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Equipment Function：
The smoke alarm test tunnel was designed for sensitivity test of Smoke alarm or Heat detector according to GB 20517、GB4715、EN 14604、EN 54-7 and ISO standards. It consist of test tunnel，aerosol generator, obscuration sensor, heat element, controller and computer. The obscuration meter was made of high quality imported part to ensure precision and stable reading. The Zomtest Smoke Test Tunnel Software in English was designed by our software expert specifically to meet the standards test requirements.
Specification ：
1． Model：ZNEN14604-1
2． Power：220V AC 1KW
3． Standards：EN14604,EN54-7, GB20517, GB4715
4． Aerosol generator：Liquid paraffin , particle size distribution between 0.5µm~1.0µm，
5． Optical smoke densitometer: transmitted light, wavelength 880nm~950nm, range: 0~2 dB/m,
6． Test tunnel size: 2.1m x 0.5mx 1.1m.
7． Test section size is 430mm x 270mm
8． Wind speed: DC motor speed regulation, software setting speed, from 0 – 1.2 m/s
9． Smoke rising rate: preset 0.005dB/m, can be set in the software
Test Items：
Smoke alarm and smoke detector
1． Initial sensitivity
2． Directional dependence
3． Air movement
4． Repeatability
5． Dry heat t
6． Dazzling (small size lamps: 22W diameter 250mm )
7. Other sensitivity test
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