Product category:
Level and tank contents instrumentation
News Release from: Emerson Process Management | Subject: Rosemount 5400
Edited by the Processingtalk Editorial
Team on 01 June 2005
Rosemount radar level transmitter has
'Echonomics'
Emerson introduces Rosemount radar level transmitter with "Radar Echonomics" technology, offering unique level of measurement reliability and user cost savings
Emerson introduces Rosemount radar level transmitter with "Radar Echonomics" technology, offering unique level of measurement reliability and user cost savings The 5400 is the first radar transmitter to deliver peak performance in all the areas considered vital to radar level measurement
This article was originally published on Processingtalk on 8 Sep 2008 at 8.00am (UK)
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These are: Echosensitivity: the ability to detect weak radar echoes reliably; Echodynamics: the ability to handle weak and strong radar echoes simultaneously; and Echologics: the ability to ignore false echoes.
Naming the total technology "Radar Echonomics", Emerson guided this innovative development to maximise operational benefits and user cost savings.
"The Rosemount 5400 series marks another milestone in delivering user benefits from Rosemount instrumentation", says Carl Fjelkner, Project Manager for the 5400 development.
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"Radar Echonomics technology drives these benefits, the 2-wire Rosemount 5400 radar level transmitter provides an extremely accurate surface tracking, beyond that of other transmitters available today".
Radar Echonomics technology in the Rosemount 5400 is focused on:.
* Echosensitivity: High Echosensitivity means increased measurement reliability even under changing process conditions such as turbulence, vapours, foam and condensation.
Echosensitivity is achieved by combining a number of new technologies.
An example in the 5400 is the new Condensation Resistant Antenna.
It presents a larger active seal surface on the transmitter face, improving the transmitter tolerance to dirt and condensation.
* Echologics: New signal processing features in the transmitter separate surface echoes from false echoes to increase measurement reliability and reduce commissioning time and cost.
By using "Measure and Learn" technology, suggestions for threshold and disturbance echo settings are automatically generated.
The setup software can provide an echo plot, available in a "movie mode", to present the commissioning engineer with the total radar picture.
* Echodynamics: In most process tanks, strong and weak radar echoes co-exist.
The echo from an agitated turbulent liquid surface may be significantly weaker than the echo from the agitator blade.
In order to measure accurately, the radar sensor must be able to track the weaker surface echo continuously.
This capacity, Echodynamics, means more reliable measurements and less process downtime during difficult measuring conditions.
All 2-wire radar gauges give the benefits of having no moving parts and no contact with the liquid being measured.
The measurement is unaffected by temperature, pressure and product density.
For a process plant, the Radar Echonomics qualities additionally available in the Rosemount 5400 enable higher productivity, reduced cost of ownership, and increased process availability.
Engineering and installation expenditures, and operating and maintenance expenditures are reduced.
The Rosemount 5400 Series is available in two models to increase application range: the Rosemount 5401, with a low frequency transmitter (~ 6 GHz), is used in applications with turbulence, heavy vapours or foam, or where there is a risk of deposits on the antenna.
The Rosemount 5402, high frequency transmitter (~ 26 GHz) uses a narrower radar beam for installations that have tall or narrow nozzles, for applications where the nozzle is close to the tank wall, or to avoid reflections from other objects in the tank.
The Rosemount 5400 series is part of the broad range of intelligent, digital field devices from Emerson, that power PlantWeb digital plant architecture to improve plant efficiency by 2% and more, through delivering asset optimisation, process automation, and management execution.
Further cost savings, increased plant availability, and enhanced safety and environmental compliance are achieved when these level transmitters are integrated into PlantWeb architecture. Request a free brochure from Emerson Process Management ...
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