Application: It is applicable for the sterilization of unpacked solid instrument in department of stomatology, ophthalmology, operation room and CSSD. Features: 1. Sterilizing programs for fabric, instrument, rubber and liquid. 2. Equipped with printer to print date, time and process parameters. 3. Build-in efficient steam generator, microcomputer temperature control. 4. Perfect four-level authority management system to avoid mis-operation. 5. The positive pressure air-exhaust system to exhaust the cold air from chamber. 6. Post-dying function makes the residual humidity of sterilized articles less than 3%. 7. Touch screen display of temperature, pressure, time, running status and failure warning. 8. Over-heat auto protection device, dual door safety lock device, over-pressure relief valve, short-circuit protection and over-pressure protection.