Overview: MH320 portable Leeb hardness tester based Leeb hardness measuring principle, can quickly and easily measure a variety of metal materials, instantly display while hardness measurements can be made in a variety of hardness's (Brinell HB, HRC Rockwell Vickers HV, Shore HS) conversion between freedom, tolerance limits can be set in advance, out of range alarm. The product is the host and high-speed thermal mini-printer integrated design, imported high-speed printer core support with instant printing capabilities, import long Paper to ensure long-term efficiency of data storage. Low-power IC design of integrated circuits rely on stable, standard high-capacity, long life, high speed rechargeable NiMH battery pack. All Chinese display, menu operation is simple and convenient, seven kinds of special-shaped impact device without calibration, automatic identification, USB interface transfer, mass storage, along with the PC user-friendly data processing software.