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Potometer
Potometer (Product Code: SCL253/027) is a plant physiology apparatus used to measure how quickly a cut shoot absorbs water, and so to demonstrate transpiration rates, in school and college botany laboratories. It consists of a water bottle, a glass support that holds the plant and a graduated tube on which the movement of water is read under different external conditions. This potometer is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab) as the OEM at its own factory in Ambala, India.
Key Details
| Parameter | Detail |
|---|---|
| Measures | Rate of water absorption by a cut shoot; transpiration rate |
| Components | Water bottle, glass support for plants, graduated tube for measurement |
| Test conditions | Various external conditions, set up by the user |
| Product code | SCL253/027 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Potometer Used For?
A freshly cut leafy shoot is fitted into the glass support while everything is held under water, so no air enters the stem. With the water bottle and graduated tube filled, a small air bubble is introduced into the tube, and students time how far it travels as the shoot draws water up. The distance per minute gives the rate of water uptake.
Because nearly all of that water is lost through the leaves, the reading is a practical stand-in for transpiration. Placing a fan nearby, moving the shoot under a lamp or enclosing it in a plastic bag shows how wind, light and humidity change the rate, which makes it a core transpiration experiment for India’s school syllabuses. Seal the joints well and let the shoot settle before starting each reading.
OEM Manufacturer
Jain Scientific Equipments Private Limited, trading as ScienceLab, is the OEM (original equipment manufacturer) of this Potometer. It is made at the company’s own licensed factory at Saha, Ambala, Haryana, India, and supplied factory-direct to schools, colleges, institutions and dealers in India and international markets. If you later need a spare graduated tube or support, ask us — the request goes to the team that makes the apparatus.
Read more on the ScienceLab company profile.
Related Laboratory Equipment
These items fit naturally into a transpiration practical:
- Kit for Demonstration of Transpiration in Plants — shows water loss from leaves in a simple class demonstration.
- Potometer Apparatus (Ganong’s) — an alternative potometer design for comparison.
- Potometer Apparatus — another potometer option for additional student groups.
- Digital Chronometer (Stopwatch) — times the bubble movement accurately.
See the full Laboratory Equipment category.
Frequently Asked Questions
What does the Potometer measure?
The Potometer (SCL253/027) measures the rate at which a cut shoot absorbs water. Because most absorbed water is lost from the leaves, it is used to demonstrate transpiration rates under various external conditions such as light, wind and humidity.
What are the parts of this potometer?
This Potometer consists of a water bottle, a glass support for the plant and a graduated tube for measurement. The shoot sits in the support, water is drawn from the bottle, and movement along the graduated tube is read by students.
Does a potometer measure transpiration exactly?
The Potometer measures water uptake by the shoot, which closely follows transpiration because only a small share of the water is used inside the plant. For school work it is treated as a reliable indicator of how fast the leaves lose water.
How can air leaks be avoided when setting up?
Cut the shoot and fit it into the Potometer under water, then make sure every joint is sealed so no air enters. A leak-free set-up keeps the bubble moving steadily and gives students consistent readings between trials.
Who manufactures the Potometer?
The Potometer (SCL253/027) is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), the OEM, at its own licensed factory in Saha, Ambala, Haryana, India. Schools and dealers receive quotations and spares support directly from the manufacturer.
Can you quote the Potometer for a full class or for export?
Yes, the Potometer can be quoted in class-set quantities for schools, colleges, dealers and importers in India and international markets. Send the product code SCL253/027, the number of units and the destination through the contact page.
Request a Quote
To order the Potometer, contact us through the contact page or add it to the enquiry cart. The quotation will come direct from ScienceLab, the manufacturer.
Last updated: 24 September 2026
