GB 20517 China standalone smoke detector standard direct from Wanlin Fire Protection — 12-year factory experience, WL-ST900 smoke detector tester certified CE/UL 268A/EN 54/NFPA 72/BS 5839/AS 1851. Key specs: Complete Test Kit: Smoke Tester + Heat Tester + Sensitivity Meter + Telescoping Wand + Multi-Brand Adapters + Cloud Platform, Bluetooth + WiFi + Cloud···
Source high-quality tech support heat tester from Wanlin Fire Protection, China manufacturer. Global export, OEM/ODM services, competitive prices for wholesale buyers and distributors.