Sauter hd series shore hardness testers sauter hda 100 1 the sauter hda 100 1 shore hardness tester is designed to determine the indentation hardness of materials like soft vulcanized rubber natural thermoplastic elastomers flexible polyacrylics and thermosets wax felt and leathers and produces a hardness value between 0 and 100 sauter hda 100 1 shore hardness meter 100 ha 10