Analog scales- Analog or mechanical scales use springs to measure weight, and they display the reading on a dial. Typically, they provide less accuracy than digital scales, however, the main upside is that they don’t require batteries.

07/08/2018 · Mechanical scales, also known as analog scales, are simple weighing devices that measure the weight of an object without using any power supply. They have small pieces of springs like levers, which can affect the accuracy in the measurement of weight.