Thermo Scientific Heracell VIOS 160i/250i Double Stack CO2 Incubators

Chamber volume 5.8 cu.ft. (165L) 9 cu.ft. (255 L)
Chamber material Electropolished stainless steel Electropolished stainless steel
Temperature control ±0.1°C ±0.1°C
Temperature range 3°C above ambient to 55°C 3°C above ambient to 55°C
Temperature uniformity < ±0.3°C < ±0.3°C
Temperature ambient range 18°C to 34°C 18°C to 34°C
Temperature tracking alarm ±1°C ±1°C
Sterilization cycle 180°C on all internal surface (duration under 12 hrs) 180°C on all internal surface (duration under 12 hrs)
Relative humidity >_93% @ 37°C >_93% @ 37°C
Humidity reservoir max. 3L / min 0.5L max. 3L / min 0.5L
CO2 sensor technology TC sensor TC sensor
CO2 control ±0.1% ±0.1%
CO2 range 1-20% 1-20%
CO2 tracking alarm ±1% ±1%
CO2 inlet pressure 12-15 PSI (0.8-1.0 bar) 12-15 PSI (0.8-1.0 bar)
CO2 gas purity min. 99.5 or medical quality min. 99.5 or medical quality
CO2 inlet ⅛” hose (barbed) ⅛” hose (barbed)
Shelves dimensions 16.7 x 18.3 in (423 x 465 mm) 22.05 x 19.68 in (560 x 500 mm)
Shelves number standard/max 3/10 3/12
Max. load per shelf/total load 22/66 lbs (10/30 kg) 10/30 kg (CU models), 14/42 kg(SST models)
Data outputs USB, and optional 4-20mA USB, and optional 4-20mA
Power rating 120V, 50/60Hz, 8.3A 120V, 50/60Hz, 10.4A
Power consumption 1.0kW 1.25kW
Interior dimensions (unstacked) (W x D x H) 18.5 x 22.7 x 23.9 in (47 x 57.6 x 60.7 cm) 23.9 x 24.8 x 26.4 in (60.7 x 62.9 x 67 cm)
Exterior dimensions (unstacked) (W x D x H) 25.1 x 34.6 x 35.4 in (63.7 x 88 x 90 cm) 30.5 x 36.8 x 38.1 in (77.5 x 93.5 x 96.8 cm)
Weight 183 lb (83 kg) 215 lb (97.5 kg)