Selection of the number and range of sensors
The selection of the number of sensors is based on the purpose of the electronic weighing instrument and the number of points that the scale body needs to support (the number of support points should be determined according to the principle that the geometric center of gravity of the scale body coincides with the actual center of gravity). Generally speaking, if the scale has several supporting points, several sensors are used. However, for some special scales such as electronic hook scales, only one sensor can be used. For some electromechanical scales, the selection of sensors should be determined according to the actual situation. Number.The selection of the sensor range can be determined based on the comprehensive evaluation of factors such as the maximum weighing value of the scale, the number of selected sensors, the weight of the scale body, the maximum possible partial load and the dynamic load. Generally speaking, the closer the range of the sensor is to the load assigned to each sensor, the higher the accuracy of its weighing. However, in actual use, in addition to the object being weighed, the load on the sensor also contains the weight, tare, eccentric load, and vibration and shock loads. Therefore, when selecting the sensor range, many factors must be considered to ensure The safety and longevity of the sensor.The calculation formula of the sensor range is determined after a large number of experiments after fully considering the various factors affecting the scale body.
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