Emerson Rosemount 5408 radar level transmitter for bulk solids
Emerson has launched a dedicated version of its Rosemount 5408 non-contacting radar level transmitter to meet the specific demands of bulk solids level measurement.
The inclining or sloping nature of the material surface and the peaks and troughs of uneven surfaces deflect energy away from a radar signal and can generate false signal reflections which affect measurement accuracy. By using a signal processing algorithm that merges surface peaks, the Rosemount 5408 is designed to provide a high level of accuracy. The device’s two-wire frequency modulated continuous wave (FMCW) technology also produces a continuous echo to maximise radar signal strength and produce a more robust and reliable measurement.
The considerable amount of dust created during the fill cycle in solids applications creates a further challenge for measurement technology, so the Rosemount 5408 includes an integrated air purging system for cleaning the antenna.
Features include: advanced surface tracking and a condensation-resistant cone or parabolic antenna for measurements in demanding applications; radar-on-chip technology replaces a circuit board, removing sources of EMC noise which cause signal disturbance and leading to improved measurement accuracy. To further enhance device reliability, an embedded power backup removes vulnerability to intermittent power losses.
Two-wire technology enables simple installation, while still providing the same high amount of data and diagnostics that would normally require four-wire connections. ATEX and IECEx approvals allow installation in hazardous locations and the device’s SIL 3 capability enables integration into safety instrumented systems, supporting efforts to increase plant safety.
Phone: 03 9721 0200
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