Baroscope Manufacturer,Supplier and Exporter in India
Product Code : SCL-MH-12757
The Baroscope by Educational Instrument India is a classic physics laboratory apparatus designed to demonstrate the buoyant effect of air and the pressure exerted by the atmosphere. It is widely used in school science laboratories, college physics labs, STEM classrooms, and educational training institutes.
This apparatus usually consists of a balance beam with a hollow sphere on one side and a counterweight on the other side. In normal air, the beam can be balanced because both sides experience buoyant force from the surrounding air. When the apparatus is placed inside a bell jar and air is removed using a vacuum pump, the buoyant force is reduced and the hollow sphere side becomes heavier, showing that air provides an upward thrust.
The Baroscope is an effective teaching aid for explaining air buoyancy, atmospheric pressure, vacuum, density, and the effect of air on objects. Its simple design makes it easy for students to observe and understand the invisible effect of air in a practical and visual way.
Product Specifications
|
Specification |
Details |
|
Product Name |
Baroscope |
|
Brand |
Educational Instrument India |
|
Application |
Demonstration of buoyancy of air and atmospheric pressure |
|
Subject |
Physics / General Science |
|
Suitable For |
Schools, colleges, laboratories, and STEM classrooms |
|
Main Concepts |
Air buoyancy, atmospheric pressure, vacuum, density, upthrust |
|
Product Type |
Educational physics demonstration apparatus |
|
Components |
Balance beam, hollow sphere, counterweight, support stand, and base |
|
Operation |
Manual demonstration with bell jar and suitable vacuum pump |
|
Compatible With |
Bell jar, vacuum pump, vacuum plate, and rubber vacuum tubing |
|
Usage Type |
Teacher demonstration and student practical observation |
|
Material |
Laboratory-grade metal and durable components depending on model |
|
Design |
Balanced beam design for clear observation |
|
Packaging |
Securely packed for safe delivery |
How to Use
Place the Baroscope on a clean, dry, and stable laboratory table.
Adjust the balance beam so that the hollow sphere and counterweight are balanced in normal air.
Place the Baroscope carefully on the plate inside a suitable bell jar setup.
Make sure the bell jar sits properly on the base plate with an airtight seal.
Connect the bell jar plate to a suitable vacuum pump using rubber vacuum tubing.
Start the vacuum pump and gradually remove air from inside the bell jar.
Observe that the hollow sphere side moves downward as the buoyant force of air decreases.
Explain that air gives an upward thrust to objects and that this effect is reduced in vacuum.
After the demonstration, switch off the vacuum pump.
Slowly release air back into the bell jar before removing the apparatus.
Clean and store the Baroscope safely after use.
Key Features
Demonstrates the buoyant effect of air clearly.
Helps explain atmospheric pressure and vacuum concepts.
Useful for teaching upthrust, density, and air pressure.
Suitable for school and college physics laboratories.
Simple balance beam design for easy observation.
Compatible with bell jar and vacuum pump setups.
Durable construction for repeated educational use.
Ideal for classroom demonstrations and STEM learning.
Applications
Buoyancy of air demonstrations
Atmospheric pressure experiments
Vacuum experiments
Density and upthrust studies
Physics laboratory practicals
General science classroom teaching
STEM education activities
Teacher-led demonstrations
School and college laboratory training
Frequently Asked Questions
- What is a Baroscope used for?
A Baroscope is used to demonstrate the buoyant effect of air and show that air exerts an upward thrust on objects.
- How does a Baroscope work?
A Baroscope works by balancing a hollow sphere and counterweight in air. When air is removed in a vacuum chamber, the buoyant force decreases and the hollow sphere side becomes heavier.
- Why does the hollow sphere move downward in vacuum?
The hollow sphere displaces more air and receives more buoyant force in normal air. When air is removed, this upward thrust decreases, so the hollow sphere side moves downward.
- Is a vacuum pump required for this experiment?
Yes, a suitable vacuum pump, bell jar, and vacuum plate are generally required to demonstrate the effect clearly.
- What physics concept does the Baroscope demonstrate?
It demonstrates air buoyancy, atmospheric pressure, vacuum, density, and the upward thrust exerted by air.
- Is this apparatus suitable for school laboratories?
Yes, it is suitable for school science labs, college physics labs, STEM classrooms, and educational institutions.
- Can students use this apparatus directly?
Students can observe and handle the apparatus under teacher or laboratory supervisor guidance.
- What safety precautions should be followed?
Use the apparatus on a stable surface, handle the balance beam carefully, use the bell jar and vacuum pump correctly, and release vacuum slowly after the experiment.
