Assertion: rotational viscometer | /r/CapableOf | use a torsion spring
Facets:
value: to measure the torque
type: PURPOSE
Source sentences:
text: Simple rotational viscometers, also known as Brookfield type viscometers, use a torsion spring to measure the torque required to rotate a spindle in the material.
text: Rotational viscometers, also known as Brookfield type viscometers, use a torsion spring to measure the torque required to rotate a spindle in the material.