Introduction:

The smoke density tester for building materials was developed by Rohm and Haas Company for internal control. It was developed in accordance with the ASTM D2843 standard in the 1970s. Its theoretical basis is the adoption of Bill Lumber's law, namely The flame directly impacts the sample, and after the material burns to produce smoke, the smoke density value (SDR) can be judged by blocking the transmittance of the light. .

By detecting the loss of light transmission in test chamber, XP-2 Smoke Density Chamber Tester can measure smoke density from burning and decomposition of building material during test.

Features:

• The test chamber of Smoke Density Tester is Teflon coating, to resist the corrosion of smoke released during burning.

• Light source is incandescent lamp, the photoelectric sensor is silicon photodiode, which has cosine calibration function.

• Color filter is equipped to filter out ultraviolet light and infrared light.

• Gas pressure of main burner is 256KPA, it is subjected to flame impact on test specimen.

• Gas pressure of auxiliary burner is 138KPA, it can continue burn the molten droplets.

• The computer and test software are equipped with Smoke Density Chamber Tester.

Parameters:

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