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
| Specifications: | |
|---|---|
| Model Number | DA-HY-SA21A-W2-868 |
| Working Principle | |
| Collection Type | Smoke |
| Sampling Period | 10s |
| 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 years |
| Operating Voltage | 3V CR123A lithium battery (replaceable) |
| Operating Current | Monitoring current: ≤ 35uA Alarm current: ≤ 35mA |
| Appearance | |
| Colour | White |
| Casing | ABS |
| Dimensions | φ98mm × H43.1mm (φ3.85" × H1.70") |
| Weight | 140 g (0.30lb) |
| 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 |
| Operating Ambient | |
| Operating Environment | Indoor |
| Operating Temperature | -10°C to +55°C (+14°F to +131°F) |
| Operating Humidity | ≤ 95% RH (non condensing) |
Through our logistic partners we are able to deliver to most areas in the UK on a next business day service.
Our standard cut off time on the website for standard next day delivery is 4pm but you will still be able to call our sales team anytime up to 4:30pm to place an order.
We also offer a premium next day pre 12pm and pre 10:30am service to these areas as well as a Saturday and Saturday pre 10:30am delivery. For areas outside of here, such as the Highlands, Isle of Man and Channel islands we are able to provide a 2 business day service.
For orders outside of the UK please call 0121 663 6151 to speak to a member of the team who will be able to assist you.
| Part Number | DA-HY-SA21A-W2-868 |
| Brand | Dahua |
| Range | Dahua AirShield |
Related products
-
Ajax EN54 Internal Battery (72h) � Backup Battery for Fire Hub & ReX – White (127878)
Login to see price Read more -
Ajax FireProtect 2 RB (CO) Jeweller, White (63212)
Login to see price Read more -
Ajax EN54 FireProtect (VAD) Jeweller � Wireless Visual Alarm Device – Black (118606)
Login to see price Read more -
Ajax EN54 FireProtect Sounder Jeweller � Wireless Fire Alarm Sounder – Red (118604)
Login to see price Read more
