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On the most basic PCB, the parts are concentrated on one side and the wires are concentrated on the other side. Because the wires only appear on one side, this type of PCB is ca...

​A printed circuit board, also known as a printed circuit board, is a provider of electrical connections for electronic components. The printed circuit board is mostly represent...

​The basis of PCB board production is the film negative. When making a film plate in the early days, it was necessary to first make a film base map, and then use the base map fo...

​The level of PCB engineering production can reflect the design level of the designer, as well as the production process capability and technical level of the printed board manu...

​Circuit board repair is an emerging repair industry. The degree of automation of industrial equipment is getting higher and higher, so the number of industrial control boards i...

​Smart meters use the design of electronic integrated circuits, so compared with inductive meters, smart meters have great advantages in terms of performance and operational fun...

Measurement and storage functions. It can measure single and two-way active and reactive energy in various time periods; it can complete the measurement and display of current p...

Long-life electric energy meter. The life of a mechanical energy meter in normal use mainly depends on the degree of wear of its lower bearing.

​When the electric energy meter is connected to the circuit under test, alternating current flows through the current coil and the voltage coil, and the two alternating currents...

Electric energy meters can be divided into DC electric energy meters and AC electric energy meters according to the circuits they use.