A versatile demonstration meter that can be converted from a Voltmeter to an Ammeter on either A.C. or D.C. by the use of interchangeable dials (sold separately: see below). Each dial fits through a slot in the side of the case and connects through four fixed 4mm sockets. The meter operates using a moving coil galvanometer housed within a plastic case allowing all working/moving parts to be observed through either side of the meter. Scales are marked on both sides making this unit ideal for class demonstration.Versatile meter that can show A.C. or D.C.Highly sensitive moving coil galvanometer with accuracy of ± 2.5%Scale on both sides of the dial for class demonstrationEasy observation of working partsBasic sensitivity of meter is 5 mA 100 mV f.s.dDimensions: (W)300mm x (H)300mm x (D)150mmDials are not included. A range of dials for the Interscale Demonstration Meter are available to purchase separately:0 - 10mA d.c. - B8L159700 - 1A d.c. - B8L159940 - 10A d.c. - B8L160070 - 1V d.c. - B8L160195 - 0 - 5V d.c. - B8L160320 - 15V d.c. - B8L160200 - 10A a.c. - B8R068110 - 15V a.c. - B8L160790 - 300V a.c. - B8L16081