A:Product Introduction: DSHD-268 Carbon Residue Tester is designed according the national standard of People¡¯s Republic of China GB/T268 Test Method for Carbon Residue of Petroleum Products by Conradson Method. DSHD-268 Carbon Residue Tester is used to determine the amount of carbon residue of petroleum products after evaporation and pyrolysis, thus to check coke forming property of petroleum products.

 B: Main technical specifications and parameters:

1. Burner: a gas burner of Meker type

2. Porcelain crucible: low type, about 30 ml

3. Inner iron crucible: made of iron sheet, 75±5 ml, its surface is black

4. Outer iron crucible: made of iron sheet, 190±10 ml; it is with a cover and its surface is black

5. Tripod: made of iron. Its surface is plated with nickel and chromium,and it is polished. It is 250±10 mm high and its ring diameter is§¶130±5 mm

6. Round iron shield: it is made of iron plate, the thickness of which is 8 mm. the height of lower parts is 50mm¡«53 mm. The height of cone in the middle is 25±2 mm. There is a piece of Φ3 iron wire welded on the upper section of round tube. The iron wire is bent to a fire bridge of 50±3 mm in height, which is like a mouth. The fire bridge is black and is used as an indicator for the maximum height of the flame.
7. Flame shield: it is made by pressing a piece of 0.6¡«0.8 mm thickness iron plate. The diameter of upper opening of the middle hole is Φ90±2 mm, and the diameter of lower opening is Φ82±2 mm. It contains an asbestos pressure ring. The other type of flame shield contains three bending feet in the hole of flame shield to support the crucible.

C:More Carbon Residue Tester:

DSHD-268 Carbon Residue Tester (Conradson Method)

DSHD-17144 Carbon Residue Tester(Micro-method)

DSHD-30011 Carbon Residue Tester(Electric Furnace Method) 

Dshing Instrument Co.,Ltd

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