Inner chamber made of anodised aluminium or stainless steel 304 grade. The outer body made of heavy mild steel sheet, finished with white stove enamal paint. The door is of massive construction having glass window. The Humidity is controlled by imported humidistat from atomsphere to 95% with sensitivity of ± 3% fitted inside the chamber. Separate water tank has been provided in the cabinet. Heavy duty air circulation fan fitted at the top of the cabinet to give hot and wet air in the chamber through the duct conneted inside the chamber.
Temperature range 5⁰C above room temperature 5⁰C with an accuracy of ± 1⁰C temperature is controlled by thermostate or digital electronic controller cum indicator with indicator lamp and switch. The temperature is recorded with the thermometer fitted at the front of the cabinet.