Basically it is required for pre heat treatment of fruits (mango etc.,). It is generally used in between 47°C to 52°C. Double walled, Inner made of Stainless Steel, outer made of heavy duty Mild Steel duly powder coated. Properly insulated. Heating elements are tubular type, made of Copper duly Nickle plated. Covered with perforated S.S.tray. Temperature Range is from ambient to 70°C controlled by digital temperature indicator cum controller with an accuracy of ±1°C. Provided with water pump for circulation of water to maintain the uniformity of temperature in the chamber. Mounted on castor wheels. Lid is also made of thick stainless steel. Provided with On/Off switch, indicator, cord plug, etc. Suitable to work on 220 V single phase 50 Hz AC. 

Size ( Dia & Depth) : 6ft. x 3ft. x 3 ft. 
--do-- same as above but with inner outer, lid made of Stainless Steel