Measuring range
The measurement range or load capacity of the shear beam load cell refers to the difference between the lowest and highest measurement values that the load cell can measure. The measuring range of the load cell depends on the type of load cell you choose. When selecting a load cell for your application, it is important to determine the measuring range of the load cell. For each load cell, the manufacturer will provide information about the division in the specification sheet to help you determine the minimum and maximum weight that the load cell can measure.
accuracy
The accuracy of the shear beam load cell is the difference between the measured value of the test object and the true value. When the deviation between the measured value and the true value is too large, the load cell will be inaccurate. However, the accuracy of the load cell depends on many factors, such as temperature, creep, hysteresis, and repeatability. Other factors include fluctuations in the excitation voltage, the type of indicator used, and how the load cell is installed.
Resolution
For a measuring device that displays changes in output, it should first detect changes in its input. However, the ability of the measuring device to record this change depends on several factors. The resolution of the load cell is the smallest force that can realize the change in the output of the load cell. However, it is important to understand that choosing a load cell with a higher resolution does not mean that there will be better results. This only means that the load cell will be able to display the smallest measured value. For applications that do not need to record small weight changes, high-resolution load cells are worthless.
Accuracy and resolution
The accuracy of the shear beam load cell is the ability of the load cell to measure the force applied by the object to its true value. This is also the difference between the actual output and the theoretical output of the load cell. The resolution of the load cell is the smallest input change that causes the output to change. In other words, the resolution is the degree to which the smallest change can theoretically be detected. For load cells, the resolution is the smallest increment that the system can weigh. When choosing a load cell, it is important to strike the right balance between accuracy and resolution. A load cell with a higher resolution does not necessarily mean that it will provide accurate results. Similarly, a load cell with higher accuracy and lower resolution means that you will not be able to record incremental changes in weight.
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