Triple walled construction having inner 304 SS chamber & exterior of MS epoxy powder coated finish/ of SS. Glass door along the main door, magnetic gasket & lock .A perfectly designed cooling & heating system to operate any temperature from 10degree c to 60 degree c with temp. Accuracy : 1 degree C. Humidification through steam flow on circulation Humidity levels from 40% RH to 95% RH & Humidity Stability : +3% to - 3% Rh. The Microprocessor based PID controller, controls the temp. & Humidity at required set level. The controller is simple to set direct Humidity % RH &temperature on digital indication. A glass wiper on glass window for eliminating condensation. One Fluorescent Tube at inner chamber is provided for illumination. A perfect back side blower motor air circulation for uniformity of temp. & Humidity. On demand Software based Microprocessor programmable PID controller with Time proposnate with data logger & cyclic timer, Real clock Battery Back up & RAM memory 8K x 8 capacity printer & Pc interface controller with PT 100 Process Controller can be provided with the unit at Extra cost. Our technology of system is fully controlled, Easy to handle, user friendly, intelligent & Reliable. With some minor changes same chamber & technology can be incorporated to build Environment test chamber & plant growth test chamber.