Siemens VLF-250-01 Smoke Detector
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制造商：SIEMENS 类型：烟雾探测器 系列：VESDA 型号：VLF-250
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Manufacturer: SIEMENS
Type: Smoke Detector
Series: VESDA
Model: VLF-250
Application: very early warning smoke detector designed to protect small, business-critical environments of less than 250 m2 (2,690 sq. ft.)
Air Inlet Pipe: 25 mm,G ¾
Area Coverage: Up to 250 m2
Relay Outputs: 3 changeover relays
Ambient: 0°C to 39°C
Dimensions: 256 x 183 x 92 mm
Sensitivity Range: 0.001 dB/m to 0,909 dB/m
