KSL-1700X-A2 is a benchtop muffle furnace up to 1700°C with fiber alumina insulation and MoSi2 heating elements. KSL-1200XHeating area is 200×200×200mm or 8" x 8" x 8". SPECIFICATIONS Furnace Structure 1800 grade fiber alumina with reflective coating - max energy-saving design Double-layer steel structure with an air cooling fan to keep the case temperature below 60°C Heating Chamber Chamber Size (W×D×H): 235×200×200 mm (9×8×8"), 9.4 L Heating Space (W×D×H): 200×200×200mm (8×8×8"), 8.4 L Uniform Space: ±5°C@1450°C 150×150×150mm (6×6×6"), 3.3 L Power 208-240VAC, 1 phase, 50/60Hz, 30A 5.2 KW 10-ft power cord without a plug Standard Working Temperature 1600°C, continuous Maximum Working Temperature 1700°C (< 3 hours) 1800°C at heating elements Heating Rate 0~20°C / min (suggestion