Advanced Configuration - Emerson Rosemount 5900S Reference Manual

Radar level gauge
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Reference Manual
00809-0100-5900
4.5

Advanced configuration

There are a number of advanced configuration options for the Rosemount 5900S gauge
which may be useful in certain situations. These options are available via the Rosemount
TankMaster Winsetup program and the Rosemount 5900 RLG Properties window.
4.5.1
Environment
Foam
You can use this parameter to optimize the gauge for conditions with low and varying
surface echo amplitudes such as foam. When the foam is light and airy the actual product
level is measured. For heavy and dense foam the transmitter measures the level of the
upper surface of the foam.
Turbulent surface
Splash loading, agitators, mixers, or boiling products may cause a turbulent surface.
Normally the waves in a tank are quite small and cause local rapid level changes. By setting
the Turbulent Surface parameter the performance of the level gauge will be improved
when there are small and quickly changing amplitudes and levels.
Rapid level changes
Optimize the level gauge for measurement conditions where the product level changes
quickly due to filling and emptying of the tank. The Rosemount 5900S is able to track level
changes of up to 1.5 inch/s (40 mm/s). The Rapid Level Changes function allows the
Rosemount 5900S to track level changes of up to 8 inch/s (200 mm/s).
The Rapid Level Changes function shall not be used in normal conditions when the product
surface moves slowly.
Solid products
Setting this parameter optimizes the gauge for solid products, for example concrete or
grains, which are not transparent for radar signals. For instance, this parameter can be
used when the application is a silo with product build-up.
Product dielectric range
The Dielectric Constant is related to the reflectivity of the product. This parameter can be
used to optimize measurement performance. However, the level gauge will still be able to
perform well even if the actual Dielectric Constant differs from the configured value.
4.5.2
Tank shape
The Tank Type and Tank Bottom Type parameters optimize the Rosemount 5900S for
various tank geometries and for measurements close to the tank bottom.
Rosemount 5900S Radar Level Gauge
Configuration
September 2019
111

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