Chamber Volume (L) : 419Ltr Internal Dimension (WXDXH) MM: 748X800X700 Temp range without Humidity : -5 to 100℃ Temp range with humidity : 10 to 90℃ Fluctuation1) (±℃) : at 40℃/60%RH : 0.3 Heating Time: 50min -5 to 100℃ Cooling Time : 120min 100 to -5℃ Humidity Range (%RH): 10 to 95 Fluctuation2) (±%RH) at 60%RH/40℃ : 2 Refrigeration system: aircooled Refrigerant : R-507A Water tank capacity : 15Ltr Water Quality required: pH6.2 ~ 7.2, Electrical conductivity 20㎲ / cm to below No. of wire shelves (standard / max.) : 2/8 Distance of between shelves (mm) : 60MM Max. load per shelf: 25Kg Permitted total load : 65Kg Power : AC230V, 1ph, 60Hz , 13.9A