uxcell DC 0-100mA Current Range Rectangle Panel Mount Analog Meter Ammeter Made of good quality plastic material and finished by good technology. An ammeter is a measuring instrument used to measure the electric current in a circuit. Clear and easy to read scale with analogue display and a button for fine tuning the dial. This current ammeter can be installed on the display panel and switch panel for the control system and power distribution systems. This Ammeter measures current range of DC 0-100mA with accuracy of Class 2.5. Clear and easy to read scale.