Outer made of M. S sheet powder coated & inner chamber is made of thick S. Ssheet. The gap between two walls is fitted with high grade glass wool. The glass window makes it possible to inspect specimen without disturbing inner temperature. The unit has a temp. Range from ambient to 60c. Temperature is controlled by dual display microprocessor PID Digital temperature indicator cum controller with an accuracy of +-0.5c. Air circulation fan is provided to maintain stability throughout. Speed of shaker is variable from 30 RPM to 250 RPM. The tray of the shaker is also made of S.S sheet with lotus type Clamps to hold flasks. Unit is Fitted with digital RPM meter, 999 min digital time.