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The device works with both ultrasonic contact impedance (UCI) and dynamic (Leeb) probes. User get the benefits of two methods of measurement âï¿½ï¿½ it is the maximum that can be obtained from a portable hardness tester. Dynamic (Leeb) probe is used for measuring the hardness of non-ferrous metals, cast iron, coarse-grained materials, massive products etc. The ultrasonic contact impedance (UCI) probe is used for measuring the hardness of small items, objects with a thin wall, complex form, and to measure the hardness of surface hardened layers. Combined Hardness Tester specifications: UCI probe types - 1kgf (10N) 2.2 lbf, 5kgf (50N) 11lbf, 10kgf (98N) Leeb probe types - D, DC, DL, C, D+15, E, G Indenter - Diamond Indenter (UCI), Hardened ball (Leeb) Measuring direction - Any direction 360Â° Data storage - Limited only by the memory card Measurement hardness range: Rockwell, HRC - 20 - 70 Brinell, HB - 90 - 450 Vickers, HV - 230 - 940 temporary resistance (tensile strength), MPa - 370 âï¿½ï¿½ 1740 Measuring accuracy - HV+ / - 3%; HRC+ / - 1,5%; HB+ / - 3%; Hardness scale - HRC, HB, HV, MPa Operating temperature range, Â°C - -20 to +50 Power supply - 2 AA batteries Instrument dimensions - 120x60x25 mm Weight of electronic unit with batteries - 0.2 kg (without probes) Battery life - Not less 20 hours Standard set of Hardness Tester âï¿½ï¿½ Electronic unit, UCI probe, Leeb probe, 2 batteries AA, Charger, USB cable, Operating manual, Software for PC, Case.