Analytical Weighing Balance are highly sensitive lab instruments designed to accurately measure mass. Their readability has a range between 0.1mg - 0.01mg. Analytical balances have a draft shield or weighing chamber to prevent the very small samples from being affected by air currents. They're meant to detect very fine increments, so the slightest vibrations or breeze can impact the results. As such, analytical balances should be used in a dedicated room with as few disturbances as possible. Analytical balances need to be monitored carefully and calibrated frequently. Most analytical balances have both automatic internal motorized calibration and calibration with external weights. You can get calibration weight sets here.
Balances and scales used in laboratories today come in various shapes and sizes. Although often used interchangeably, scales and balances have different uses. A balance compares the mass of two sets of objects, while a scale determines the mass of an object or set of objects. The most common types in use today are beam balances, spring balances, top-loading balances, analytical balances, precision scales, and moisture analyzers.
Spring balances are the simplest type, consisting of a coiled spring suspended from a fixed point with a pan at the other end. Beam balances are used to weigh solids, liquids, powders, and even animals, generally with a capacity from 610 g to 2,610 g; they are often used in classroom situations due to low cost, ease of use, and durability.
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