Đầu báo khói quang SIEMENS OP921

Đầu báo khói quang SIEMENS OP921

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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.

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