This galvanometer can be used as a null indicator in DC circuits and to measure very small DC voltages and currents. Includes operating instructions. Size: 18.5cm x 10.8cm x 12.7cm. Features include:• Moving coil-type meter movement• 500-0-500-microampere measuring range• Scale graduated in 50 divisions, center zero• 2 six-way input binding posts, marked + and -• 60-ohm terminal resistance• Zero-adjustment screw• Inclined panel for easy reading and convenient stacking