Rubber hardness tester measures the hardness of rubber and other elastomers. It measures the depth to which a spring-loaded probe penetrates a sample in order to function. The material's hardness is then calculated by comparing the depth to a chart. Rubber's resistance to scuffing, abrasion, and distortion is measured by its durometer, which may be found out using the rubber hardness tester. Also, it is employed to gauge the shore hardness of substances like silicone and neoprene.