Battery model for multimeter

Introduction The battery types used by the multimeter are regular #2 batteries and 9V laminated batteries. According to the multimeter battery encyclopedia, the battery models used by multimeters are regular #2 batteries and laminated batteries 9 V. multimeter

Battery model for multimeter

No. 2 ordinary batteries and 9 V laminated batteries. According to the multimeter battery encyclopedia, the battery models used by multimeters are ordinary No. 2 batteries and 9 V laminated batteries. The multimeter, also known under the name of multiplex meter, multimeter, three-purpose meter, multimeter, etc., is an indispensable measuring instrument in power electronics and other departments. It is generally used to measure voltage, current and resistance as the main purpose.

Measuring the capacity of a lithium battery is not the strong point of a multimeter. The definition of capacity is the total amount of electricity once the battery is fully charged and discharged until it stops, i.e. Q=I*t (the product of current I and discharge time t). For accurate measurement of lithium battery capacity, a dedicated battery tester is a more suitable device.

A multimeter, as a multifunctional electrical measuring tool, can measure multiple parameters such as current, voltage and resistance, and can meet different needs by changing different ranges. It is mainly composed of an ammeter, a measuring circuit and a selector, and can be adapted to measure a variety of electrical quantities.

When using a multimeter, you should pay attention to the following points: Firstly, a mechanical zero adjustment should be carried out before use to ensure that the pointer is at zero when there is no has no power. Second, avoid direct contact with the metal parts of the test leads to ensure both measurement accuracy and safety. Measurements should be avoided when changing speeds, especially when dealing with high voltages or large currents. When measuring, the multimeter should be kept horizontalment to avoid magnetic field interference, and the battery should be removed when not in use to prevent the battery from corroding the internal components.

In short, although multimeters are widely used in daily electrical measurements, for professional needs such as measuring the capacity of lithium batteries, special testing instruments are more professional and more accurate .

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