- Physics Lab Equipment
- Chemistry Lab Equipment
- Biology Lab Equipment
- Anatomical Lab Equipment
- Learning
- Educational Lab Equipment
- Magnets
- Agriculture
- Astronomy
- Earth Science
- Geography Lab Equipment
- Safety Lab Coat
- Laboratory
- Meteorological
- Electricity & Magnetism
- Heat
- School Lab Equipment
- Lab Glassware
- Science Lab Equipment
- Tvet Lab Equipment
- Robotics Kits Supplier and Manufacturer for Schools India
- Math Lab Equipment Manufacturers and Exporters in Ambala
- STEM Kits Manufacturers and Supplier India
- Engineering Lab Equipment
- Hospital Lab Equipment
- Water, Sanitation & Hygiene Supplies
- Cold Chain, Solar & Communication Equipment
- Nutrition
Bernoulli's Theorem
The Bernoulli’s Theorem apparatus (Product Code: SLE/EFM/10) demonstrates the exchange between pressure and velocity as water passes through a horizontal Venturi tube. Manometer tubes held vertically on a scaled panel show the pressure head at points along the tube, so students can see pressure fall in the throat and recover downstream. Built with plastic materials and corrosion-resistant finishes, it is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, as lab equipment for college and polytechnic fluid mechanics practicals.
Specifications
| Parameter | Detail |
|---|---|
| Main components | Horizontal Venturi tube, downstream flow-control valve and manometer tubes |
| Manometer panel | Holds the tubes vertically, with a scale behind them for direct reading of water levels |
| Manifold | Common manifold above the tubes with an air pressure-control valve |
| Datum adjustment | Hand-pump connected to the air valve above the manometer tubes |
| Flow control | Downstream valve, so it causes no upstream turbulence |
| Base | Adjustable feet |
| Materials | Plastic materials and corrosion-resistant finishes throughout |
Typical Use
After levelling the base on its adjustable feet, students open the flow-control valve to set a steady flow and read the water level in each manometer tube against the panel scale. The heads drop towards the narrow throat of the Venturi, where velocity is highest, and rise again as the section widens. Using the measured flow and the tube cross-sections, the class calculates velocity head at each station and checks whether the total head stays constant, as Bernoulli’s equation predicts, or falls slightly because of friction.
Placing the control valve downstream keeps the approach flow undisturbed, so the readings reflect the Venturi itself rather than turbulence from a partly closed valve. If the water levels sit too high or too low on the scale, a hand-pump on the manifold air valve brings them back to a convenient datum. For engineering educational equipment in India, this apparatus also introduces the Venturi meter as a practical flow-measuring device, a topic students revisit in pump and pipe-network work. Drain the tubes after use and keep the panel scale clean.
Manufacturer
This apparatus is manufactured in Ambala, Haryana, by Jain Scientific Equipments Private Limited, whose ScienceLab brand covers fluid mechanics, physics and wider laboratory teaching equipment. Our company profile tells you more about who we are.
Related Fluid Mechanics Equipment
Apparatus that follows on naturally from the Bernoulli experiment:
- Cavitation In Venturi — what happens when throat pressure drops too far
- Friction Loss In Pipe — quantifies the head losses that Bernoulli’s ideal equation ignores
- Pipe Flow And Nozzle Kit — more pressure-velocity experiments in pipes and nozzles
- Two Stage (Series And parallel) — uses a Venturi meter for flow measurement in a pump rig
The complete Fluid Mechanics range lists further hydraulics apparatus.
Frequently Asked Questions
What does the Bernoulli’s Theorem apparatus include?
A horizontal Venturi tube, a downstream flow-control valve and manometer tubes on a panel, with a common manifold and air pressure-control valve, on a base with adjustable feet.
Why is the flow-control valve downstream?
So it does not cause any turbulence upstream of the Venturi, keeping the readings clean.
How is the manometer datum adjusted?
Students connect a hand-pump to the air valve above the manometer tubes. Whether a hand-pump is supplied with the unit can be confirmed through our contact page.
What water supply does it need?
Supply requirements are not listed on this page; our team can advise on connecting it in your lab.
Will it corrode with regular use?
It uses plastic materials and corrosion-resistant finishes throughout to protect against corrosion.
How many manometer tubes and what Venturi dimensions?
These details are not published here; please ask us and we will send them with the quotation.
Can we order several sets for a class?
Yes. Send the quantity and delivery location; we supply institutions in India and international markets.
Request a Quote
Request pricing for the Bernoulli’s Theorem apparatus via our contact form, or add it to the enquiry cart together with the other fluid mechanics equipment on your list.
Last updated: 24 September 2026
