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When a designer is maximising the weighing system's performance - accuracy, repeatability, and resolution are basic concepts.
Accuracy is how close the reading on a scale's indicator is to the actual weight placed on the scale and is usually measured against a recognised standard, such as Certified Test Weights.
Repeatability is a scale's ability to display a consistent weight reading each time the same weight is placed on the scale. You can have a repeatable system that is not accurate, but you cannot have an accurate system unless it is repeatable.
Resolution is the smallest weight change that a digital scale can detect and is measured in increment size, which is determined by the capabilities of the load cells and digital indicator.
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