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TIS 909-2548 fire equipment standard for Sri Lanka Buyers: S···
TIS 909-2548 fire equi···
2026-09-01
Wanlin Fire - China source manufacturer for TIS 909-2548 fire equipment standard. Featured model WL-TH-HD (Fixed & Rate-of-Rise Heat Detector): Fixed temperature A1S, 57 deg C single-point thermistor; EN54-5 Class A1S, alarm at 57 deg C rated 25% to -20%; Panel zone alarm + optional internal 85 dB sounder; -10 to +50 deg C, 0-95% RH (tropical humidity rated)···