There is a huge steelyard here.

这儿有一个巨大的秤。

Weigh this ring in the small steelyard.

把这个戒指在杆秤上称一称。

We need a new lifting cord for the steelyard.

我们需要给这个秤换一根新的秤纽了。

The sliding weight of a steelyard, though small in volume, may hold down a thousand catties.

明·吴承恩《西游记》三十一回：“俗语云：尿泡虽大无斤两，秤砣虽小压千斤。”

Measuring cup equipment. Screw measuring equipment. Electronic automated measuring steelyard.

量杯式计量、螺旋式计量、电子自动计量、组合秤。