Circulation method: Forced air circulation and ventilation Operating temp. range: RT+15~260℃ Max. temp. reaching time: Approx. 40 min (at 260℃) Temp. adjustment accuracy: ±0.2℃(at260℃) JTM K05 Temp. distribution accuracy: ±2.0℃(at260℃)JTM K05 Internal dimentions(WxDxH): 620 x 750 x 900mm External dimentions(WxDxH): 770 x 965 x 1580mm Internal capacity: Approx. 418L No. of steps/pitch: 27 steps/30mm Power supply: AC220V 50/60Hz single phase 21A (plug is not included) Weight: Approx. 175 kg Accessories: Stainless shelf x 2, Shelf bracket x 4, Manual