Correct Use of Multimeters: Are You Doing It Right?

① A good habit when using a multimeter is to check the dial setting before each measurement. Developing this habit will greatly reduce the chance of burning out the meter. ② Choose a range that keeps the pointer indicating around two-thirds of the full scale for more accurate readings. If you do not know the … Read more

Multimeter Usage Tips: Top 10 Applications

New friends click on the blue text “Mechanical Industry Press E Vision” to follow 1. Identifying the Start and End of Motor Windings with a Multimeter When the six output terminals of a three-phase asynchronous motor are lost or unclear, or when the windings are rewound, it is necessary to determine which two output terminals … Read more

How to Measure Current with a Multimeter

A multimeter is an instrument that can measure various parameters, such as alternating current (AC) or direct current (DC) voltage, AC or DC current, resistance, temperature, capacitance, and more. Modern digital multimeters have adopted digital and logic technologies, becoming smaller in size and featuring more built-in functions. By introducing digital technology, digital multimeters can provide … Read more

How to Use a Multimeter for Low Voltage Electrician Certification Practical Exam

Search on WeChat Jicheng Training 1. The multimeter is divided into analog and digital multimeters. As shown in the figure below, the left image is an analog multimeter, and the right image is a digital multimeter. 2. The function of the multimeter is to measure AC voltage, DC voltage, DC current, resistance, and other multifunctional … Read more

Understanding Industrial True RMS Digital Multimeters in 1 Minute

In the modern industrial field, precise measuring tools are crucial for ensuring production safety, improving product quality, and achieving efficient operations. The industrial-grade true RMS digital multimeter, as a key tool in the field of electronic measurement, has gradually become an essential tool for electronic engineers and electricians due to its multifunctionality and high precision. … Read more

5 Essential Tools for Electricians: Do You Really Know How to Use Them?

Click the blue text above to follow our official account 1 Multimeter The multimeter can measure direct current, direct voltage, alternating voltage, and resistance. Some models can also measure power, inductance, and capacitance, making it one of the most commonly used instruments by electricians. 1. How to Use the Multimeter (1) Ensure the terminal (or … Read more

Comprehensive Guide to Multimeters

A multimeter is a multifunctional portable electrical measuring instrument with multiple ranges, mainly categorized into analog multimeters (see Figure-1) and digital multimeters. Among them, analog multimeters are suitable for measuring voltage, current, and resistance in high-power circuits, and can determine the quality of components such as diodes, transistors, thyristors, and electrolytic capacitors, as well as … Read more

How to Read the Digits on a Digital Multimeter?

In electronic measurements, the digital multimeter (DMM) is a favorite among many electronic engineers. Without a digital multimeter, projects cannot be completed. However, when first learning to use a digital multimeter, it is easy to misunderstand how to read its digits. Let’s learn how to read it! 1. Integer Digit Count Definition: The digits that … Read more

Basic Skills for Science Teachers: A Step-by-Step Guide to Using Multimeters

Comprehensive Resources for Primary School Science Public Account: Primary School Science Network Micro Lesson Collection Digital Textbooks Teaching Materials and Lesson Plans Selected Exam Papers Special Grade Teachers Qingdao Science Su Education Edition Science Science Experiments Activity Manuals Teaching Plans Experiment Plans Science Clubs Experiment Videos Mind Maps Resource Collections First Grade Resources Second Grade … Read more

Understanding Universal Insulation Testers in 1 Minute

Insulation resistance refers to the ability of electrical equipment’s insulation material to isolate current, which is an important indicator in safety testing of equipment. It can determine whether the insulator is intact, and identify defects such as moisture, insulation degradation, and insulation breakdown. Therefore, before using electrical equipment, it is essential to use an insulation … Read more