Đầu Báo Khói Quang Siemenop921

Đầu báo khói quang SIEMENS OP921

Thông số kỹ thuật

Model OP921

Air Velocity 0 - 4,000 feet-per-minute (fpm)
(0 - 20 meters-per-second)
Input Voltage Range 16VDC – 30VDC

Operating Temperature +32°- +120°F (0° - +49°C)
Relative Humidity 0 - 95% (non-condensing)
'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.)
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