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
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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 ...
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Bell for demonstrating electro-magnetic operation of apparatus and verifying that sound waves 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 ...
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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
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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 ...
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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.
Volume: 9 l approx. ...
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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.
Length glass tube : approx. 750 mm
Diameter: 36 mm
Hose ...
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Vacuum hose, made of natural rubber according to DIN 12865. Color red.
Length: 1 m
Internal diameter: 8 mm
Wall strength: 5 mm
Temperature range: -30° up to + 85°
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Vacuum hose, made of natural rubber according to DIN 12865. Color red.
Length: 1 m
Internal diameter: 10 mm
Wall strength: 5 mm
Temperature range: -30° up to + 85°
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Vacuum hoses made of natural rubber according to DIN 12865. Colour red.
Length: 1 m
Internal diameter: 4 mm
Wall strength: 4 mm
Temperature range: -30° up to + 85°
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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 ...
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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.
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