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Physics > Pressure >

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Vacuum bell jar with bell

Art no 53838

What does space sound like? Test it out using a bell inside a vacuum bell jar.

47.50 EUR

(59.38 EUR incl. vat)

st	Delivery - immediate

Product description

What does space sound like?
Test it out using a bell inside a vacuum bell jar.

The vacuum bell jar comes with a bell which is connected to a 4-6 V power supply via the rubber bung supplied. Place the vacuum bell jar on a pump plate and extract the air using a vacuum pump.
Three classic demonstrations inside the vacuum bell jar:
- Sound the bell and listen.
- Insert a marshmallow and see it "change".
- Tie up a balloon (without blowing it up first) and place it under the jar.

Material: Plastic.
Dimensions: Inner diameter 14 cm. Height 30 cm.
Accessories: Pump plate (art.no: 53836) and vacuum pump (art.no: 53820) are ordered separately.

Vacuum pump, two-stage

Art no: 53820

Robust, two-stage vacuum pump giving particularly low closing pressure.

334 EUR

Pump plate

Art no: 53834

You can perform classic educational demonstrations using the pump plate, a vacuum bell jar and a vacuum pump.

72 EUR

Bell, reserve for Vacuum Tank

Art no: 53839

10.50 EUR

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