It is well known that ordinary mechanical scales use the principle of leverage, so what is electronic scale? The so-called electronic scale is a scale that uses the principle of electromagnetic force or electromagnetic torque balance to carry out weighing. Its accuracy and stability are high. In addition, the electronic scale is also equipped with an LCD liquid crystal display with accurate and clear readings. Electronic scales are precision electronic instruments, which are susceptible to errors caused by external environmental factors. Therefore, we have to find out the sources of these errors, so as to reduce the errors and obtain more accurate results. Let’s briefly analyze the sources of errors of the electronic scales. .

Error source of electronic scale:

1. Device error

The standard measuring tool used to reproduce the standard value in a fixed form, the instrument or meter used in the measurement, and the vicinity of the instrument and auxiliary equipment inevitably contain errors.

2. Environmental error

Due to the inconsistency of various environmental factors with the required standard status, errors caused by changes in the measuring device and the measured itself, such as temperature, humidity, air pressure (causing disturbances in various parts of the air), vibration, electromagnetic field, light, etc. Error. Generally, the indication error of electronic scale instruments under specified conditions is called basic error, and the error caused by use beyond this condition is called additional error.

3. Method error

There are many kinds of method error, such as the error caused by the approximate measurement method; another example is to measure the diameter d of the round shaft by measuring its circumference s, and then using the calculation method. The different values ​​will cause errors. Errors caused by incorrect measurement methods, such as incorrect installation and use of measuring instruments. Method errors also include errors caused by incorrect measurement principles.

4. Personnel error

Because the measurer is limited by the resolution, the errors caused by the physiological changes of the visual organs, the reaction speed and inherent habits caused by work fatigue, and the errors caused by the momentary negligence of the mind.

If you want to know more, you can click on the link below: digital electronic scales.