The scale connects to a computer which calculates the test weight of the grain in kilograms per hectolitre (kg/hL) from grams weighed by the scale.
(The scale; connects; ) (a computer; calculates; the test weight of the grain; from grams) (grams; weighed; by the scale)
The scale a computer grams
connects calculates weighed
the test weight of the grain from grams
by the scale