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
1 Hello today! The digital multimeter can measure DC and AC voltage, DC and AC current, resistance, capacitance, frequency, batteries, diodes, etc. The overall circuit design is centered around a large-scale integrated circuit dual-slope A/D converter, equipped with a complete overload protection circuit, making it a superior performance tool and one of the essential tools … Read more
Digital multimeters have always been essential measuring instruments for production testing engineers, R&D engineers, and electrical maintenance personnel. It is important to understand how to choose a suitable multimeter. This article will detail the options that are often overlooked when selecting a multimeter, as well as the types and selection of multimeter probes. Factors Often … 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
A multimeter, also known as a multi-tester or volt/ohm meter, is a multifunctional, multi-range measuring instrument. It is the most basic tool in the field of electronic testing and is widely used; it is a measuring tool that personnel in the electronics industry must master. Multimeters are divided into pointer and digital types. A typical … Read more
1. Measuring Capacitor Health with an Analog Multimeter To measure the health of a capacitor, it is best to use an analog multimeter as it provides a more intuitive reading. Here, we will use an analog multimeter to illustrate how to measure a capacitor’s health. First, to measure the capacitance, set the multimeter to the … Read more
1. Basic Working Principles of Multimeters “Multimeter” is short for multimeter, which is an essential tool in our electronic production. Multimeters can measure current, voltage, resistance, and some can also measure transistor amplification, frequency, capacitance, logic levels, and decibel values. There are many types of multimeters, with the most popular being analog and digital multimeters. … Read more
Click “Mechanical Industry Press E Vision” for quick follow-up A multimeter is a magnetic-electric instrument equipped with a rectifier that can measure various electrical parameters such as AC and DC current, voltage, and resistance. Some models can also measure key parameters of transistors and capacitance. Mastering the use of a multimeter is one of the … Read more
Click the above↑↑↑『Electrical Engineering Knowledge Learning』Follow this public account to join the WeChat group for free technical consultations Articles You May Like How to Convert Three-Phase Power to 220V and Create a Neutral Wire Over 60 Brands of Frequency Converter Passwords, Internal Materials Recommended to Keep Collect the Most Comprehensive Electrical Engineering Mnemonics, No Need … Read more
1. Understanding the MF47 Multimeter 2. Explanation of the MF47 Multimeter Scale Serial No. Name Function 1 Ω Resistance Scale Used to read resistance values 2 –(DCV) ～(ACV) AC and DC Voltage Scale Used to read AC and DC voltage values 3 AC 10V Scale(Red Line Scale) Specifically for reading AC voltage values less than10V … Read more