DM3068,DM3058,DM3058E Digital multimeters are the products designed with multi-functions, high-precision, high performance and automatic measurements, they are integrated with the features of high-speed data acquisition, high precision,high statability, support any type of sensors, complete interfaces. They are the first DMMs in the market which equipped with a high-resolution monochrome 256x64 dot matrix LCD display. So that, they could show not just digits, but also the measurement results with trend cuvre, histogram for the deep analysis. Complete interface includes RS-232, USB, LAN(LXI-C) and GPIB, they support the U disk storage. It's easy to be connected to the PC by the USB or LAN. The concise front panel keyboard layout with back lighted buttons, and online help make the operation very flexible, and user-friendly. They have been optimized for the production line automatic measurements with the PASS/FAIL control, unified power management, pre-programmed configurations, configuration setup cloning, fast measurement speed and noise immunity to improve the productivity. DM3068，DM3058，DM3058E are widely used in the areas of Research, Production line tests, Education, Quality Assurance, Service/Maintenance, etc.