The modular X80 universal transmitter and S88 intelligent sensors from Electro-Chemical Devices include a sealed barrier design with heavy-duty construction for reliable measurement of pH, ORP, DO, turbidity and conductivity. The Model X80 is available in single- or dual-channel for continuous measurement with standard Modbus or optional HART digital communication and three optional alarm relays. The Model X80 communicates with any Model S88 sensor, automatically configuring menus and display screens to the desired measurement parameter. The X80 and S88 include 316 stainless steel housing and a large, sealed display. 800/729-1333; www.ecdi.com