Leeb Hardness Tester Leeb191 SHOP NOW BUYPortable Hardness TesterLEEB191 Descriptions Features High quality metal shellLCD color screen with back-lightMeasuring hardness of all metallic materialsSoftware for PC connectionFreely switch to different hardness scales(HL, HB, HRb, HRA, HV, HS)Automatically identify 7 types of impact devices for special applicationRechargeable Li-ion battery with Low power consumption, standby time 150 hours Measuring Materials For all metallic material Technical Specification