The composition of the multimeter
The multimeter consists of three main parts: the meter head, the measuring circuit and the transfer switch. The multimeter is the most basic tool in the field of electronic testing, and it is also a widely used test instrument. Multimeters are also called multimeters, triple meters (A, V, Ω, i.e. current, voltage, and resistance), multiplex meters, and universal meters. The multimeters are divided into pointer multimeters and digital multimeters. The oscilloscope multimeter is a multi-functional and multi-range measuring instrument. General multimeters can measure DC current, DC voltage, AC voltage, resistance and audio level, etc., and some can also measure AC current, capacitance, inductance, temperature and some parameters of semiconductors (diodes, triodes). Digital multimeters have gone mainstream and have replaced analog meters. Compared with analog instruments, digital instruments have high sensitivity, high accuracy, clear display, strong overload capacity, easy to carry, and more convenient and simple to use.
