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Plumb Line Level
Plumb Line Level (Product Code: SCL-272/034) is a brass plumb weight, hung on a line, used to establish a true vertical in school and college physics laboratories. Teachers and students use it to check that stands, scales and hanging apparatus are upright and to trace vertical lines in the centre of gravity experiment; the brass body is compact and dense, so it settles steadily. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Key Details
| Parameter | Detail |
|---|---|
| Item | Plumb line level |
| Material | Brass |
| Function | Shows a true vertical line under gravity |
| Product code | SCL-272/034 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is a Plumb Line Level Used For?
Gravity pulls the hanging weight straight down, so the line marks the local vertical. In the classic experiment to find the centre of gravity of an irregular lamina, the lamina is hung from a pin, the plumb line is hung from the same pin, and the line is traced on the lamina; repeating this from a second hole gives two lines that cross at the centre of gravity. The same tool checks that Searle's apparatus, a wall-mounted barometer or a vertical meter scale is truly upright before readings begin.
Let the weight come fully to rest before marking, and keep it away from fans and open windows that make it swing. Keep the line free of knots and kinks, since they shift where the weight hangs. Brass does not rust as iron does, though it can tarnish, so an occasional wipe with a dry cloth keeps it tidy.
OEM Manufacturer
The Plumb Line Level is manufactured by Jain Scientific Equipments Private Limited, which trades as ScienceLab and is the OEM for its own range of physics lab items. It is made at the company's licensed factory at Saha, Ambala, Haryana, India, and schools, colleges, dealers and importers buy it factory-direct, with repeat and bulk orders quoted by the manufacturer itself. Tender and vendor-registration teams can note the company's CIN, U29309HR2020PTC087597, and Factory Licence AMB-ONLINE-CHD-J-414 for its premises at 449, HSIIDC Industrial Area, Saha, Ambala. Read more on the company profile page.
Related Physics Lab Equipment
These items are useful alongside a Plumb Line Level when setting up apparatus or running the centre of gravity practical:
- Spirit Level — for checking horizontal surfaces alongside the vertical
- Cotton Thread Roll — thread for suspending laminae or a plumb weight
- Board Pin Packet — pins for hanging the lamina in the centre of gravity experiment
- Iron Stand — a support to hang the lamina and plumb line from
- Fortin Barometer — a wall-mounted instrument that must hang vertical
Explore the full Physics Lab category.
Frequently Asked Questions
What is the Plumb Line Level made of?
The Plumb Line Level (code SCL-272/034) is made of brass. Brass is dense, so the weight hangs steadily on its line, and it does not rust as iron does, though it may tarnish over time with handling.
Is the line included with the Plumb Line Level?
What comes with the Plumb Line Level, including the line or cord, should be confirmed with us before ordering. Mention it on the contact page and the contents will be stated in your quotation.
How is a Plumb Line Level used to find the centre of gravity?
To find the centre of gravity of an irregular lamina with a Plumb Line Level, hang the lamina and the plumb line from the same pin and trace the line. Repeat from a second hole; where the two lines cross is the centre of gravity.
What is the difference between a Plumb Line Level and a spirit level?
A Plumb Line Level shows the true vertical through gravity acting on a hanging brass weight, while a spirit level uses an air bubble in a liquid vial to check that a surface is horizontal. Many labs keep both for setting up apparatus.
Who manufactures the Plumb Line Level?
Jain Scientific Equipments Pvt Ltd, trading as ScienceLab, manufactures the Plumb Line Level as the OEM at its own factory in Saha, Ambala, Haryana, India, and sells it factory-direct to institutions and dealers.
What should a quotation request for the Plumb Line Level include?
A quotation request for the Plumb Line Level should give code SCL-272/034, the quantity, whether thread or pins should be quoted with it, and your delivery location in India or international markets.
Request a Quote
Ask for Plumb Line Level pricing through the contact page or add it to the enquiry cart. The manufacturer will send the quotation directly.
Last updated: 24 September 2026
