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Hydrostatic Pressure Apparatus
Hydrostatic Pressure Apparatus (Product Code: SLE/MCE/39) is a fluid statics bench unit used to determine the resultant force and centre of pressure on a submerged plane surface in engineering and physics laboratories. Students hang masses from a swinging arm carrying a quadrant over a 5.5 litre acrylic tank, testing the face vertical or inclined and partly or fully under water. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Tank | Clear acrylic, 5.5 litre capacity, with graduated scale showing the water level |
| Levelling | Adjustable screwed feet and a circular spirit level on the tank base |
| Balance arm | Swinging arm with a tray and an adjustable counterbalance, mounted on top of the tank |
| Area of the section | 0.007 m² |
| Total depth of submerged quadrant | 160 mm |
| Height of support point on the quadrant | 100 mm |
| Distance from suspended masses to support point | 285 mm |
| Dimensions | 600 x 400 x 400 mm |
| Weight | 30 kg |
| Product code | SLE/MCE/39 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
Experiments listed for the apparatus:
- Centre of pressure and resultant force with the surface at 90°, partially submerged.
- Centre of pressure and resultant force with the surface at 90°, totally submerged.
- Centre of pressure, resultant force and equivalent force with the surface at angles other than 90°, partially and totally submerged.
- Balance of moments about the support point.
What Is the Hydrostatic Pressure Apparatus Used For?
Dams, lock gates, tank walls and sluices all have to resist water pressure that grows with depth, so the resultant force acts below the centroid of the wetted face. This apparatus turns that idea into a measurement: with the tank levelled and the empty arm balanced by the counterbalance, students add water, restore balance by loading masses on the tray, and read the water level from the graduated scale.
Taking moments about the support point, with the masses acting 285 mm from it, gives the hydrostatic force and the depth of the centre of pressure, which are compared with theory for partial and full submersion. Tilting the face to angles other than 90° extends the exercise to inclined surfaces. It is compact bench-top engineering lab equipment in India's college syllabi and fits easily on a standard laboratory table.
OEM Manufacturer
Jain Scientific Equipments Private Limited (trading as ScienceLab) is the OEM, or original equipment manufacturer, of the Hydrostatic Pressure Apparatus. The acrylic tank, quadrant and balance arm assembly are made at the company's own licensed factory at Saha, Ambala, Haryana, so the product is supplied by the maker itself rather than by an intermediary.
Schools of engineering, polytechnics, dealers and importers can order single units or class sets straight from the factory, and later requests for spare quadrants or counterbalance parts go back to the same team — ask us. Company details are on the ScienceLab profile page.
Related Fluid Mechanics Equipment
Useful additions for a fluid statics practical session:
- Hangers with Slotted Weights — masses for balancing the hydrostatic moment on the arm.
- Center of Pressure — another centre-of-pressure set for comparing designs or equipping more groups.
- Fluid Properties and Hydrostatics Bench — a mobile bench covering density, viscosity, buoyancy and pressure measurement.
- Pressure Measurement Bench — extends the topic to manometers and pressure gauges.
More hydrostatics and hydraulics apparatus is listed in the Fluid Mechanics category.
Frequently Asked Questions
What experiments can be done with the Hydrostatic Pressure Apparatus?
The Hydrostatic Pressure Apparatus is used to find the resultant force and centre of pressure on a submerged surface at 90° and at other angles, partially and totally submerged, together with the equivalent force and a balance of moments about the support point.
What is the tank capacity?
The acrylic tank of the Hydrostatic Pressure Apparatus holds 5.5 litres of water. A graduated scale on the tank shows the water level reached, which students need for calculating the depth of the centre of pressure in each test.
What are the quadrant dimensions?
On the Hydrostatic Pressure Apparatus, the submerged quadrant has a total depth of 160 mm and a section area of 0.007 m². The support point sits 100 mm above the quadrant, and the suspended masses act 285 mm from the support point.
How is the apparatus levelled?
The Hydrostatic Pressure Apparatus is levelled with the adjustable screwed feet under its acrylic tank. Correct alignment is shown by a circular spirit level on the tank base, and the arm is then zeroed with the adjustable counterbalance before water is added.
Are the masses included with the apparatus?
The masses used on the tray of the Hydrostatic Pressure Apparatus should be confirmed at quotation, because the scope of supply is not listed here. Ask through the contact page, or add a set of slotted weights to your enquiry.
Who manufactures the Hydrostatic Pressure Apparatus?
The Hydrostatic Pressure Apparatus is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), which is the OEM and builds it at its own factory in Ambala, Haryana, India for colleges, institutions, dealers and importers.
Request a Quote
Ask for a quotation on the Hydrostatic Pressure Apparatus (SLE/MCE/39) through the contact page, or add it to the enquiry cart and state the number of units needed. Every quotation is prepared directly by the manufacturer, including for export orders.
Last updated: 24 September 2026
