Vertical floor-standing autoclave, with fully automatic sterilization cycle and 55 litres sterilization chamber useful capacity. The outer frame is completely realized in stainless steel AISI304, the working vessel and lid is in stainless steel AISI 316 internally mechanically polished (mirror finishing). Hot air and exhausted steam are condensed and collected in a proper tank, avoiding leakage and bad odors into the environment. Sterilization cycle fully controlled by microprocessor with the possibility to program up to 20 different cycles. Temperature and sterilization time are settable from 101°C to 138°C for 1-99 minutes. Plotter included for printing the sterilizing cycle data as well as the temperature diagram.