The 900 Series Monitor/Controller from Myron L Company combines flexibility, accuracy and reliability. Its 3.5-inch resistive touch screen and intuitive graphical user interface make it simple to use. Measurement capabilities include conductivity, resistivity, salinity, TDS, pH, ORP, temperature, mV, flow, and percent rejection. It includes a 4-20 mA input and a variety of outputs, including 0- to 10-volt DC recorder output, relay output, alarm output, and optional outputs for 4-20 mA, RS-485, two additional relays, and an additional alarm output. 760/438-2021; www.myronl.com; Booth 8305.