Electrical Fire Protection Equipment | Wanlin Fire · Practical Product and Application Information
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Wanlin Fire - China source manufacturer for machine learning fire detection. Featured model WL-TH-SD (Photoelectric Smoke Detector): Photoelectric, 850 nm infrared scattering chamber; EN54-7 Class A2, alarm at 0.10-0.13 dB/m obscuration; Built-in 85 dB at 3 m sounder + NO/NC relay contact; -10 to +50 deg C, 0-95% RH (tropical humidity rated). Full lineup: sm···
Wanlin Fire - China source manufacturer for fire alarm trade show Thailand. Featured model WL-TH-SD (Photoelectric Smoke Detector): Dual-sensor: photoelectric + 57 deg C thermal backup; EN54-7 Class A3, alarm at 0.13-0.17 dB/m obscuration; Built-in 88 dB at 3 m sounder + NO/NC relay contact; -10 to +55 deg C, 0-95% RH (tropical humidity rated). Full lineup: ···
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