Clement & Desorme's Apparatus Manufacturer,Supplier and Exporter in India
Product Code : SCL-MH-11971
Quick Answer: Clement & Desorme’s Apparatus is used to find the ratio of the specific heats of a gas (the adiabatic exponent) by a sudden expansion. It has a 10 litre borosilicate glass vessel, a glass U-tube manometer and a two-valve stopcock on a hardwood base.
Last updated: October 2026
Key Features
Borosilicate glass 3.3 vessel of 10 litre capacity
Glass U-tube manometer with a graduated scale
Two-valve stopcock for pumping air in and venting it quickly to the atmosphere
Airtight rubber-stoppered joints with chemical-resistant tubing
Polished hardwood base with a vertical support
Technical Specifications
Specification
Value
Vessel
Borosilicate glass 3.3
Capacity
10 litres
Manometer
Glass U-tube with graduated scale
Valves
Dual-valve stopcock
Base
Polished hardwood with vertical support
HS code
9023.00.00
About This Product
Air is pumped into the vessel and allowed to settle at room temperature, the stopcock is opened briefly so the gas expands adiabatically, and the vessel is closed and left to warm back up. The three manometer readings give the ratio of the principal specific heats of air.
Frequently Asked Questions
What is the capacity of the vessel?
The glass vessel has a capacity of 10 litres.
How is the pressure read?
A glass U-tube manometer with a graduated scale shows the pressure difference inside the vessel.
