Thermo Scientific Heraeus BBD6220 CO2 Incubator Technical Specifications Dimensions External dimensions (w x h x d) mm 920 x 855 x 775 inch 36 x 34 x 31 Internal dimensions (w x h x d) mm 607 x 669 x 585 inch 24 x 27 x 23 Total volume 220 Shelves Dimensions (w x d) mm 560 x 500 inch 22 x 20 No. of shelves standard / maximum number 3 / 12 Maximum area load / shelf kg / lbs 5 / 11 Maximum total load / unit kg / lbs 30 / 66 Weight (without accessories) kg / lbs 107 / 236 Access port Bottom left rear wall Ø mm / inch 20 / 0.8 Material Inner chamber and fittings stainless steel Start-up with auto-start routine Start-up time at set temp. of 37°C hrs approx. 4.5 Disinfection routine efficiency proven by an accredited laboratory Disinfection temperature on all surfaces areas °C / h 180 / 3 Total time hrs ~12 Efficiency spectrum bacteria, fungi, spores (USP 23), Temperature control Measuring and control range °C TA1 + 5 … 50 Temperature deviation (time) 2 K ± 0.1 Temperature deviation at 37°C (spatial) 2 K ± 0.5 Heating up time with auto-start to 37°C (Ambient temperature 22°C, empty unit) hrs approx. 4.5 Ambient temperature range °C 18 … 30 Recovery time 3 min ≤ 3 Humidity control external water reservoir Measuring principle capacitive humidity control 180°C hot air disinfection Setting range % RH 60 … 95 Setting accuracy % RH ± 1 Recovery time at 95% rH3 min ≤ 9 CO2 control Measuring principle thermal conductivity device with auto-start and auto-zero function, 180°C hot air disinfection Measuring and control range Vol-% 0 … 20 Operating accuracy Vol-% 0,1 Recovery time at 5% CO23 min ≤ 2 (max. 1.4%/min) O2 control Measuring principle zirconium oxide sensor with auto-cal function, 180°C hot air disinfection Control range Vol-% 3 … 90 (3 ... 21% with N2-gassing, 21 ... 90% with O2-gassing) Control accuracy Vol-% ± 0.5 Recovery time at 7% O23 min ≤ 15