December 2010Flow Measurement & Control
Mass Measurement
Endress+Hauser has introduced Promass E TB2, a 2-wire Coriolis meter for easy integration into new and existing plant. By using state-of-the-art low power electronic components, the need for 4-wire technology, with its separate signal and supply wires, has been overcome. The advantages are reduced installation and wiring costs and easy integration into existing systems.
As a tried and tested multivariable sensor of the Proline flowmeter family, Promass E simultaneously measures the mass flow, fluid density and temperature, allowing users to monitor and control their processes more accurately. In addition to liquids such as acids, alkalis, and solvents, the unit is also suitable for gases. The application range extends to a nominal pressure of PN 100 and a process temperature of 140°C.
Operator, maintenance and expert menus can be called up at the touch of a button with guided parameterisation to aid the user during configuration. In the event of an error, remedy information is immediately displayed. Promass E TB2 provides data management and back-up, with configuration data transfer to other measuring points via the local display. In the case of servicing, data back-up via the HistoROM enables swift exchange of the measuring electronics and automatic reconfiguration without the need to be recalibrated.
In the chemical and petrochemical industries, 2-wire measuring devices are in demand as intrinsic safety is important in hazardous areas. Promass E TB2 meets standards in the process industry such as NAMUR, HART, and SIL. Both self-monitoring and error diagnostics, for example, are strictly in accordance with the specifications of NE107 (NAMUR). This guarantees a high degree of safety and optimal system availability.
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