR123A lithium battery (replaceable) |
| Business flow | Monitoring current: ≤ 35uA Alarm current: ≤ 35mA |
| Business environment | Inside |
| Operating temperature | -10°C to +55°C (+14°F to +131°F) |
| Operating humidity | ≤ 95% RH (non-condensing) |
| Colour | White |
| Housing | ABS |
| Dimensions | φ98mm × H43.1mm (φ3.85" × H1.70") |
| Weight | 140 grams (0.30 pounds) |
| Installation | Ceiling mounting |
| Certifications | TÜV and CE certified |
| Compliance standard | EN 14604:2005+AC:2008 |
| Carrier frequency | 868 MHz–868.3 MHz |
| Communication distance | Up to 1000 m (3280.84 ft) in open space |
| Communication mechanism | Two-way traffic |
| Frequency hopping | Yes |
| Encryption mode | AES128 |
