New Batch Controller

May 27, 2011
Suited for smaller batch control, the new RA33 batch controller offers precise sensing and dispensing of liquids into a container or process vessel in food, chemical and pharmaceutical applications.
This new controller monitors flow, temperature and density, control valves and accepts inputs via analog or pulse signals from flow, temperature, pressure and density sensors. Also suited for oil and gas applications, the controller can correct mineral oils to the ASTM D1250-04 standard. The model features built-in temperature/density compensation functions. Volumes of other media can be corrected using expansion coefficients, or the volume can be converted to mass by measuring the density. It also provides an automatic after-run correction for constant and accurate results, advanced error diagnostics, fill deviation and no-flow conditions. For communication, the controller offers RS485, Ethernet, Modbus TCP/IP and RTU interfaces that can connect to an external control system or PC. An USB is an optional component. With an Industrial Ethernet interface, measurement data, calculated values and device data can be seen via a standard web browser. Another option includes the company's field data manager software. This provides stored batch reports, events, and device configuration can be read automatically and stored in a SQL database. The controller offers compact housing for wall, panel or DIN rail-mounting, and can work in temperatures ranging from -4 to 140 degree F. The unit has a IP65-rated front panel, and the housing meets IP66 and NEMA 4X requirements. Endress+Hauserwww.us.endress.com

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