1309-31 Projection Ammeter -100mA, 0, 500mA, and -500mA, 0, 2.5
The electric meters for overhead projectors are the most useful tools for teaching electricity concepts to large classes. The fully functional electric meters are built in transparent cases so they can easily be projected in classroom environments. Each unit incorporates dampening features, magnetic shielding, and an accuracy of + or - 2.5%. A well-written instruction sheet offering a number of suggested uses is included.
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