The model is mainly used in biology,medicine,radio-immunity,chemistr y,petrochemistry,and clinic research.It is featured of different size and shape also ha high strength protection shell,and self-balance, overspeed, over-temperature protection,Refrigerate system and communication device are imported. Temperature range -5℃ -30℃ Temperature accuracy ±2℃ Timer range 0min-99min Noise <72dB Power 220V 50Hz Circcity Power 2.5kw Dimensions 610x650x845mm(LxWxH) Weight 150kg