Building Material Smoke Density Tester Model: QS-Z801 Instrument Use This tester is suitable for the determination of static smoke production of building materials and their products and other materials. Product Features 1. The instrument is controlled by computer. It consists of combustion system, photoelectric system and display printing system. 2. The computer automatically records three parallel tests. The smoke density value measured every 15s is averaged and the value is collected. Make the integral curve of smoke density and test time, and print out the test report. 3. Automatic timing, auto-ignition, automatic smoke extraction 4. Maximum smoke density (MSD) and smoke density level (SDR) for the test piece: 0- 100% continuous measurable, automatic calculation and printing test results 5. Calibration error with standard light gauge is not more than 3%6, Bunsen burner applies flame to sample for 4min Technical index 1, Smoke density value Measurement range: 0-100% 2, calibration filter specifications: 30%, 50%, 70% or so a total of three 3, measurement accuracy ≤ 3% (absolute value) 4, power supply voltage: AC220V ± 10%, 50Hz; 5, maximum use power: 0.5 KW; 6, smoke density measurement accuracy: ± 3%; 7, combustion gas source: > 95% propane gas; 8, main burner working pressure: 276KPa (adjustable); 9, auxiliary burner pressure: 138KPa (can Adjust); 10, Bunsen burner nozzle diameter 0.13mm, working inclination 45o; Together Standard: GB / T8627-2007 "smoke density test method supplies combustion or decomposition"
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