The Liquiline CM444 and CM448 from Endress+Hauser Inc., Greenwood, IN, are multichannel transmitters for monitoring and controlling processes in water and wastewater, chemical, power, and other industries. The devices accept inputs from up to eight of the company's Memosens digital sensors, including those for nitrate, spectral absorption coefficient, pH, ORP, conductivity, dissolved oxygen, turbidity, and free chlorine as well as ion-selective electrode sensors. They recognize any combination of Memosens sensors. Outputs include up to eight 4–20 mA outputs with HART as well as Ethernet, Profibus, Modbus TCP, or RS-485 outputs; additional outputs can include up to 4 relay outputs. An integrated Web server provides remote access.
Multichannel Transmitters from Endress+Hauser