DSHD-508 Ash Content Tester

A:Product Introduction:
　DSHD-508 Ash Content Tester is designed and made as per the national standard of People's Republic of China GBT508 Test Method for Ash Content of Petroleum Products.
The function of DSHD-508 Ash Content Tester is to determine ash content in the petroleum products as per GBT508. It could not be used to determine ash content in the petroleum products containing ash-forming additives (including additives containing certain phosphorus compounds), lubricating oils containing lead and used engine crankcase oils.
B: Main technical specifications and parameters:
(1)Resistance furnace
1. Rated power: 2.5 kW
2. Power supply: AC220V±10%, 50 Hz
3. Heating range: ambient temperature-1000°C
4. Controlling temperature: 775±25°C
5. Temperature controlling device: thermocouple
6. Temperature rising time: no more than 60 min
7. Furnace temperature uniformity: no more than 15°C
8. Ambient temperature: 5°C-40°C
9. Relative humidity: no more than 80%
10. Furnace chamber size (mm): 200mm×120mm×80mm (L×W×H)
(2)Heating plate
1. Power supply: AC220V±10%, 50Hz
2. Rated power: 2.5 kW
3. Heating mode: by three groups of heater. The power of each group is 0.8 kW. They can be used separately or at the same time.
4. Height above sea level at working site: not higher than 1000 meter
5. Ambient temperature: 5°C-40°C;
6. Relative humidity: no more than 80%
7. Plate size: 450mm×350 mm
(3)Ceramic crucible
Size: 50 ml, 100 ml