smoke detector technical documentation

Wanlin Fire - China source manufacturer for bakery fire 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 and heat de···

Wanlin Fire - China source manufacturer for smoke detector technical documentation. 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:···

Wanlin Fire Control — China's leading source manufacturer of hotel fire protection market. UL, FM, CE, EN certified smart fire safety products. 10-year battery, AI false alarm reduction, IoT connectivity, OEM/ODM. Contact +8613261677119.