The asphalt mixture of known weight after heating and stirring is placed in a high-temperature combustion chamber for combustion, and the asphalt smoke generated by the combustion is filtered and discharged. During the combustion process, the balance weighs the asphalt mixture in real time, calculates the weight lost by the combustion of the asphalt, and then calculates the percentage content of the asphalt and the percentage of oil stone in real time, and the test ends automatically.

The combustion method asphalt content tester consists of three main parts:

• Combustion equipment (combustion furnace body)
• Weight measuring equipment (electronic balance)
• Test measurement control and data processing part (single chip microcomputer system)

Composition of the combustion furnace: It consists of a combustion chamber, a heater, a smoke collection chamber and a blast exhaust part.