A multimeter is a common measuring instrument for voltage, resistance, capacitance, temperature, and more. The digital multimeter is easy to operate, rich in functions, and the display screen directly shows the required measurements for DC voltage, AC voltage, DC current, AC current, resistance, capacitance, etc. Today, we will take the clamp multimeter as an example … Read more
In order to help students memorize the content of the exam questions and to ensure that they pass the initial or retest as soon as possible, we have been working hard to improve our service quality. Given the large number of low-voltage electrician exam questions and the difficulty students have in remembering them, we have … Read more
A multimeter is a magnetic-electric instrument that can measure various electrical parameters such as AC voltage, DC voltage, and resistance. By changing the knob switch, it can measure multiple electrical parameters, making it an important instrument for tractor electrical repairs. Below, we will introduce the structural features and technical usage points of pointer multimeters using … Read more
Search on WeChat Technical Training 01 Introduction to Digital Multimeters Digital measuring instruments have become mainstream because they are highly sensitive, accurate, clearly displayed, have strong overload capacity, are portable, and easier to use. ▲ Figure 1 Below, we will take this model of digital multimeter as an example to briefly introduce its usage and … Read more
How to use a multimeter? This is a small challenge for many beginners or hobbyists who have a multimeter but don’t know how to use it. A multimeter is an essential measuring instrument in the electrical and appliance industry, primarily used for measuring voltage, current, and resistance. Multimeters are classified into analog multimeters and digital … Read more
A multimeter is currently the most popular and commonly used portable measuring instrument that can perform various measurement tasks, replacing certain specialized instruments to accomplish multiple electronic and electrical measurement tasks, achieving multiple uses with one device. Classification of Multimeters Multimeters are classified into analog (pointer type) and digital types. Common analog multimeters include MF4, … Read more
Search on WeChat Electrical Engineering Learning The clamp ammeter is composed of a current transformer and an ammeter. The core of the current transformer can open when the clamp is tightened; the wire carrying the current to be measured can pass through the open gap of the core without being cut. When the clamp is … Read more
Click on the above “ Tech Training ” and select “Pin to Top Official Account” Over 140,000 industrial control professionals follow this WeChat platform: Technical sharing, learning exchange, industrial control videos A multimeter is also known as a multimeter, three-in-one meter, or multifunction meter. It is a multifunctional and multi-range measuring instrument. Generally, a multimeter … Read more
Click on the image to enlarge 1. Introduction to Multimeter 1.1 Definition A multimeter is a magnetic electrical instrument equipped with a rectifier that can measure various electrical parameters such as AC and DC current, voltage, and resistance. For each electrical quantity, there are generally several ranges. Also known as a multi-purpose meter or simply … Read more
A multimeter is a multifunctional and multirange measuring instrument that is indispensable in electronic and electrical technology. Generally, a multimeter can measure direct current, direct voltage, alternating current, alternating voltage, resistance, and audio level, among others. Some can also measure capacitance, inductance, and certain parameters of semiconductors (such as β). Based on the display method, … Read more