Factory owned by government HV,HB,HRC,HRB,HRA,HS RS232 interface, USB to PC Data store 600 group Rechargeable Li-Ion battery Digital Portable Leeb hardness tester SHT-300 Features:Customaries curve for a specific testing material.Seven impact devices are available for special application.Automatically identify the type of impact devices.LCD display of 128×32 matrix is used.Hardness scales(HV ,HB, ...