A multimeter is a versatile measuring tool that can measure voltage, resistance, current, capacitance, and short circuits, among other functions. The usage methods of different multimeters are generally similar. By mastering the principles, one can easily understand them. Below, I will demonstrate how to use a digital multimeter. Which is better, an analog multimeter or … Read more
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For more exciting content, please click the original link at the end. A multimeter is an instrument used to measure alternating or direct voltage, resistance, and the continuity of electrical components, as well as to detect small currents in a circuit. You can use this instrument to check if there is voltage in the circuit. … Read more
1. Precautions for Using a Multimeter (1) Before using the multimeter, perform “mechanical zeroing”, which means setting the multimeter pointer to the zero voltage or zero current position when there is no measured electrical quantity. (2) During the use of the multimeter, do not touch the metal parts of the probes with your hands. This … Read more
Electricians and welders are specialized occupations, and those engaged in related work must hold a certification. Special operations certificates need to be re-evaluated every three years. One certificate per person is required, and it is valid nationwide. Exam format: personal reference, single person at a table, divided into theoretical and practical subjects, with full marks … Read more
Using a multimeter to measure circuit faults is one of our common methods. Here, I will discuss how to use a multimeter to check for circuit faults. When we check for circuit faults with a multimeter, we mainly use three ranges of the multimeter for measurement: First, use the resistance range to measure the resistance … Read more
Siemens Comprehensive + TIA Portal + EPLAN Electrical Drawing Video Recordings for Sale at Low Prices! Chuangkong Education Siemens Comprehensive Class Course Introduction A multimeter, also known as a multi-tester, is a multifunctional and multi-range measuring instrument. Generally, a multimeter can measure DC current, DC voltage, AC voltage, resistance, and audio level, and some can … Read more
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A multimeter comes in two types: one is a digital multimeter, and the other is an analog multimeter with a needle display. Regardless of the type, it generally has functions for measuring AC/DC voltage, AC/DC current, resistance, and more. Before measuring, it is essential to correctly select the measurement range of the multimeter; this is … Read more
Multimeter Usage Mnemonics 1. Check the range before measuring; do not measure without checking. Every time you pick up the probes to prepare for measurement, make sure to double-check whether the measurement category and range selection switch are set correctly. For safety, this habit must be developed. 2. Do not change the range while measuring; … Read more