Quick Answer: The Plate for Bell Jar is a flat base plate with a sealing surface on which a bell jar is seated for vacuum and air pressure experiments. With a suitable bell jar and vacuum pump it forms an enclosed chamber.
Last updated: October 2026
Key Features
Flat, stable base with a sealing surface for a bell jar
Forms an enclosed chamber for vacuum and air pressure demonstrations
Used with a suitable bell jar, vacuum pump and tubing
Smooth finish that is easy to clean
Technical Specifications
Specification
Value
Application
Base plate for bell jar vacuum experiments
Main function
Stable support and sealing surface for bell jar
Design
Flat, stable base with sealing surface
Operation
Manual setup with bell jar and vacuum source
About This Product
Teachers use the plate under a bell jar to show atmospheric pressure, sound in a vacuum, boiling under reduced pressure and gas behaviour. Vacuum grease or a sealing ring on the rim improves the seal, and the vacuum is released slowly before the jar is lifted.
