وَزِنُواْ بِٱلۡقِسۡطَاسِ ٱلۡمُسۡتَقِيمِ
And if you are using the method of weighing then you are enjoined to use an accurate and precise balance conforming to a standard and an exemplar of truth and equity
Author: Almuntakhab Fi Tafsir Alquran Alkarim