In a scale with a weighing beam and an electronic digital indicator, how should the difference between two indications for the same test load be treated?

In the context of a scale equipped with a weighing beam and an electronic digital indicator, it is acceptable for the two indications of the same test load to differ as long as each meets the established tolerance limits for accuracy. This means that even if the readings are not exactly the same, as long as both indications are within the permissible range of error defined for that specific weighing instrument, they can be considered valid.

Standards for weighing instruments commonly specify tolerances to account for potential variations caused by several factors, including mechanical differences in the weighing beam and electronic signal processing in digital indicators. Therefore, recognizing that slight discrepancies can occur while still remaining compliant with tolerances effectively ensures the reliability and correctness of the measurements without necessitating immediate recalibrations or adjustments.

This principle reflects an understanding that precise measurements may naturally exhibit minor variations, and as long as these variations fall within acceptable limits, the scale is functioning correctly and providing accurate measurements for practical purposes.