Lab Furnace 1200C 23L 208/240V 60 Hz Convection Type / Natural Gravity Temp. Range (C) / 1200 Degrees Temp. Range (F) / 2192 Degrees Overall Height / 27.75 in Overall Width / 20 in Overall Depth / 26.5 in Chamber Height / 705 in Chamber Width / 19.88 in Chamber Depth / 26.57 in Hz / 60 Voltage / 220-240 Watts / 1, 700 W Capacity (Cu.-Ft.) / 0.812 Capacity (ML) / 23,000 Temp. Uniformity / +/-5 Degrees C Preheat Time / 45 min Chamber Material / Refratory Ceramic Door Material / Refratory Ceramic Housing Material / Zinc Plated Mild Steel Number of Doors / 1