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

    • dlok@lemmy.world
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      9 months ago

      Yeah pretty sure these are European rules as we have the same thing in the UK. Basically the current batch needs to remain above the average weight if it drops under the target weight packs will start getting rejected until the average increases.

        • dlok@lemmy.world
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          9 months ago

          Yeah I’ve worked IT in a food production environment and am familiar with setting up the products. When we went from catch weight (price per kg) to fixed weight products like ops we got loads of calls about packs being rejected and initially didn’t understand why until reading more into how e weighing rules work. I can’t remember the specifics as it was sometime ago but only a certain percentage can be below the target weight and above T1 and a smaller percentage can be between T1 and T2 which are the fall back weights.

          https://www.gov.uk/weights-measures-and-packaging-the-law/packaged-goods

          Fortunately these rules are preprogrammed into checker weighers and weight price labellers so they setup is easy it’s just getting the weights right going into those machines with minimum giveaway (if the batch weighs more than the the pack count x target weight that is called giveaway).