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Gravity Convection Ovens
Gravity convection ovens provide a low-cost alternative to mechanical convection ovens when temperature uniformity is not essential to the process. Ideal for applications in which a powder or substance that needs to be heated or dried could be disturbed by a fan-generated airflow.
Mechanical Convection Ovens
Mechanical convection ovens utilize a motorized fan to force air across heating elements and into the warming chamber. The fan allows for a more consistent distribution of air and is designed for applications in which good temperature uniformity or faster heat up/drying time are needed.
Vacuum ovens are used when lack of atmosphere or inert atmosphere is desired. Because heating must occur in a vacuum, where there is no convection of air, it is accomplished by placing the sample on the shelving in the unit so heat is conducted from the side walls to the sample via the metal shelf. These units require a separate vacuum pump. Applications include vacuum drying, desiccating, embedding, outgassing, plating, and quality control.