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Kinetic Theory Apparatus Manufacturer,Supplier and Exporter

Kinetic Theory Apparatus

Product Code : SEL-PLE-10190

Quick Answer: Tiny 3 mm metal spheres, kept in random motion by a motor-driven piston inside a clear perspex tube, model the behaviour of gas molecules in this Kinetic Theory Apparatus, with four cardboard loading discs to vary the load.

Last updated: October 2026

Key Features

  • Clear perspex tube with a light, freely sliding expanded polystyrene piston and loose-fitting metal cap
  • Low-voltage DC motor in the housing, coupled to a crank-driven agitator
  • Agitator push rod carries a light plastic piston that oscillates in the lower end of the tube
  • Tube mounted on the housing by a bayonet-type fitting in a cap
  • Supplied with 3 mm diameter metal spheres and four cardboard loading discs

Technical Specifications

SpecificationValue
TubeClear perspex
Upper pistonExpanded polystyrene, freely sliding
DriveLow-voltage DC motor with crank-driven agitator
Lower pistonLight plastic, oscillating
MountingBayonet-type fitting
Accessories3 mm metal spheres, four cardboard loading discs

About This Product

When the motor runs, the lower piston throws the spheres about like molecules in a gas, and their impacts hold the polystyrene piston up against gravity. Placing the cardboard loading discs on the piston increases the load the moving spheres must support, so students can see the model gas respond to a change in pressure. The clear perspex tube keeps the motion visible throughout.

Frequently Asked Questions

What drives the spheres in the Kinetic Theory Apparatus?

A low-voltage DC motor in the housing is coupled to a crank-driven agitator, whose push rod carries a light plastic piston that oscillates in the lower end of the perspex tube.

What accessories are supplied?

The apparatus is supplied complete with 3 mm diameter metal spheres and four cardboard loading discs.

Related: Physics Lab Equipment, Charles Law Apparatus (Combined), Gas Law Apparatus Advanced, Boyles Law Apparatus Syringe Type.

For a quotation on the Kinetic Theory Apparatus, contact School Educational Instrument.

   
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