Pascal's Law Apparatus -
for the quantitative measurement of ground pressure

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Description
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Application:₁
The Pascal's Law apparatus is used to demonstrate the hydrostatic paradox and allows for quantitative measurements of bottom pressure depending on the height of the liquid column.

Product Information:₁
The measurement system, Pascal's Law apparatus, consists of a metal base plate with a mounting bracket for an acrylic glass spout (with sealing rings and a rubber membrane) to hold the glass vessels. The liquid in the glass vessel exerts a force on the rubber membrane. The force is transmitted via a plunger from the membrane to the short lever arm of a two-arm lever. The force is magnified and displayed on a height-adjustable scale. A slot weight that can be moved along the long lever arm compensates for the force acting on the short lever arm.₁
Four differently shaped glass vessels with the same base area and height are available for experiments. A level indicator can be used to mark the fill height of the glass vessels.₁
A drain pipe at the back of the acrylic spout allows a hose to be connected for draining the liquid.

Specifications:₁

Height of the vessels:	220 mm
Tube diameter at the bottom:	22 mm
Total height:	350 mm
Base-plate area:	260 mm x 100 mm
Lever arm lengths:	20 mm, 175 mm
Drain pipe:	8 mm Ø
Mass of slotted weight:	20,4 g
Weight:	0,8 kg