Our range of Rubber Hardness Testers Model: HT-6510A is designed to measure the penetration hardness of rubber, elastomers and other rubber like substances such as neoprene, silicone, and vinyl. It can also be used for soft plastics, felt, leather and similar materials. Test scale : shore hardness Standards : DIN53505, ASTMD2240, ISO7619, JISK7215 Parameters displayed : hardness result, average value, max. value Measurement range : 0-100HA(HD) Measurement deviation : 1%H Resolution : 0.1 Auto switch off With RS232C interface Operating conditions : 0 to 40 Power supply : 4x1.5V AAA (UM-4) battery Battery indicator : Low battery indicator