Material testing instruments and machines, namely, durometers; measuring and testing machines and instruments, namely, machines used to measure and test the hardness and the resistance of metal, nonferrous metal and nonmetal to plastic, compressive and tensile deformation; microhardness analyzers in the nature of microhardness testers; torsion testers; metal compression testing machines; metal hardness testing machines; plastic testing machines; metal strength testing machines; instruments for testing metals, namely, hardness testers, torsion tests, metal traction testing machines and metal compression testing machines; apparatus for measuring microhardness; metal hardness measuring machines; resistance measuring instruments; non-destructive testing apparatus, namely, hardness testers and microhardness testers; portable test apparatus, namely, portable hardness testers for ferrous, non-ferrous and plastic materials; testing apparatus for checking optical devices; sensors being measurement apparatus, other than for medical use; scanning probes, other than for medical use
Electrical and Scientific Apparatus