noise interference

Why is 4-20mA Widely Used for Sensor Signal Transmission?

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Why is 4-20mA Widely Used for Sensor Signal Transmission?

In the field of industrial automation, if you have paid attention to the methods of sensor signal transmission, you will definitely notice a strange phenomenon: Why do so many sensors choose to use 4-20mA for signal transmission? What is the secret behind this? Five Major Advantages There is a lot of noise interference in industrial … Read more

What is the Difference Between Grounding and Ungrounding an Oscilloscope?

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What is the Difference Between Grounding and Ungrounding an Oscilloscope?

What is the purpose of grounding an oscilloscope? Grounding serves as the reference point for all voltage measurements, ensuring that there is a known 0V voltage point in the circuit. This is crucial for ensuring measurement accuracy, suppressing noise interference, and ensuring measurement safety. It can be observed that the power cord of a desktop … Read more