Product synopsis Application: shore A 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. Shore D is designed for plastics, Formica, Epoxies and Plexiglass. Model: HT6510A HT6510D Product info: digital durometer for shore hardness testing pocket size model with integrated probe 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 Dimensions: 162x65x38mm Weight (not including probe):173g