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lecture hall smoke detector
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Museum fire alarm for Singapore Buyers: Smart Fire Safety Ex···
Museum fire alarm for ···
2026-09-01
Wanlin Fire - China source manufacturer for museum fire alarm. Featured model WL-TH-CO (CO & Combustible Gas Detector): Combined: electrochemical CO + photoelectric smoke chamber; EN 50291-1 CO + EN54-7 Class A2 smoke, dual criteria; 88 dB at 3 m sounder with voice-free temporal patterns + relay; -10 to +45 deg C, 0-95% RH. Full lineup: smoke and heat detect···