Introduction:
	The instrument is specially designed and manufactured based on petrochemical industry standard "Determination of asphalt component". It’s applicable for the determination of residual oil, petroleum asphalt four-component (saturates, aromatics, resin and asphaltene) in.
	   
	Technical parameters
	1. Input power supply: 220V ± 10% 50HZ
	2. Heating power: 2000W
	3. Control temperature: 50/100 ℃
	4. Temperature accuracy: ≤ ± 0.5 ℃
	5. Oil bath holes: 4 holes
	6. Test flask can be installed: 4
	7. Temperature sensor: Pt100 platinum resistance
	8. Chronograph range: 16 hours to 28 days
	9. Ambient temperature: about room temperature 25 ℃
	10. Relative humidity: <85% RH