Recovery time after opening the door
At the highest test temperature and when the temperature has stabilised, the door of the oven is opened for 30 seconds and then the time is measured until the actual temperature in the middle of the working space remains permanently within the limit deviation specified in DIN 12880:2007-05.
Overview Glossary Temperature control chamber
Picture credit: Memmert GmbH + Co. KG

End of the recovery time (DIN 12880:2007-05)

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