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Communication Vessel Apparatus
Communication Vessel Apparatus (Product Code: SCL-371/015) is a set of interconnected containers used to demonstrate that a liquid comes to rest at the same level in every connected vessel, in school hydrostatics and general science lessons. Mounted on a 230 x 100 x 22 mm wooden base with a total height of 160 mm, it sits easily on a teacher's desk for whole-class viewing. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Principle | System of containers connected to each other below the liquid level; all keep the same liquid level |
| Behaviour when filled | Liquid added to one container establishes a new equal level in all connected containers |
| What it demonstrates | Containers holding the same liquid, with equal pressure on the liquid surface, show the same liquid level |
| Base | Wooden, 230 x 100 x 22 mm |
| Total height | 160 mm |
| Product code | SCL-371/015 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Communicating Vessels Apparatus Used For?
Communicating vessels are one of the first hydrostatics demonstrations students meet. Water poured into any one container flows through the connection below the surface until every container shows the same level, and adding more water to one of them simply raises all the levels together. The same principle explains household water tanks feeding taps, canal locks and the U-tube manometers students meet later in physics.
A few drops of food colouring or ink in the water make the levels easy to see from the back of the room. Stand the apparatus on a level surface before filling, pour slowly so that no air bubbles are trapped in the connection, and empty and dry it after the lesson before storing it upright. For schools assembling physics lab equipment in India or abroad, it is a compact demonstration that needs nothing more than water.
OEM Manufacturer
ScienceLab, the trading name of Jain Scientific Equipments Private Limited, is the original equipment manufacturer of this communicating vessels apparatus. It is produced at the company's own licensed factory at Saha, Ambala, Haryana, India, and sold directly to schools, colleges, dealers and importers rather than through traders.
For repeat orders, or a replacement part after an accidental breakage, you speak to the manufacturer itself — ask us. Read about the company on the ScienceLab profile.
Related Laboratory Equipment
Other fluids and pressure apparatus for the same topic:
- Pascal's Sphere — shows that pressure in a liquid acts equally in all directions.
- Pascal's Principle Demonstrator — a further demonstration of pressure transmission in fluids.
- Set to Demonstrate Archimedes' Principle/Law — moves the lesson on to upthrust in liquids.
- Measuring Cylinder 500 ml — for measuring and pouring the water.
- Apparatus for Demonstrating the Boil-Marriott Law — pressure in gases, to contrast with liquids.
The full Laboratory Equipment category lists more demonstration apparatus.
Frequently Asked Questions
What does the Communication Vessel Apparatus demonstrate?
The Communication Vessel Apparatus (SCL-371/015) demonstrates that containers connected below the liquid surface, holding the same liquid with equal pressure on its surface, settle to the same liquid level, and that liquid added to one container produces a new equal level in all of them.
What are the dimensions of the apparatus?
The Communication Vessel Apparatus (SCL-371/015) is mounted on a wooden base measuring 230 x 100 x 22 mm and has a total height of 160 mm, so it fits on a desk or bench for a whole-class demonstration.
Which liquid should be used in the demonstration?
Plain water is the usual choice for the Communication Vessel Apparatus (SCL-371/015), and a few drops of food colouring or ink make the equal levels easier to see. Avoid mixing different liquids in one demonstration, because the equal-level rule applies to the same liquid.
How should the apparatus be cleaned and stored?
After use, empty the Communication Vessel Apparatus (SCL-371/015), rinse the containers with clean water and let them dry fully before storage. Keep it upright on its wooden base and away from standing water so the wood stays in good condition.
Who manufactures the Communication Vessel Apparatus?
The Communication Vessel Apparatus (SCL-371/015) is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), the OEM, at its own licensed factory at Saha, Ambala, Haryana, India, and is supplied directly by the manufacturer to schools, dealers and importers.
Can several units be ordered for a school or for export?
Yes. The Communication Vessel Apparatus (SCL-371/015) is supplied in quantity to schools, colleges, dealers and importers in India and international markets. Tell us the number of units and the delivery destination through the contact page to receive a quotation.
Request a Quote
To order or get a quotation for the Communication Vessel Apparatus, reach us on the contact page or use the enquiry cart. You will hear back from the manufacturer directly.
Last updated: 24 September 2026
