Charles Law Apparatus Manufacturer,Supplier and Exporter in India
Product Code : EL-PLE-10297
Quick Answer: The Charles Law Apparatus is a glass U-tube with a 7 cm3 bulb and tap on one limb and the other limb left open, for following how a gas expands as it is heated over a range of 100 degrees Celsius.
Last updated: October 2026
Key Features
Glass U-tube, one limb ending in a bulb with a tap, the other open.
Bulb capacity of 7 cm3.
Graduated stem below the bulb, marked 3 x 0.1 cm3.
Outlet tube from the bottom of the U passing through a bung to a tap.
Allows for expansion over a range of 100 degrees Celsius.
Held by a single clamp.
Technical Specifications
Specification
Value
Body
Glass U-tube
Bulb
7 cm3, with tap, at the upper end of one limb
Stem graduation
3 x 0.1 cm3
Expansion range
100 degrees Celsius
Bottom outlet
Through a bung, ending in a tap
Support
Single clamp
About This Product
Gas held in the bulb expands as the bulb is warmed, and the change in volume is read off the graduated stem beneath it, so students can relate gas volume to temperature as Charles's law describes. The outlet tube at the bottom of the U runs through a bung to its own tap, and the apparatus needs only one clamp for support. The Charles Law Apparatus can be dispatched from India to Brazil, Bahamas, Belgium, Timor-Leste, Bulgaria and Grenada.
Frequently Asked Questions
What is the bulb capacity?
The bulb holds 7 cm3, and the stem beneath it is graduated 3 x 0.1 cm3.
What temperature range does it cover?
The graduated stem allows for gas expansion over a range of 100 degrees Celsius.
How is the apparatus mounted?
It can be supported by a single clamp, as the glass U-tube with its bulb, taps and bung forms one unit.