Digital multimeters are the most basic testing tool for electronic enthusiasts. A good digital multimeter not only can measure all kinds of electrical parameters, but also is a good assistant for electronic enthusiasts to troubleshoot and repair electrical appliances.
1, accuracy. The accuracy of digital multimeter directly affects the accuracy of measurement results.
2, first of all, it should check whether the case is in good condition, whether the switch and the button are normal and feel good.
3, when digital multimeter is purchased, the measurement function of digital multimeter can be confirmed by measuring the known quantity.