Building Materials Decomposition Smoke Density Testing Machine，The requirements of GB/T8627, ASTM D2843 and DIN4102 standards

I. Scope of Application
It is applicable to the determination of static smoke production during the combustion of building materials and their products, and can also be used for the static smoke production of other solid materials during combustion
Determination of quantity.
Ii. Compliance with Standards
The requirements of GB/T8627, ASTM D2843 and DIN4102 standards
Iii. Main Parameters
3.1 Gas source: Propane gas with a purity of ≥95%, or gas of equivalent purity;
3.3 Photoelectric system: The light source is a bulb with a power of 15W and a working voltage of 6V.
3.2 Combustion lamp: It is a Bunsen burner, with a length of 260mm, a nozzle diameter of 0.13mm, and a smoke box at a 45° Angle. 3.4 Exhaust System: This machine is equipped with a powerful exhaust fan, which can discharge the exhaust gas outdoors after the test. 3.5 Smoke density measurement range: 0 to 100%;
3.6 Accuracy of smoke density measurement: ±3%;
3.7 Receiver: It is a silicon photovoltaic cell, with a complete occlusion transmittance of 0% and an unobstructed transmittance of 100% (calibrated through a filter).
3.8 Receiving lens focal length: 60-65mm;
3.9 Main burner working pressure: 276KPa (adjustable);
3.10 Auxiliary burner pressure: 138KPa (adjustable);
3.11 The test starts with automatic timing, automatic ignition, and the luminous flux can be automatically corrected. Automatic smoke exhaust at the end of the test.
3.12 Computer-controlled, including a set of light transmittance measurement interface software, which can output curve reports, automatically save data and be printed.
3.13 Power supply voltage: AC220V±10%, 50Hz;
3.14 Maximum operating power: 0.5KW;
Equipment structure
4.1 This machine consists of three parts: the burning box, the electrical control box and the computer. 4.2 Combustion chamber dimensions: L300*W300*H790 (mm); 4.4 The combustion box is made of 304 stainless steel plate with a thickness of 1.2MM.
4.2 The rear of the electrical control box is equipped with an R232 computer interface, which can be operated directly through the panel or connected to a computer for operation. It is also equipped with a data printer.
4.3 Equipment dimensions: Length × width × height (800×500×900) mmi
4.4 Equipment weight: 35Kg.