YSI, a Xylem brand, has announced the addition of another meter to its line of Professional Series instruments. The YSI Pro1030 provides ease of use in a handheld instrument for the measurement of either pH or ORP, along with temperature, conductivity, specific conductance, salinity, and total dissolved solids (TDS), YSI says. YSI engineers have included customer-friendly features into the Pro1030, such as user-replaceable pH and ORP sensors, cables and a convenient calibration. In addition, its ruggedness is backed up by military-spec connectors, IP67 waterproof and rubber over-molded case and 1-meter drop tests. A stable four-electrode conductivity cell is built into the cable, and the cells are easy to clean, requiring minimal maintenance.