[Weighing Machine] What is the working principle of the automatic weighing machine, and how does the automatic weighing machine weigh out the quantity
Automatic weighing machine, also called weighing machine, is a kind of sensor machine equipment that accurately measures the force of an object according to the load borne by the test bearing medium. The weighing machine can convert the pressure from the medium into a relative electronic signal In order to achieve the purpose of accurate measurement, the weighing machine is a machine equipment that converts the quality data signal into an electronic signal output that can be accurately measured. This is the automatic weighing machine. Automatic weighing machines are often used in production lines. They are different from ordinary electronic scales. They have powerful data statistics, fast statistics, easy operation of statistical reports, powerful classification functions, and more user-friendly, which can quickly realize various data statistics. demand. The perfect combination of weighing machine, production and sales can effectively save resources of enterprises and merchants and reduce expenses. Then what is the working principle of automatic weighing machine and how does the weighing machine weigh the quantity? The working principle of the automatic weighing machine The automatic weighing machine is composed of electronic components, load cells, amplifying circuits, AD conversion circuits, single-chip circuits, display circuits, keyboard circuits, communication interface circuits, stabilized power supply circuits and other circuits. Work flow description: When an object is placed on the weighing pan, pressure is applied to the sensor, the sensor is deformed, so that the impedance changes, and the excitation voltage is used to change at the same time to output a changed analog signal. The signal is amplified by the amplifier circuit and output to the analog-to-digital converter. Converted into a digital signal that is easy to process, output to the CPU operation control. The CPU outputs this result to the display according to keyboard commands and programs. Until this result is displayed. This is how the automatic weighing machine works. How does the automatic weighing machine weigh the quantity? The weighing machine is mainly composed of a load-bearing system (such as a weighing pan, a scale body), a force transmission system (such as a lever force transmission system, a sensor), and an indication system (such as a dial, an electronic display). Instrument) consists of 3 parts. The weighing machine should first press the counting key. Then count 50 or 100 products from the product you want to count, press the sample button, wait a few seconds, and after the data in the unit weight column is calculated, you can put all the remaining things on it, and the quantity column will display the total number. 1. The weighing machine should be calibrated every day or before each use, and the frequency of calibration can be increased if necessary. The weight used for calibration is theoretically the higher the grade, the better. Generally, the weight error should not be more than 1/3 of the maximum allowable error of the balance. 2. Normal counting: Take out a number of unknown number of similar components at random to prevent on the weighing pan, the counting electronic scale quickly displays the calculation result, and then manually verifies the accuracy of the displayed result. The verification result is 100% correct and the error is 0.3. , Unit weight storage: Press and hold the unit weight setting key for about 2 seconds and enter any number key from 0-9, the unit weight value at this time has been stored in the electronic scale (no data will be lost due to normal shutdown). In this way, counting and weighing can be carried out. What about the top? This is what the editor shared with you about the working principle of the automatic weighing machine and how the automatic weighing machine weighs the relevant content. I hope it will be helpful to everyone.
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