The instrument is designed and made as per the National Standard of People¡¯ Republic of China GB/T380 ¡°Test Methods for Sulfur Content of Petroleum Products (Lamp Methods)¡±. It is suitable to determine the sulfur content of light petroleum products (gasoline, and kerosene, etc) whose vapor pressure is not more than 600 mmHg as per the GB/T380 standard. Main technical specification and parameters 1. Power supply: AC 220 V ¡À 10%, 50 Hz 2. Quantity of the sample: take five groups independently, can do test for each group independently. 3. Electromagnet pump: Five independent groups of main electromagnet, The vacuum pressure of each group can be adjusted independently. 4. Vacuum magnetism adjustment: stepless regulation by a potentiometer 5. Lamp adjustment: it can be adjusted up and downs. The adjustment range should not less than 15 mm; 6. Materials: the workbench and test tube holder are made of stainless steel. 7. Test tube holder: Each holder can be adjusted independently. Its adjustment range is not less than 20 mm. 8. Ambient temperature: -10 ¡æ¡« 40 ¡æ 9. Relative temperature: ¡Ü 85% 10. Total power consumption: not more than 150 W