... 2. Specimen to allow a maximum height: 240 mm 3.Power supply: 220 volt HB-3000C Electronic Brinell hardness tester ... degree microscope measurement system testing process automated, unmanned operation error The large LCD screen, menu, smart tips, easy ... accuracy in accordance with GB/T231.2 ISO6506-22. Range of applications determination of the Brinell hardness of ferrous metals, non-ferrous metal ...