The multimeter cannot measure the capacity of the battery. Let me explain briefly, and you will understand. The capacity of the battery refers to the total amount of electricity released when the battery is charged and discharged until it stops discharging. That is, the capacity Q= the product of current I and discharge time t.
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Multimeter, also known as multimeter, multimeter, three-use meter, multiuse meter, etc., is an indispensable measuring instrument in power electronics and other departments, generally to measure voltage, current and resistance as the main purpose. Multimeters are divided into pointer multimeters and digital multimeters according to the display mode. Is a multi-function, multi-range measuring instrument, general multimeter can measure DC current, DC voltage, AC current, AC voltage, resistance and audio electrical equality, some can also measure AC current, capacitance, inductance and some parameters of semiconductor (such as β).
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Multimeter is a kind of magneto-electric instrument with rectifier, which can measure many kinds of electrical parameters such as AC, DC current, voltage and resistance. For each electrical quantity, there are generally several ranges. Also known as multi-meter or short for multi-meter. Multimeter is composed of magnetoelectric ammeter (meter head), measurement circuit and selection switch. A variety of electrical parameters can be measured conveniently through the transformation of selective switches. The main basis of circuit calculation is Ohm's law of closed circuit. There are many types of multimeters, and they should be selected according to different requirements when used.