How to Use a Multimeter to Check if a Motor is Burned Out?

How to Use a Multimeter to Check if a Motor is Burned Out?

How to use a multimeter to check if the water pump motor coil is burned out? To determine the quality of the motor, three conditions must be measured: the absence of open circuits and short circuits between the coil windings, and the insulation resistance. First, check whether the motor is a three-phase motor or a … Read more

Disassembling the Vintage MF500 Multimeter from Shanghai

Disassembling the Vintage MF500 Multimeter from Shanghai

Breadboard Community Disassembly Event, Drones, Handheld Oscilloscopes、 Computers、 Vacuum Robots、 Smart Watches、 Solid State Drives、 Portable Speakers, Many Prizes, Lots of Benefits, Welcome to Join!More Details👈 【Disassembly】+ Have Any Engineers Used a Pointer Multimeter? Today I Will Disassemble an MF500 External Magnetic Multimeter Author: ecoren, Source: Breadboard Community【Write Disassembly, Send Drone Event】 We are the … Read more

How to Use a Digital Multimeter for Electrical Certification

How to Use a Digital Multimeter for Electrical Certification

Digital measuring instruments have become mainstream due to their high sensitivity, accuracy, clear display, strong overload capacity, portability, and ease of use. The digital multimeter is relatively simple as a measuring instrument. Today, I will teach you the correct usage of a digital multimeter. We will start with measurement methods for voltage, resistance, current, diodes, … Read more

Correct Use of Multimeters: Are You Doing It Right?

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

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

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

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

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

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

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

Which Brand of Multimeter is Good? Check Out My Collection of 20 Models

Which Brand of Multimeter is Good? Check Out My Collection of 20 Models

Author: David Ashton My old friend Max wrote an article titled “What is the Best Travel Tool?” which reminded me of the multimeters I have owned, currently own, and wish to own in the future. These multimeters range from simple, inexpensive analog meters to high-quality Flukes. In the realm of digital multimeters, especially handheld ones, … Read more