Voltmeter Manufacturer,Supplier and Exporter in India
Product Code : EL-PL-12581
Jlab Export is a leading Voltmeter Manufacturer,and suppliers in India
Voltmeter (code EL-PL-12581) is a battery-powered DC voltmeter covering 0–20 V with a resolution of 0.01 V, for measuring the potential difference between two points in a circuit. Its 9 V battery is included and already fitted, so the meter can be used as soon as it is unpacked. JLab produces this voltmeter in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Model | SCK988/040 |
| Range | 0–20 V DC |
| Resolution | 0.01 V |
| Power | 9 V battery, included and pre-installed |
| Measures | Potential difference between two points |
| Quality check | Each voltmeter is visually inspected before dispatch |
| Pack quantity | Each (sold individually) |
| Minimum order quantity | 5 units |
| Dispatch time | Usually 7–10 working days |
| Product code | EL-PL-12581 |
| Manufacturer | Jain Laboratory Instruments Pvt Ltd (JLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
Connecting It Across a Component
A voltmeter goes in parallel, with one lead on each side of the component being tested, so the circuit does not have to be broken. Put the positive terminal on the side nearer the positive of the supply; reversed leads give a reversed, negative reading. Because a voltmeter has a high resistance it draws very little current, and the circuit behaves almost as if it were not there. Keep the source at or below 20 V DC.
What a 0.01 V Resolution Shows
Small differences become visible: the drop across each of two resistors in series, or the fall in a cell’s terminal voltage when a lamp is switched on. Subtracting the on-load reading from the open-circuit reading gives the voltage lost inside the cell, and dividing that by the current gives its internal resistance.
Related Meters
- Ammeter — digital DC ammeter to read with this meter for Ohm’s law.
- Digital Multimeter — voltage, current and resistance on one rotary dial.
- DC Power Supply — continuously adjustable DC source for setting the voltage.
Other meters for electricity work are in Physics Lab.
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Last updated: 26 October 2026
