Main features: 1)Can control the two heating zones individually with two instrument 2)Chamber veined with 12 sets of resistance wire, achieve uniform tem. field and longer constance zone. 3 Equipped with support frame for flange, reduce the load of tube body 4 Pneumatic spring for opening, which is safer for the operator. 5 Open type makes convenient for operation Technical Parameters Power Power rated: 5KW (208-240V) Voltage Voltage rated: AC208-240V 50/60HZ Working Temperature Max. Temperature: 1200 °C Continuous working temperature: 1100 Heating Rate: °C /min Temperature Controller PID automatic control and auto-tune function. 30 programmable segments for precise thermal processing. Built-in protection for the over-heated and broken thermocouple.  Length of heating zone 200+200mm Length of constant zone 100+100mm Heating Elements Resistance wire, Fe-Cr-Al Alloy doped by Mo Temperature Accuracy +/- 1 °C Processing tube High quartz tube:25/50/60/80/100*1000mm(optional) Tube blocks are included for blocking heat radiation generated from tube center. Must be fully inserted into the furnace chamber before heating at the correct position. ceramic or quartz blocks are optional Net Weight 40kg Dimensions 590*380*500mm(L*W*H without tube & flange) Vacuum Flange KF25 quick clamp flange Vacuum Pressure 10-1pa can be achieved by a mechanical pump 10-3 pa can be reached by molecular pump Compliance CE Certified