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Capillary Tube Apparatus
Capillary Tube Apparatus (Product Code: SLE/PHY/32) is a demonstration apparatus used to show how the bore of a capillary tube affects the height to which water rises in it, in school and college physics laboratories. A metal frame holds six capillary tubes of different bores upright in a water trough, so the different column heights are visible at a glance. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India, for capillary tube experiments in India and abroad.
Specifications
| Parameter | Detail |
|---|---|
| Capillary tubes | Six, each of a different bore |
| Length of capillary tubes | 150 mm |
| Frame | Metal frame holding the tubes vertically in a trough |
| Overall height of frame | 90 mm |
| Liquid | Trough filled with water |
| Demonstrates | Relationship between capillary pressure and the bore diameter of the tube |
| Product code | SLE/PHY/32 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Capillary Tube Apparatus Used For?
The apparatus demonstrates capillarity, one of the most visible effects of surface tension. Once water is poured into the trough, it climbs each tube to a different height: the narrower the bore, the higher the column. Seeing all six columns side by side lets students link the rise directly to tube diameter and discuss why capillary pressure increases as the bore gets smaller.
For the clearest display, use clean tubes, since grease inside a tube reduces the rise, and add a drop of coloured ink to the water so the columns stand out from the back of the room. Rinse and dry the tubes after use. The unit makes a useful companion to surface tension apparatus in India when a lesson needs a quick qualitative demonstration before quantitative work.
OEM Manufacturer
ScienceLab is the trading name of Jain Scientific Equipments Private Limited, the OEM that manufactures this capillary tube apparatus at its own licensed factory at Saha, Ambala, Haryana, India. The company is a registered MSME enterprise (Udyam UDYAM-HR-01-0003714), and export consignments are shipped under Importer-Exporter Code AAECJ8618A issued by the DGFT.
Institutions, dealers and importers buy directly from the maker, so questions about replacement capillary tubes or additional units are answered by the factory itself; just ask us. Visit our company profile for more about ScienceLab.
Related Physics Lab Equipment
Items that support capillarity and fluid demonstrations:
- Capillary Tube Set — loose capillary tubes for further student investigations.
- Capillary Tube — single tubes for individual experiments.
- Microscope Travelling (Vernier) — for measuring column heights and bores in quantitative work.
- Bernoulli Tube Apparatus — another fluids demonstration for the same unit of study.
Browse the Physics Lab Equipment category for more properties-of-matter apparatus.
Frequently Asked Questions
How many tubes does the Capillary Tube Apparatus have?
The Capillary Tube Apparatus has six capillary tubes of different bores, held vertically in a trough by a metal frame. Each tube is 150 mm long, and the frame has an overall height of 90 mm.
What does the Capillary Tube Apparatus demonstrate?
The Capillary Tube Apparatus demonstrates the relationship between capillary pressure and the bore diameter of a capillary tube. When the trough is filled with water, the difference in height between the six water columns is immediately clear.
What liquid is used in the Capillary Tube Apparatus?
The Capillary Tube Apparatus is used with water poured into its trough. A little coloured ink can be added to make the columns easier to see, and the tubes should be rinsed and dried after each demonstration.
Who manufactures the Capillary Tube Apparatus?
The Capillary Tube Apparatus is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), the OEM, at its own licensed factory at Saha, Ambala, Haryana, India. Enquiries about replacement tubes and repeat orders are handled directly by the manufacturer.
Are the bore sizes of the Capillary Tube Apparatus specified?
The Capillary Tube Apparatus listing states that its six tubes have different bores but does not give individual diameters. If your experiment needs exact bore sizes, please ask us through the contact page before ordering.
Can the Capillary Tube Apparatus be supplied to dealers and importers?
Yes, the Capillary Tube Apparatus is supplied factory-direct to schools, colleges, dealers and importers in India and international markets. Include the quantity and destination in your enquiry so the manufacturer can prepare a quotation.
Request a Quote
For a quotation on the Capillary Tube Apparatus, write to us via the contact page or add it to the enquiry cart. Quotations are provided direct by the manufacturer, Jain Scientific Equipments Pvt Ltd (ScienceLab).
Last updated: 24 September 2026
