VACUUM

Vacuum Bell Jar made of several mm-thick glass with grip knob and polished flange. The Bell is intended for use with the Vacuum Experiment Plate (U21850). Specifications: Inner diameter: 190 mm Total height: 220 mm more

Beam balance on base with suspended polystyrene ball and adjustable counterweight for demonstrating buoyancy on a body due to atmospheric pressure. At a state of equilibrium a Baroscope is placed in a vacuum bell jar under atmospheric pressure ... more

Bell for demonstrating electro-magnetic operation of apparatus and verifying that sound waves do not propagate in a fine vacuum (< 1 hPa). Open acrylic housing with 4-mm safety sockets. Power supply: 6 V AC Dimensions: 100x95x50 mm³ ... more

Inexpensive, transparent plastic vacuum chamber for basic experiments with low pressure. Hand pump integrated into base plate, bleed valve and manometer for measuring pressure down to 330 hPa. Dimensions: 200 mm diam. x 250 mm more

To demonstrate Von Guericke’s historical experiment on the effect of atmospheric air pressure. Two plastic hemispheres equipped with handles can be joined vacuum-tight using the insertable rubber sealing ring. One hemisphere is equipped with ... more

Inexpensive vacuum recipient made of transparent acrylic for experiments in coarse and fine vacuums. Comprises a base and vacuum cylinder with venting valve, manometer, inlet tap, entrance for contacts and rubber ring. In addition, an adapter ... more

This glass tube can be evacuated to compare the free falling characteristics of different objects in a vacuum. Duck feathers and plastic parts are included as falling objects. Specifications:11 more

Experiment plate for the assembly of a vacuum chamber in conjunction with the Vacuum Bell Jar (U218511) for exploration of physical phenomena in vacuum. The metal plate has a sealing ring, is mounted on a tripod, has a hose connection on ... more

Experiment topics: Determining the mass of evacuated air and its density. Effect of air pressure on a partially inflated balloon and miniature bellows. Reduction in the boiling point of liquids at reduced air pressure. ... more