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Electric Meters for Overhead Projectors
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* | Electric Meters for Overhead Projectors
These fully functional electric meters are built in transparent cases so that they can easily be projected for classroom education. Each unit incorporates dampening features, magnetic shielding and an accuracy of + or - 2.5%. 4"x4.5" 4.3oz #1309-30 Voltmeter -0.5v-0-2.5v, -2v-0-10v, #1309-31 Ammeter -100mA,-0-500mA, -500mA-0-2.5A #1309-32 Galvanometer -300uA-0-300uA |
