Galvanometer, EDSPOT
Product Code : SCL-MBAVTOB-11912
Quick Answer: The Galvanometer, EDSPOT is a reflecting-type taut-band galvanometer with a built-in projection lamp and a 150 mm translucent dual scale, used as a null detector in bridge and potentiometer circuits. Its nominal sensitivity is 0.1 µA per mm.
Last updated: October 2026
Key Features
- Taut-band suspension moving coil movement
- Built-in projection lamp and reflecting mirror
- 150 mm translucent dual scale
- Nominal sensitivity 0.1 µA per mm
- Internal resistance 100 ohm or 600 ohm, depending on variant
- Lamp runs on 220–240 V AC, 50 Hz
Technical Specifications
| Specification | Value |
|---|---|
| Movement | Taut-band suspension, moving coil |
| Optical system | Projection lamp and reflecting mirror |
| Scale | 150 mm, translucent, dual scale |
| Sensitivity | 0.1 µA per mm (nominal) |
| Internal resistance | 100 ohm / 600 ohm (by variant) |
| Housing | Engineering plastic / die-cast alloy |
| Lamp supply | 220–240 V AC, 50 Hz |
About This Product
A light-spot galvanometer replaces the pointer with a beam of light reflected from the coil mirror onto the scale, so very small currents give a visible movement. It is used to find the balance point in Wheatstone bridge and potentiometer experiments and to measure low currents. Enquiries from Niger, Gabon, Afghanistan, Brazil, Kuwait and Kazakhstan for the Galvanometer, EDSPOT receive an export quotation.
Frequently Asked Questions
What power does the Galvanometer, EDSPOT need?
The projection lamp runs from a 220–240 V AC, 50 Hz supply.
What is the Galvanometer, EDSPOT used for?
It is used for null-point detection and for measuring low currents in Wheatstone bridge and potentiometer circuits.
Related: Meter Bridge and Various Type of Bridges, Ballistic Galvanometer and Moving Coil Meter, Rectangular Dial, Front Terminal (Ammeters, Milli-Ammeters, Micro-Ammeters, Voltmeters and Galvanometer).
For a quotation on the Galvanometer, EDSPOT, contact Educational Instrument.
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