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
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
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
A digital multimeter can be used to measure DC and AC voltage, DC and AC current, resistance, capacitance, frequency, batteries, diodes, and more. The overall circuit design is centered around a large-scale integrated dual-slope A/D converter, equipped with full-process overload protection circuits, making it a high-performance tool and an essential instrument for electricians. 1. Precautions … Read more
Hello everyone, in this video we will introduce the most commonly used Lissajous measurement method in X-Y mode. First, we will connect two sine wave signals with the same frequency but different phases to Channel 1 and Channel 2. After capturing the waveform, you can see that the phase difference between the two signals is … Read more
Power supply ripple testing is a crucial parameter in power quality detection, but accurately measuring power supply ripple has become a challenge for engineers. How can we overcome this problem? In fact, after searching for it thousands of times, the solution is right there in front of us. Because a DC regulated power supply is … Read more
Click the above “ Tech Training ” to select “Pin to Top Public Account” Over 140,000 industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos 1. No Light Spot or Waveform Power is not connected. The brightness knob is not adjusted properly. X, Y-axis offset knob is misaligned. The Y-axis … Read more
Please follow our WeChat subscription account “Finger Motorcycle” for the latest motorcycle maintenance and repair information. Search for ID mscmoto directly in WeChat to follow! This article mainly discusses several points that are often overlooked when using general-purpose oscilloscope probes. 1. Bandwidth This is usually marked on the probe. If the probe’s bandwidth is insufficient, … Read more
The oscilloscope measures the voltage applied to its input. In most cases, this is not an issue, but in certain situations, it is necessary to move the reference measurement plane and recalibrate the oscilloscope’s measurements. For example, if a minimum insertion loss impedance box (MLP) is used to terminate a measurement source with an impedance … Read more