Quick Answer: The Expansion Of Perfect Gas apparatus has two interconnected, transparent and rigid vessels on a frame, one for operation under pressure and the other under vacuum. An electrical air pump, valves and tappings pressurise and evacuate the vessels.
Last updated: October 2026
Key Features
Two frame-mounted, interconnected transparent rigid vessels
One vessel works under pressure, the other under vacuum
Electrical air pump with valves and tappings
Vessels can be used on their own or together for different thermodynamic processes
Integrated data acquisition for real-time capture, display, calculation and charting on a computer
Technical Specifications
Specification
Value
Vessels
Two, transparent and rigid, interconnected, frame mounted
Operation
One under pressure, one under vacuum
Pump
Electrical air pump with valves and tappings
Data
Integrated data acquisition to a computer
About This Product
The apparatus is used to study how a gas behaves as it expands or is compressed between the two vessels, giving students results to compare with the perfect gas laws. Readings are captured and charted on a computer as the processes run.