Scope This instrument was designed and manufactured in accordance with the standards GB/T 2433 and ASTM D874. But this instrument does not apply containing raw ash additive (including certain phosphorus containing compound additives) of petroleum products, and leaded lubricating oil and the used engine crankcase oil. Features 1, integrated design, easy operation and maintenance 2, temperature control system with PID temperature control, temperature control and high precision, stable 3, using ceramic fiber materials, better insulation Technical Parameters 1 Power supply: AC220V ± 10%; 50Hz 2, electric (heating plate) heating power: 2400W 3, high-temperature furnace (box furnace): heating temperature of 775 ± 25 ?, rated power 2500W 4, heating control: manual control switch 5, the porcelain crucible: 50ml, 100ml