Quick Answer: Scales, Interchangeable, for Demonstration Meters are slide-in scale plates that let one large demonstration meter read as an ammeter, voltmeter or galvanometer. They fit demonstration meters of 150mm - 300mm.
Last updated: October 2026
Key Features
Modular scale inserts for 150mm - 300mm demonstration meters
Ranges in mA, A, mV, V and galvanometer (G), including centre-zero versions
Changing the scale plate turns a single demonstration meter into the instrument a lesson needs, from a milliammeter for a simple circuit to a centre-zero galvanometer for induction. The large printed figures can be read from the back of a classroom. The Scales, Interchangeable, for Demonstration Meters can be supplied on export terms to Saint Vincent and the Grenadines, Lebanon, Senegal, France, Tanzania and Yemen.
Frequently Asked Questions
Which scales are available for the demonstration meters?
Scales are available for mA, A, mV, V and galvanometer readings, including centre-zero configurations.
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