LX-A rubber Hardness Tester is an instrument for measuring the hardness of vulcanized rubber and plastic products, and implements the relevant provisions of GB527, GB531 and JJG304 standards. The Hardness Tester device can measure the standard hardness of rubber and plastic standard specimens in the laboratory on the same type load measuring rack of the same type produced by the supporting production. It can also be used to measure the surface hardness of rubber (plastic) objects mounted on the equipment by holding the Hardness Tester head.