Analysis of common problems in vacuum drying test chamber

1. The difference between the instrument reading of the vacuum drying oven and the reading of the glass rod thermometer in the vacuum chamber: General electric vacuum drying ovens use the method of heating the wall of the vacuum chamber first, and then radiant heating from the wall to the workpiece. In this way, the temperature sensor of the temperature control instrument can be arranged on the outside wall of the vacuum chamber. The sensor can simultaneously accept convection, conduction, and spoke ...

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