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data center smoke detector
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Construction site smoke detector for Bangladesh Buyers: Smar···
Construction site smok···
2026-09-01
Wanlin Fire - China source manufacturer for construction site smoke detector. Featured model WL-TH-SD (Photoelectric Smoke Detector): Photoelectric, low-current scattering chamber; EN54-7 Class A2, alarm at 0.11-0.14 dB/m obscuration; Built-in 85 dB at 3 m sounder + NO/NC relay contact; -10 to +50 deg C, 0-93% RH (tropical humidity rated). Full lineup: smoke···