The working principle of electronic price scale

1.  Working principle:

The working principle of the electronic scale is composed of electronic components load cell china, amplifying circuit, AD conversion circuit, single-chip circuit, display circuit, keyboard circuit, communication interface circuit, regulated power supply circuit and other circuits.

2.  Use function:

Electronic scales use electronic weighing devices that integrate single point single point load cell, electronic technology and computer technology to meet and solve the "quick, accurate, continuous and automatic" weighing requirements put forward in real life, and at the same time effectively eliminate human errors. It is more in line with the application requirements of legal metrology management and industrial production process control.

3.  The electronic scale is a measuring instrument that is compulsorily verified by the state

His qualified products are the standards with the verification division value e and subdivision value D, and are products protected by the national metrology law.

4.  Workflow description:

When the object is placed on the weighing pan, the pressure is applied to the low profile load cell, the sensor deforms, so that the impedance changes, and the excitation voltage changes, and a changing analog signal is output. The signal is amplified by the amplifier circuit and output to the analog-to-digital converter. Convert it into a digital signal for easy processing and output it to the CPU for operation control. The CPU outputs such results to the display according to keyboard commands and programs. until this result is displayed.

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