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Galvanometer, Centre Zero Universal Meter
Galvanometer, Centre Zero Universal Meter (Product Code: SLE/PHY/182) is a sensitive moving coil galvanometer reading 50 µA-0-50 µA, used to detect very small currents and their direction in school and college physics practicals. Also called a universal galvanometer, it is electrically identical to the universal meter, with a 1000 ohm movement and diode protection against overload up to 12 V DC. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Type | Centre zero universal meter (universal galvanometer) |
| Range | 50 µA-0-50 µA |
| Movement | Moving coil, 1000 ohm |
| Overload protection | Diode protection up to 12 V DC |
| AC use | Suitable as an indicator in slow AC |
| Electrical design | Identical to the universal meter |
| Product code | SLE/PHY/182 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is the Centre Zero Universal Galvanometer Used For?
A 50 microamp range makes this meter respond to the tiny currents produced in induction experiments, and the centre zero shows at a glance which way each current flows. Because it works as an indicator in slow AC, it can follow a current that reverses slowly — for example a coil with a magnet swinging back and forth in front of it, where the needle moves left and right with every reversal.
The stated 1000 ohm movement and 50 microamp range also give students the two values they need to calculate a shunt for an ammeter or a series resistance for a voltmeter, a standard exercise in physics practical equipment CBSE syllabuses. The diode protection helps the meter survive wiring mistakes, but a high series resistance should still be used for first trials.
What to Specify When Ordering
- Number of meters, for example one per practical group.
- Whether you need this sensitive 50 µA centre-zero meter or a less sensitive 50-0-50 galvanometer.
- Any leads, coils or resistances to include for induction or meter-conversion practicals.
Supplier
ScienceLab is the trading name of Jain Scientific Equipments Private Limited, which supplies this universal galvanometer from Ambala, Haryana. The company sources sensitive meters of this kind for schools, universities, tender buyers and distributors in India and international markets, and can quote them alongside coils, magnets and leads.
Learn more about the company on the ScienceLab profile page.
Related Physics Lab Equipment
These items complete induction and meter experiments built around a sensitive galvanometer:
- Galvanometer 50-0-50mV — a less sensitive centre-zero meter for DC work.
- Apparatus for Studying the Production of Electricity by Induction — produces small induced currents to display.
- A.C. Generator — a source of alternating output to observe on a centre-zero scale.
- Standard Digital Multimeter — for checking readings after converting the galvanometer.
- Banana Plug Connectors Leads — leads for connecting the meter.
More instruments are listed under Physics Lab Equipment.
Frequently Asked Questions
How sensitive is the Galvanometer, Centre Zero Universal Meter?
The Galvanometer, Centre Zero Universal Meter reads 50 µA-0-50 µA with its zero at the centre of the scale, so it detects very small currents and shows their direction. Its moving coil movement is rated at 1000 ohm.
Can the centre zero universal meter be used on AC?
The centre zero universal meter is suitable as an indicator in slow AC, where the current reverses slowly enough for the pointer to follow. It is not meant for reading the value of fast-changing mains-frequency alternating current.
What overload protection does this galvanometer have?
The Galvanometer, Centre Zero Universal Meter has diode protection against overload up to 12 V DC. This lowers the risk of damage from wiring errors, but students should still start each circuit with a high resistance in series.
Can students convert this galvanometer into an ammeter or voltmeter?
Yes. With the stated 1000 ohm movement and 50 µA range, the Galvanometer, Centre Zero Universal Meter can be used in shunt and series-resistance conversion practicals. Ask us about suitable resistances when you enquire.
Who supplies the Galvanometer, Centre Zero Universal Meter?
The Galvanometer, Centre Zero Universal Meter is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, Haryana, India, to schools, colleges, institutions, dealers and export buyers in India and international markets.
What details should I send for a quotation?
For the Galvanometer, Centre Zero Universal Meter, send the quantity, any leads, coils or resistances to include, the delivery location, and any document requirements such as calibration paperwork, which we will discuss with you.
Request a Quote
Request pricing for the Galvanometer, Centre Zero Universal Meter through the contact page or place it in the enquiry cart together with the rest of your electricity bench items.
Last updated: 24 September 2026
