Factory owned by government HV,HB,HRC,HRB,HRA,HS RS232 interface, USB to PC Data store 600 group Rechargeable Li-Ion battery Digital ... used.Hardness scales(HV ,HB,HRC,HRB,HRA,HS).RS232 interface and USB to PCMax 600 groups(impact times:32~1)of data ... can be read out directly when D/DC impact device is used to measure “cast steel” workpiece. Rechargeable Li-Ion battery with ...