Osborne Reynolds Apparatus Manufacturer,Supplier and Exporter in India
Product Code : EL-FMP-11318
Quick Answer: The Osborne Reynolds Apparatus is a glass test pipe held vertically in a large shroud, open at the front and light-coloured inside, fed from a constant head reservoir. A dye injector puts a fine filament of dye into the flow so students can see the flow pattern clearly.
Last updated: October 2026
Key Features
Glass pipe (test tube) held vertically in a large shroud, open at the front with a light-coloured inside surface
Constant head reservoir with diffuser, stilling bed and shaped bell-mouth for a steady, uniform flow at entry
Dye injector: a dye reservoir connected to a fine hypodermic tube
Thermometer in the reservoir; fixed overflow pipe connects to a drain
Measuring cylinder included for timed flow measurement
Adjustable feet, with a levelling device included
Technical Specifications
Specification
Value
Test pipe
Glass, held vertically in a shroud
Inlet
Constant head tank, diffuser, stilling bed, bell-mouth
Dye injection
Dye reservoir with fine hypodermic tube
Temperature
Thermometer in reservoir
Included
Measuring cylinder, levelling device
Base
Adjustable feet
About This Product
Students watch how the dye filament behaves as they change the flow through the pipe, then use the timed flow rate and the water temperature to relate what they see to the Reynolds number.
Frequently Asked Questions
How is the flow rate measured on the Osborne Reynolds Apparatus?
Students collect a known quantity of water in a measured time, using the measuring cylinder that is included.