Density of Smoke from the Burning or Decomposition of Plastics，ASTM D2843 Smoke Density Test
Introduction
In a fire, people are often smoke suffocated or unable to escape because of the invisible road, so in the prevention of fires,smokedensity 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.
Standards
ASTM D2843 Smoke Density Test
Main 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 aftertest; 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 affectlighteffect.
Testing System
1. Imported siliconopto-electronicmodules, high stability linear output;built-insignal amplifier
2. 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 curvedisplay / historycurve and data display and query.
Specifications
1. The power 220VAC 3A 50Hz
2. Weight: 50kg
3. Gas: purity of more than 85% of commercial propane
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