Product Name: Smoke Density Test Machine for Building Material, ASTM D2843 (FTech-ASTMD2843) Model NO.: FTech-ASTMD2843 Power Source: AC220V Weight: 0-100Kg Control: Computer Control Display: Touch Screen Type: Material Testing Machine Standard: Astmd2843 Trademark: TESTech Transport Package: Wooden Package Origin: China HS Code: 90318090 Product Description Products:In a fire, people are often smoke suffocated or unable to escape because of the invisible road, so in the prevention of fires, smoke density of the test material is essential.This machine conforms to the national standard ASTM D2843 specification and requirements, can be used to measure and describe materials, products, components, response to heat and flame under controlled laboratory conditions, measurement of construction materials in combustion or decomposition of the experimental conditions of static yield cigarettes.Model: FTech-ASTMD2843Standards:ASTM D2843 Smoke Density TestMain Features:1, The test chamber is painted, beautiful, durable anti-corrosion;2, Transparent glass doors for easy observation of the test;3, Stainless steel sample holder and sample templates;4, The light absorption rate: 0-100% can be measured continuously. Smoke density resolution 0.1%;5, The smoke density measurement accuracy: ± 3%;6, With the main burner and pilot burner.7, Equipped with exhaust fan, exhaust the smoke after test; exhaust volume 1700L/min;8, 300mm optical path. 480mm height distance above the base;9, The optical glass is easy to clean and keep clean translucent glass to avoid soot particles adhered to affect light effect.Testing System1, imported silicon opto-electronic modules, high stability linear output; built-in signal amplifier2, Data acquisition, real-time recording transmittance signal; data collection interval 1s;Computer & Labview test program dedicated control program:1, Automatic timing, automatic ignition, automatic smoke; flux can be automatically corrected;2, Compute and Labview data acquisition, computing, storage,3, Labview test special control procedures; more beautiful interface and easy to understand;4, Real-time data and the smoke density curve display / history curve and data display and query.Specifications:1, The power 220VAC 3A 50Hz2, Weight: 50kg3. Gas: purity of more than 85% of commercial propane