Lesson for Duolingo, in English, we say those scales more frequently than that scale
Please pay attention to this course makers. This is a very frustrating unit to do revision and re-learn your bad 'correct' answers each time to pass the module.
I am weighed with that scale. No?
Yes. The Indonesian sentence can be translated into the present tense or the past tense in English.
Should accept "I was weighed with those scales", as per comment by BinginClare.