Model: HT6510C APPLICATIONS shore C is designed for various foam and sponge. SPECIFICATIONS digital durometer for shore hardness testing pocket size model with integrated probe shore hardness Standards: DIN53505, ASTMD2240, ISO7619, JISK7215 Parameters displayed: hardness result, average value, max. value Measurement range: 0-100HC Measurement deviation: 1% H Resolution: 0.1 Auto switch off With RS232C interface Operating conditions: 0 to 40 Power supply: 4* 1.5V AAA ( UM-4) battery Battery indicator: low battery indicator Dimensions: 162* 65* 38mm Weight ( not including probe) : 173g