DX8426 Smoke Density Chamber ASTM D2843 Building Materials Tester

DX8426 Smoke Density Chamber ASTM D2843 Building Materials Tester

The DX8426 Smoke Density Chamber is suitable for the determination of static smoke production during the combustion of building materials and their products, and can also be used for the determination of static smoke production during the combustion of other solid materials.

Standards

Testing apparatus for ASTM D2843.

Key Features

• Combustion chamber made of high-quality (t=1.2mm) 304 stainless steel plate, processed and formed by CNC machine tools, with a beautiful and large circular arc shape
• All internal components are made of 304 stainless steel material, which has excellent rust prevention performance
• Multiple standard filters are used when measuring the light source efficiency of the instrument
• Smoke density measurement range: 0~100%, accuracy: ±3%
• Automatic timing, automatic ignition and automatic smoke exhaust; the luminous flux can be automatically calibrated
• Equipped with computer control system and transmittance measurement software for curve reports, data saving and printing

Specifications

• Gas source: 95% propane gas, or gas of equivalent purity (provided by the customer)
• Combustion lamp: native lamp with a length of 260mm and a nozzle diameter of 0.13mm, forming a 45° angle with the smoke box
• Optoelectronic system: light source is a bulb with a power of 15W and a working voltage of 6V
• Receiver: silicon photovoltaic cell, with a transmittance of 0% indicating no light passing through, and 100% indicating completely unobstructed light
• Working pressure of main burner: 276KPa (adjustable); auxiliary burner pressure: 138KPa (adjustable)
• Combustion box size: L300 * W300 * H790 (mm)
• Power supply voltage: AC220V, 50Hz; maximum operating power: 0.7KW
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