I bought 175 g pack of salami which had 162 g of salami as well.

  • QTpiEnglish
    2·
    9 months ago

    Well how do we know that any scale at all is right?

    My lab has weights that get calibrated against a NIST standard annually. We use those weights to perform daily quality control that our scale is accurate (to +/- 0.01g). If the quality control fails then we recalibrate the scale.