The simple way of using the digital multimeter and common faults

Digital multimeter is using the d/a conversion principle, will be converted to digital quantity measurement, and the measuring results is displayed in digital form a kind of measuring instrument. Digital multimeter compared with pointer multimeter, has high precision, high speed, large input impedance, digital display, the accuracy of reading, the advantages of strong anti-interference ability and high measure the degree of automation, thus is widely used.