Main technical parameters and indicators 1. Working power supply: AC (220 ± 10%) V, 50Hz; 2. Overall power consumption: ≤ 650W; 3. Heating device: (1) The furnace body is made of silicon carbide material, with a power of 600W electric heating wire; (2) The heating power is adjustable from (0-600) W; 4. Heating method: manual adjustment; 5. Mixing method: mechanical transmission mixing; 6. Mixing speed: (1) (90-120) r/min, applicable to test step A; (2) (250 ± 10) r/min, applicable to Test Step B; 7. Standard oil cup: (1) Inner diameter: (50.7-50.8) mm; (2) Depth: (55.7-56.0) mm; (3) Depth of oil testing capacity marking: (33.9-34.3) mm; (4) Oil testing capacity: approximately 70ml; 8. Ignition gas source: pipeline gas or liquefied petroleum gas; 9. Thermometer: rod mercury thermometer (1) Temperature range: (-5~110) ℃, graduation 0.5 ℃; (2) Temperature range: (20~150) ℃, graduation 1.0 ℃; (3) Temperature range: (90~370) ℃, graduation 2 ℃; 10. Applicable environment: temperature (15-35) ℃, relative humidity: ≤ 85%; 11. Boundary dimension: 370mm × 320mm × 300mm (length × wide × High); 12. Net weight of the instrument: 7kg.