- Physics Lab Equipment
- Chemistry Lab Equipment
- Biology Lab Equipment
- Anatomical Lab Equipment
- Learning
- Educational Lab Equipment
- Magnets
- Agriculture
- Astronomy
- Earth Science
- Geography Lab Equipment
- Safety Lab Coat
- Laboratory
- Meteorological
- Electricity & Magnetism
- Heat
- School Lab Equipment
- Lab Glassware
- Science Lab Equipment
- Tvet Lab Equipment
- Robotics Kits Supplier and Manufacturer for Schools India
- Math Lab Equipment Manufacturers and Exporters in Ambala
- STEM Kits Manufacturers and Supplier India
- Engineering Lab Equipment
- Hospital Lab Equipment
- Water, Sanitation & Hygiene Supplies
- Cold Chain, Solar & Communication Equipment
- Nutrition
Electroscope in Flask, Gold Leaf
Electroscope in Flask, Gold Leaf (Product Code: SLE/PHY/166) is a simple charge detector used to show whether an object carries static electricity in school physics lessons. A glass conical flask encloses the gold leaf, which hangs from a brass rod held in a rubber bung, so air currents in the room do not disturb the leaf. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Key Details
| Parameter | Detail |
|---|---|
| Enclosure | Glass conical flask |
| Stopper | Rubber bung supporting the rod |
| Conductor | Brass rod |
| Indicator | Gold leaf attached to the brass rod |
| Spares | Replacement gold leaves available separately |
| Product code | SLE/PHY/166 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Flask Gold Leaf Electroscope Used For?
Bring a charged rod near the top of the brass rod and the gold leaf lifts away, because the charge it receives repels the like charge on the rod; take the rod away and the leaf settles again. Students use it to detect charge, to compare how well different materials charge when rubbed, and to see the difference between charging by contact and by induction. It is an affordable starting point when equipping a school physics lab in India with electrostatics apparatus.
Work in a dry room, since humid air lets charge leak away quickly. Keep the flask upright, avoid touching the leaf, and ease the bung out gently when fitting a new leaf — gold leaf is extremely thin and tears easily.
What to Specify When Ordering
- The number of flask electroscopes needed for demonstration or student groups.
- How many replacement gold leaves you want, as these are available separately.
- Friction rods and cloths for charging, if your lab does not already have them.
OEM Manufacturer
Jain Scientific Equipments Private Limited, trading as ScienceLab, is the original equipment manufacturer of this flask electroscope and produces its physics apparatus at its own licensed factory at Saha, Ambala, Haryana. Because orders are handled by the maker rather than a trader, questions about replacement leaves or repeat supplies go straight to the team that builds the apparatus — just ask us. See the ScienceLab company profile for more.
Related Physics Lab Equipment
Pair the flask electroscope with these items for a complete static electricity bench:
- Electroscope, Gold Leaf — metal-cased version with a scale for measuring leaf deflection.
- Electroscope, Needle — uses a metal vane pointer and graduated scale for angle readings.
- Friction Rod, Brass/Ebonite — a rod for charging by rubbing before touching the brass rod.
- Friction Cloth, Cotton — square cloth for rubbing friction rods.
- Van de Graaff Generator — hand-cranked charge source for larger demonstrations.
See every item in our Physics Lab Equipment range.
Frequently Asked Questions
What is the Electroscope in Flask, Gold Leaf made of?
The Electroscope in Flask, Gold Leaf uses a glass conical flask fitted with a rubber bung. The bung supports a brass rod, and the gold leaf is attached to that rod so it hangs protected inside the flask.
Are replacement gold leaves available for the flask electroscope?
Yes. Replacement gold leaves for the Electroscope in Flask, Gold Leaf are available separately, so a torn leaf does not mean replacing the whole instrument. Mention how many spare leaves you want when you request a quotation.
How does the Electroscope in Flask, Gold Leaf show charge?
The Electroscope in Flask, Gold Leaf shows charge when the leaf moves away from the brass rod. Charge given to the rod spreads onto the leaf, and because both then carry the same sign they repel, making the leaf rise.
Who manufactures the Electroscope in Flask, Gold Leaf?
Jain Scientific Equipments Pvt Ltd (ScienceLab) manufactures the Electroscope in Flask, Gold Leaf as an OEM at its own factory in Ambala, Haryana, India, and supplies it factory-direct to schools, colleges, dealers and importers.
Is a calibration certificate available for this electroscope?
The Electroscope in Flask, Gold Leaf is a qualitative charge indicator without a measuring scale, so calibration is not usually needed. If your tender asks for any certificate or test document, please discuss it with us through the contact page before ordering.
Can the Electroscope in Flask, Gold Leaf be ordered in bulk for export?
Yes, the Electroscope in Flask, Gold Leaf can be quoted in bulk for schools and distributors in India and international markets. Send the quantity, destination and any spare-leaf needs via the contact page for a manufacturer's quotation.
Request a Quote
Ask for a price on the Electroscope in Flask, Gold Leaf through our contact page, or add it to the enquiry cart with any other electrostatics items. You receive the quotation directly from the manufacturer.
Last updated: 24 September 2026
