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A demonstration meter and may be converted to an A.C. Or D.C. Voltmeter or Ammeter with selection of ranges for each mode of operation by using one of a series of interchangeable dials which fit through a slot in the side of the case. The movement, comprising a high grade moving-coil galvanometer, is housed within a robust, plastic case and all the working parts are clearly visible through the front and rear glass panels. Scales are marked on both sides of each dial. A zero adjustment permits instrument to be used for centre working. Accuracy 2.5 F S.D. Dimensions: 320x140x305mm high approx. Supplied without scales
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