Teledyne Isco, Inc. is a leading manufacturer and supplier of rugged, reliable in-plant and field-portable instruments for monitoring water quality and pollution.  Isco environmental products include refrigerated and portable automatic wastewater samplers; open-channel flow meters with acoustic-doppler area velocity, ultrasonic, bubbler, and submerged probe measurement technologies; and Flowlink® software for comprehensive flow data handling and analysis. Communication options including GSM cellular modem, 2-way radio, and Modbus provide information delivery solutions for a wide range of site and project requirements.