The document describes the Eutech 2700 series of bench meters for measuring pH, ORP, ION, conductivity, TDS, salinity, resistivity, dissolved oxygen, and temperature. The meters feature a backlit display, temperature display, memory storage, calibration reports, detachable electrode holders, and more. They are compact, durable, and have large displays. The document provides details on specific models for pH, ION, and conductivity measurement and their applications in educational and laboratory settings.