Features 1. High quality Ni-Cr-Al resistance wire as heating element. Max. temperature can reach 1200 , 2. High purity quartz liner: 8" ( O.D.) x 7.5" ( I.D) x 13.4" ( Height) ( 205x190x 340mm) , 3. Effective heated chamber: 7.5" ( Dia) x 8.5" ( H) , ( 7.6 Liter) , 4. Stainless steel vacuum flange with two ball valves and vacuum gauge is included for immediate use, 5. Power control with 30 segments programmable, 6. All accessories are included for immediate use, 1) One piece of refractory disk which shall be put into the top of inside quartz liner to protect stainless steel from heat damage, 2) One high temperature gloves using can be used < 900 . Descriptions Heating Chamber Size ( DxH) 190x220mm ( 7.5â x8.5â ) Quartz Tube size 205x190x340mm 8" ( O.D.) x 7.5" ( I.D) x 13.4" ( Height) Working Temperature 100-1200 ( 1200 ,