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.