A digital multimeter is a commonly used electronic instrument in electrical measurements. It has many special functions, but its main functions are to measure voltage, resistance, and current. How to measure voltage, resistance, and current with a digital multimeter? 1. Measuring Voltage: The most basic function of a digital multimeter is measuring voltage. A typical … Read more
Four Techniques to Use a Digital Multimeter Effectively 1. Determine if a Circuit or Device is Live The AC voltage range of a digital multimeter is very sensitive, capable of displaying even small induced voltages. Based on this characteristic, it can be used as a test pen. The method is as follows: set the multimeter … Read more
Click the blue text above to follow us Hello Dear students Our Dou Classroom is back ~ Welcome to this episode So this is how to measure AC and DC voltage with a pointer multimeter! If you can’t watch the video for now, don’t worry! The complete wiring connection steps are right below Want to … Read more
A clamp multimeter is composed of a current transformer and a current meter. The core of the current transformer can open when the lever is squeezed; the wire carrying the current to be measured can pass through the gap of the opened core without being cut. When the lever is released, the core closes. A … Read more
A clamp multimeter is composed of a current transformer and a multimeter. The core of the current transformer can open when the clamp is squeezed; the wire through which the measured current flows can pass through the gap in the opened core without needing to be cut. When the clamp is released, the core closes. … 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
A digital multimeter, a versatile electronic measuring instrument, typically includes functions such as an ammeter, voltmeter, and ohmmeter. It is sometimes referred to as a multitester, multi-tester, multimeter, or three-in-one meter. 1. Buzzer Test Before using the multimeter, perform a buzzer test to ensure the multimeter is functioning properly. Connect the red probe to the … Read more
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
An oscilloscope is a commonly used measuring instrument, primarily used to detect various electrical signals, with applications in fields such as power, electronics, medicine, scientific research, and military. Do we understand the methods and precautions for measuring voltage with an oscilloscope? Below, I will introduce the methods and precautions for measuring voltage with an oscilloscope … Read more
EtherCAT Measurement Terminal Module ELM3002-0205 Enables High Voltage Measurement High precision and reliable measurement of automotive batteries, generators, and motors, with a maximum voltage of 1000 V The EtherCAT Measurement Terminal Module ELM3002-0205 is designed for high voltage measurement of batteries, generators, and motors. It supports ±60、±120、±500 and ±1000 V measurement ranges, making it particularly … Read more