I. Features: KJ-O1200-60-IC single-temperature vacuum furnace open type structure with double air-cooled, furnace surface temperature ≤60 ℃, furnace optional electrostatic spray, mirror stainless steel, furnace using high purity Alumina microcrystalline cellulose temperature vacuum forming, safe and reliable, simple operation, high precision, fast heating rate, effective insulation, high temperature range, the furnace temperature uniformity, temperature zone more, matching the atmosphere, pumping vacuum furnace, etc., according to customer requirements, different specifications customized tube furnace. Second, the specification parameters: sample size diameter 60x300mm Model KJ-O1200-50-IC KJ-O1200-60-IC KJ-O1200-80-IC KJ-O1200-100-IC tube specifications diameter: 50 × diameter: 44 × length: 1000 mm outer diameter: 60 × inner diameter: 54 × length: 1000 mm outer diameter: 80 × inner diameter: 74 × length: 1000 mm outer diameter: 100 × inner diameter: 94 × length: 1000 mm up to normal operating temperature 1100 ℃ Operating temperature 1200 ℃ temperature fuzzy PID control and self-tuning regulator Temperature control: 30 segments programmable automatic control over temperature and burnout alarm function Temperature Accuracy: ± 1 ℃ heating rate of 0 ~ 20 ℃ / min heating element resistance wire sealing system with a stainless steel tube sealed at both ends of the flange. (Including precision needle valve, vacuum gauge pointer, hose fittings) To obtain a high degree of vacuum, we recommend using stainless steel bellows connected to a vacuum gauge and digital bipolar rotary vane vacuum of a mechanical pump: 10 ^ -2 torr molecular pump unit: 10 ^ -5 torr leak rate <5 mtorr / min Operating voltage AC 220V 50 Hz single maximum power 2 KW temperature test element type K thermocouple Weight 70 Kg Optional corundum tube furnace tube, gas refining quartz tubes provide related accessories vacuum pumps, vacuum flange, vacuum gauge, plug brick