描述
HY-GC21B-W2(868)
Wireless Carbon Monoxide Alarm
HY-GC21B-W2(868) 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 | Carbon Monoxide (CO) |
|---|---|
| Sensor Type | Electrochemical |
Alarm
| Alarm Type | CO alarm, fault warning, low battery warning |
|---|---|
| Alarm Volume | Over 85dB (A) at 3 m (9.84 ft) |
| Alarm Mode | Visual and audible alarm |
| Silence Function | Support |
| Silence Duration | About 45 seconds |
| Alarm Response Threshold | 50 ppm: 60 min–90 min 100 ppm: 10 min–40 min 300 ppm: |
Wireless
| Carrier Frequency | 868 MHz |
|---|---|
| Communication Distance | Up to 1000 m (3280.84 ft) in an open space |
| Frequency Hopping | Yes |
| Encryption Mode | AES128 |
Basic Parameters
| Display | LCD |
|---|---|
| Indicator Light | LED (red/yellow/green) |
| LED Instruction | Alarm: Red indicator Fault: Yellow indicator Power: Green indicator |
Power Supply
| Battery Life | 3 years |
|---|---|
| Power Source | 3V CR123A lithium battery (replaceable) |
| Operating Current | Monitoring Current: ≤20uA Alarm Current: ≤10mA |
Operating Ambient
| Operating Environment | Indoor use only |
|---|---|
| Operating Temperature | –10°C to +40°C (+14°F to +104°F) |
| Operating Humidity | ≤95% RH (non condensing) |
Appearance
| Color | White |
|---|---|
| Material | PC + ABS |
| Dimensions | 116.4 mm × 71.7 mm × 28.3 mm (4.58" × 2.82" × 1.11") |
| Weight | 125 g |
| Installation | Wall Mount |
Certification
| Certifications | TÜV and CE listed |
|---|---|
| Compliance Standard | EN 50291-1:2018, EN 50291-2:2019 |
