Yusuf Ali Translation:
7. And the Firmament has He raised high and He has set up the balance (of Justice)
8. In order that ye may not transgress (due) balance.
9. So establish weight with justice and fall not short in the balance.
M. Pickthall Translation:
7. And the sky He hath uplifted; and He hath set the measure,
8. That ye exceed not the measure,
9. But observe the measure strictly, nor fall short thereof.