Potentiometer Slide Wire Type Alum Base

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The Potentiometer Slide Wire Type Alum Base is an effective and precise instrument for measuring small voltages in electric circuits. When used with a Galvanometer, a change-over s witch, a 4V or 6V battery, and a Standard Cell or Voltage Reference, it is a key tool for teaching about electricity. Both models have a construction that includes an aluminum channel base to prevent warping and cracking compared to wood. A metric rule is placed below two lengths of 'Advance' wire, which maintains a consistent resistance regardless of temperature. To ensure precise contact with the wire, a 'Jockey' is included and the exact contact point can be measured in millimeters on the rule. Brand: IEC Read Instruction Sheet Product Code Wire Size Weight Dims (lwh/mm) SE.EM2450-001 1m 1.8 kg 1040 x 100 x 50mm SE.EM2451-001 500mm 1.1 kg 540 x 100 x 50mm Show more