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Our variety of thermometers, weight sets, tape measures and measurement STEM kits make teaching measurements in the classroom easy. Sonic Supply stock products which are sure to give accurate results with every use. Shop for kits that are focused on learning to measure to building and designing batteries. Browse our full range below.

Globe Scientific and United Scientific Supplies make up all the products on this page. Both of these companies have years of experience in manufacturing high quality measuring equipment that you can rely on.

What is a calibration weight?

A calibration weight is a specifically designed weight used to calibrate weighing scales and balances to ensure they remain consistent and accurate. They are commonly made from stainless steel, cast iron and brass, although a variety of other materials can be used.