Dual Range 50/300 microAmpere DC Galvanometer with antiparallax mirrored scale. The DC Galvanometer is mounted in angled benchtop black plastic case. Meters have a scale length of 75mm offer +/ 5% accuracy. Meter has a 5way binding post and external calibrating screw (Zeroadjustment). Meter is not protected against prolonged or significant overload. Stackable for storage. Large 97mm wide analog meter for easy viewing. Antiparallax mirrored scale. Red and Black Binding posts for Banana plug or wire. Designed for educational & training purposes. SPECIFICATION Range: Terminal G0: 50uA~0~+50uA Terminal G1: 300uA~0~+300uA Accuracy: +5% Meter Impedance: 100 ohms Meter Voltagedrop at 1uA~0~+1uA Terminal G0: 30 +3mV Terminal G1: 750 +75mV Product Size: 133 x 97 x 100 mm Storage Condition: 0~40°C @ 85% RH