Đầu báo khói quang SIEMENS OP921
- The Photoelectric Smoke Detector (Model OP921) uses state-of-the-art microcontroller circuitry and surface-mount technology for maximum reliability. Model OP921 incorporates an optical sensor using a light-scattering detection principle. The device utilizes advanced software algorithms to analyze the signals, and provides highly stable and accurate smoke detection.
- Model OP921 also uses state-of-the-art microprocessor circuitry with error check; detector self-diagnostics, and supervision programs.
Thông số kỹ thuật
| Model | OP921 |
| Operating Temperature | +32°- +120°F (0° - +49°C) |
| Relative Humidity | 0 - 95% (non-condensing) |
| Air Velocity | 0 - 4,000 feet-per-minute (fpm) (0 - 20 meters-per-second) |
| Input Voltage Range | 16VDC – 30VDC |
| 'Alarm' Current, Max | 410μA |
| 'Standby' Current, Max | 250μA |
| Detector Weight | 0.317 Lbs. (0.144 kg.) |
| Mechanical Protection Guard | UL and ULC Listed (with STI Guard Model STI-9604) |
| Sensitivity Range | 1.08 - 2.72% / ft obs. (Nominal 2.0% / ft. obs.) |
- Xuất xứ: Trung Quốc.
- Bảo hành: 12 tháng.
