A spring scale is rather a hit or miss manual weighing device. It should be taken a a guide, rather than an exact weight.
A spring scale measures forces, such as weight or tension.
a balance that measure weight by the tension on a helical spring
You would measure weight.
Weight and/or mass
Weight
Weight
A scale.
it is used to measure the weight of an object
That would be weight.
Weight (Newtons or pounds).
Scales used to measure weight include: * Spring scale - measures the increased length of a spring as it stretches * Balance scale - uses a horizontal lever to compare unknown weights to that of known weights
An equal-arm balance.