Safety Precautions

Symbols, Measurement Ranges, and Key Parameters of Multimeters

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Symbols, Measurement Ranges, and Key Parameters of Multimeters

All multimeters are equipped with a dial on the front, which not only has several scales corresponding to various measurement items but also includes various symbols, scale lines, and values, as shown in the figure. Correctly reading and understanding these symbols is fundamental to effectively using a multimeter. Letter Symbols and Their Meanings on Multimeters … Read more

How to Use a Multimeter to Measure Voltage

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How to Use a Multimeter to Measure Voltage

The measurement process of a digital multimeter involves converting the measured value into a direct current voltage signal through a conversion circuit, then converting the analog voltage into a digital quantity via an analog-to-digital (A/D) converter. The result is then counted by an electronic counter and displayed directly on the screen as a digital readout. … Read more