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The oxide sensor is made up of an inert substrate material and two dielectric layers, one of which is sensitive to humidity. The moisture molecules pass through the pores on the surface and cause a change to the physical property of the layer beneath it. An aluminum oxide sensor has two metal layers that form the electrodes of a capacitor.
Before the oven is used, check to make sure that the oven is still in good working condition. All temperature sensing devices need be operational and should shut off the oven if temperatures exceed there limits. If the oven is not operational, it must be unplugged and labeled with the statement "Defective Equipment" on the surface of the oven. [3]
Vacuum drying is the mass transfer operation in which the moisture present in a substance, usually a wet solid, is removed by means of creating a vacuum.. In chemical processing industries like food processing, pharmacology, agriculture, and textiles, drying is an essential unit operation to remove moisture. [1]
Laundry hung on a clothes line in a drying room (dehumidifier in the background and duct for ventilation in the ceiling) Drying is a mass transfer process consisting of the removal of water or another solvent [1] by evaporation from a solid, semi-solid or liquid. This process is often used as a final production step before selling or packaging ...
Heating is by gas-fired heat exchanger; fully automated control system holds air temperature within 2°F. Industrial Zanolli double hearth deck oven (left) and Sveba-Dahlen rotary rack oven (right) Industrial ovens are heated chambers used for a variety of industrial applications, including drying, curing, or baking components, parts or final ...
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Compact datalogger used for the capture of thermal profiles from a reflow oven A graphical representation of the Process Window Index for a thermal profile. A thermal profile is a complex set of time-temperature data typically associated with the measurement of thermal temperatures in an oven (ex: reflow oven). The thermal profile is often ...