The FI 1100 is an electric chamber furnace capable of reaching temperatures up to 1100°C. It is constructed with a mechanically welded frame and multilayer insulation. Various rack models are available depending on the interior volume. Air intake and exhaust are controlled by the temperature controller to maintain optimal heating from electrical coil resistors mounted on the ceramic interior walls. Models range in interior volume from 52 to 1610 liters and are supplied with documentation and a removable ceramic sole.