What Is A Digital Multimeter?

A digital multimeter (DMM) is a hand-held electronic measuring instrument that can measure multiple electrical quantities, such as voltage (V), current (A), resistance (Ω), and continuity. The term “multimeter” reflects the ability to measure multiple quantities, and “digital” refers to the use of a digital display, as opposed to an analog display.

Digital multimeters typically consist of a compact unit with a display, two or more input terminals (often referred to as probes), and a range of measurement functions that can be selected using switches or buttons on the device. DMMs are commonly used in electrical and electronic applications, such as testing and troubleshooting circuits, measuring voltage and current in batteries and power supplies, and checking continuity in wires and other components.

DMMs offer a number of Advantages Over Analog Multimeters including greater accuracy and ease of use, and the ability to easily store and transfer measurement data.