This DC moving coil galvanometer has a center-zero range of 30-0-30 mA with 20mA sensitivity and ±2.5% accuracy. The square clear acrylic front cover provides a fully enclosed economical meter with a 60mm scale length, zero adjustment, and connection terminals. Overall size is 125 x 80 x 80mm. Suitable for physics and electronics laboratories detecting and measuring DC currents in either direction.