Model SI-900R Capacity 223 L 216 L Temp. Working Range Amb - 10 'C ~ 60 'C Accuracy ± 0.1 'C at 38 'C Uniformity ± 0.5 'C at 38 'C Controller Digital PID Auto-tuning offset function for temp. control Sensor Pt 100 Shaking system Methode Vibration absorbing method rotation speed can be controlled by feed back system Amplitude 25(standard) 38 and 50mm Frequency / Accuracy 25 ~ 250 rpm orbital-shaking / ± 1 rpm Material Internal Stainless steel 0.8t External Steel 1.0t double painted & baked Platform Anodized duralumin #6061 4.0t Insulation Inflammable polystyrene form Door packing High temp. grade foamed silicone rubber Refrigerator - 1/4 Hp Permissible environmental condition Temperature 5'C to 40'C relative humidity 50% to 80% altitude up to 2000m Safety Hydraulic over temp. limit Over current glass fuse Key lock switch Door Double window supported by air-cylinder Drive system Brushless DC motor with feed back control Heater Fin type 900 W Size (WxDxH) Internal 869x596x430 mm 900x600x400 mm External 1100x700x1100 mm 1100x700x1100 mm Platform 755x481 mm Max. load 30 kg Weight(Net) 182 kg 200 kg