描述
ARD2231-W2(915)
Dahua Wireless Dual-Tech Detector
ARD2231-W2(915) 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
Function
| Indicator Light | 1 × green alarm indicator |
|---|---|
| Button | 1 × power switch |
| Remote Update | Cloud update |
| Low Battery Detection | Yes |
| Tamper | Yes |
| Measuring Range (Temperature) | –15 °C to +65 °C (+5 °F to +149 °F) (indoor) |
| Measuring Accuracy | ± 1 °C (± 1.8 °F) |
Technical
| Sensor | Dual-element low-noise PIR sensor, microwave sensor |
|---|---|
| Detection Mode | PIR + Microwave |
| Sensitivity | 3 levels adjustable |
| Detection Range | 12 m (39.37 ft) (90°) with installation height of 2.2 m (7.21 ft) |
| Detection Speed | 0.3 m/s–3 m/s (0.98 ft/s–9.84 ft/s) |
| Microwave Frequency | 24 GHz |
| Pet Immunity Level | Weight: ≤18 kg (39.68 lb), Height: ＜50 cm (19.68 ft) |
| White Light Resistance Level | 2,000 lux |
| Two-way Digital Temperature Compensation | Yes |
| Test Mode | Yes |
| Operating Current | 3 VDC, 279 mA (max) 3 VDC, 36 uA (standby) |
Wireless
| Carrier Frequency | 915 MHz–928 MHz |
|---|---|
| Transmitter Power (EIRP) | Limit 1 W |
| Communication Mechanism | Two-way |
| Communication Distance | Up to 1,600 m (5,249.34 ft) in an open space |
| Encryption Mode | AES128 |
| Frequency Hopping | Yes |
General
| Power Supply | CR123A × 1 |
|---|---|
| Power Supply Type | Type C |
| Battery Life | Lasts for 3 years if alarms are triggered 10 times a day, with a battery capacity of 80%. |
| Power Consumption | 837 mW (max) 0.108 mW (standby) |
| Operating Temperature | Indoor: –10 °C to +55 °C (+14 °F to +131 °F) Certified temperature:–10°C to +40°C (+14°F to +104 °F) |
| Operating Humidity | 10%–90% (RH) |
| Product Dimensions | 104.0 mm × 60.0 mm × 50.0 mm (4.09" × 2.36" × 1.97") (L × W × H) |
| Net Weight | 106 g (0.23 lb) |
| Gross Weight | 184 g (0.41 lb) |
| Installation | Wall mount |
| Casing Material | PC + ABS |
| Anti-corrosion Level | Basic Protection *The products are designed for general use and are applicable even in areas with no specific requirements for anti-corrosion protection. |
| Packaging Dimensions | 135 mm × 98.5 mm × 56.8 mm (5.31" × 3.88" × 2.24") (L × W × H) |
