Featuring modular, plug-and-play design, T80-S80 Analyzer System automates testing for dissolved oxygen, pH, ammonia, and other parameters. Rackmount T80 Transmitter, equipped with 2¾ x 1½ in. LCD, is available in loop powered, 24 Vdc line powered, or 110/220 Vac line powered modes. DO80 DO Sensor features measurement range from 0.00–20.00 ppm over temperature range of -10 to +60°C. For pH, S80 offers 0.00–14.00 measurement range with temperature of -10 to +90°C.