PASCAL'S APPARATUS - Microteknik

PASCAL’S APPARATUS

Pascal’s Apparatus: MTFM-34

This apparatus is designed to demonstrate Pascal’s principle consists of a machined body incorporating a horizontal flexible diaphragm to which one of three alternative glass vessels can be fitted. The diameter at the base of each vessel is common but the shape of each vessel varies; one-parallel sided, one conical and one tapering inward.
The diaphragm located at the base of the vessel, conveys the force from the water inside the vessel to a lever arm with a sliding counter weight. A spirit level indicates when the lever arm is horizontal and therefore balancing the force/pressure at the base of the vessel.
The force on the diaphragm depends on the depth of water above the diaphragm and the area of the diaphragm that is constant for all three vessels. A height-adjustable pointer enables each of the vessels to be filled to the same depth so that the force/pressure can be shown to be common for all three vessels, independent of shape.

Description

MEASUREMENT CAPABILITIES:-

Demonstrating that the pressure in a liquid contained in a vessel, varies with depth and is not affected by the shape of the vessel

TECHNICAL SPECIFICATIONS:-

Lever arm with sliding weight and spirit level measures force at the base of the vessel
Three alternative glass vessels supplied: parallel sided, conical and tapering
Flexible diaphragm retained by ‘O’ ring for ease of replacement
Height-adjustable pointer enables all vessels to be filled to a common depth
Parallel vessel: 26 mm inside diameter
Conical vessel: 26-101 mm inside diameter at top
Tapered vessel 26 mm to 9 mm inside diameter at top
Diameter at diaphragm: 56 mm
Maximum depth of water: 228mm (to top of vessels)

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