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3B SCIENTIFIC® PHYSICS
Instruction sheet
07/05 MH
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The pressure balance is for experiments that clearly illus-
trate key concepts of force and pressure.
1. . . . . Safety instructions
• Risk of injury! The plungers and cylinders of the
pressure balance are made of glass. If the glass breaks
the shards can cause cuts. Glass components should
be checked to make sure they are in a safe condition
before performing any experiment. The plastic buff-
ers inside the two glass syringes prevent the plungers
U10355 Pressure balance
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Tray
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Carrier plate
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Large cylinder
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Stand rod
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Base plate
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Rod for weights
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Air inlet
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Connecting hose
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Small cylinder
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Safety cord
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Weights
colliding heavily with the glass and may not be re-
moved.
• The tray
on the large plunger may not be loaded
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with more than 500 g and that of the smaller cylinder
can take a maximum of 200 g.
• Risk of flying components! The small plunger
fastened by a safety cord
of the cylinder. You should check to see that the safety
cord is tightly fastened.
• Appropriate usage: The pressure balance should only
be used for demonstration or student experiments
that are supervised by a teacher.
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to prevent it flying out
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