What is a multimeter? A multimeter, also known as a multi-tester, volt/ohm meter, is a versatile measuring instrument that can be classified into analog and digital types. It is a multifunctional, multi-range measuring device that can generally measure DC current, DC voltage, AC current, AC voltage, resistance, and audio levels. Some models can also measure … Read more
1. Appearance of the Multimeter. A multimeter is an instrument used to measure parameters such as voltage, current, and resistance. There are two types: analog and digital, and its appearance is shown in Figure 1. Figure 1 Multimeter 2. Preparation Before Using the Multimeter. (1) Place it Horizontally. Place the multimeter horizontally. (2) Check the … Read more
The multimeter, also known as a multitester, is a multifunctional measuring instrument. Generally, a multimeter can measure DC current, DC voltage, AC voltage, resistance, and audio levels. Some can also measure AC current, capacitance, inductance, and parameters of semiconductors. It is a simple and practical measuring instrument. Nowadays, the most mainstream multimeters are digital multimeters, … Read more
Correctly using a multimeter can quickly and accurately identify faults, and prevent damage to both electrical devices and the multimeter itself. 1. Check Range Before Measuring Every time you pick up the probes to measure, always double-check whether the measurement category and range selection switch are set correctly. For safety, this habit must be developed. … Read more
Appearance of Multimeter A multimeter is an instrument used to measure parameters such as voltage, current, and resistance. It comes in two types: analog and digital, as shown in Figure 1. Figure 1 Multimeter Preparation Before Using the Multimeter (1) Place it horizontally. Position the multimeter horizontally. (2) Check the needle. Check if the multimeter … Read more
Editor’s Note: This article is primarily compiled from Keysight’s related content on probes. Oscilloscopes have expanded their application range due to the existence of probes, enabling online testing and analysis of the electronic circuits being measured, as shown in the figure below: Function of Oscilloscope Probes The selection and use of probes need to consider … Read more
“The FFT function on an oscilloscope is a tool that provides a frequency domain view of signals. Understanding how the FFT function on the oscilloscope can bring digital and RF designs to market.” How to Access FFT on Keysight Oscilloscopes The FFT menu includes options for selecting the type of FFT spectrum calculation, allowing you … Read more
Click on the above ” Technical Training “, select “Pin to Top Public Account” Over 110,000 industrial control professionals follow this WeChat platform: Technical sharing, learning exchange, industrial control videos Steps to Use an Oscilloscope: Using an oscilloscope, you can observe the waveform curves of various electrical signals’ amplitudes changing over time. Based on this, … Read more
This article will introduce the types and uses of various probes. What is a probe: An oscilloscope is the most commonly used measuring instrument by electronic engineers, and the oscilloscope probe is undoubtedly the most commonly used accessory for the oscilloscope. The oscilloscope probe is the electronic component that connects the measured circuit to the … Read more
The oscilloscope is one of the most versatile tools in the toolbox of electronic engineers and enthusiasts. It converts voltage signals into waveforms that change over time, allowing users to observe related information such as signal frequency, amplitude, and noise. Modern Oscilloscopes Almost all application electronics, electrical laboratories, or workbenches have an oscilloscope, and many … Read more