... Ion battery Digital Portable Leeb hardness tester SHT-300 Features:Customaries curve for a specific testing material.Seven impact devices are available ... Automatically identify the type of impact devices.LCD display of 128×32 matrix is used.Hardness scales(HV ,HB,HRC, ... management. Technical Specification: Hardness scaleHL, HB, HRB, HRC, HRA, HV, HSMemoryData memory: 48~600 groups (impact times: 32~1) ...