Suitable for carrying out different quality controls test sunder controlled conditions of temperature and humidity.Inner chamber consists of S.S. and outer wall of M.S. Sheet duly painted. The gap of 75 mm between the outer and inner wall is filled with special grade glass wool to prevent thermal losses. A self cooled air circulation fan is fitted to maintain uniform temperature and humidity condition throughout the chamber temp: range from 5C above ambient to 60C is controlled by DIGITAL TEMP: CONTROLLER with accuracy of +/- 1C .HUMIDISTAT,thus controlling the desired set humidity range from atmospheric humidity to95% +/- 3% RH.