Mechanical balances and scales are traditional weighing instruments that measure mass or weight using mechanical components such as springs, levers, beams, and counterweights. Unlike electronic or digital balances, they do not require a power source, making them durable, reliable, and suitable for environments without electricity.
These instruments are available in various designs, including beam balances, spring scales, platform scales, and hanging scales, to accommodate different weighing ranges and levels of precision. Mechanical balances are often preferred in laboratories, industrial settings, and commercial use where robustness, simplicity, and low maintenance are priorities.