1200 ℃ Pit furnace shell structure: the double-shell structure furnace material: polycrystalline alumina fiber Power supply: 220V Rated power: 3KW furnace size: Φ240x230mm Operating temperature: continuous working temperature 1000 ℃ maximum temperature: 1200 ℃ (<1hour) heating rate: ≤20 ℃ / min Temperature control: 30 segments programmable intelligent control, heating and cooling can be set to 30-segment program temperature accuracy: ± 2 ℃ heating elements: resistance wire temperature components: K-type thermocouple Standard accessories: gloves, a pay high temperature thermocouple 1 Optional accessories: alumina crucible, quartz crucible, computer remote control software Dimensions: 480 × depth 450 × height 590mm width Equipment weight: 30KG Warranty: One year warranty period, except for related supplies, such as heating elements and other consumable parts Note: This box furnace useless vacuum seal structure, so we can not pass into the flammable gas; this box furnace after a period of time, there will be a tiny chamber crack, which is a normal phenomenon, does not affect the use, but can be repaired with aluminum oxide coating; not recommended through the corrosive gas, if you want to pass into the corrosive gases such as S, Na, please inform in advance, we will special treatment for the furnace.