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Fundamental of Laboratory Hot Air Oven


laboratory-hot-air-oven-01Laboratory hot air ovens are used in the research centers and laboratories to test or treat the glassware and chemicals at a temperature up to 250oC. Hot Air Ovens are not limited to labs for treating chemicals; it finds wide application in manufacturing industries, research institutions, research and development centers of production industries, hospitals, to fulfill the purpose of heating, sterilizing and drying.

The main frame body or external body of this device are constructed using mild steel and strong, seamless welding and covering with a thick bright chrome or zinc plating to protect the device from being corroded in adverse environmental conditions. These specifications of oven provide a strong and heat resistant surface for a long lasting and attractive finish of the testing device. To design high-quality of ovens, manufacturers follow the instructions of standards that are introduced by standardization authorities.

Working Principle of Laboratory Hot Air Oven

The double wall chamber of the device is filled with glass wool that helps to prevent heat loss so that the chamber can reach the temperature up to 250 degree Celsius easily. The hot air ovens work on the principle of forced circulation of hot air inside the chamber. It is a universal fact that in any chamber the temperatures rises up to the top of the chamber and then circulates back to the bottom, similarly in hot air ovens, hot air rotates throughout the chamber evenly with the help of blower fans for maintaining an even temperature throughout the chamber.