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The key benefit of radar technology is that it can perform measurements in various and evolving process conditions across many types of media.
Due to its very small process fittings and encapsulated antenna system, VEGAPULS 64 can measure reliably, even in very small vessels. Image Credit: VEGA
The use of the sensors in small vessels was very restricted in the past.
This is because sensors were not available with the small process fittings, which were required, along with not being able to attain the accuracy and measurement reliability needed at very close range.
Guided radar has been utilized as a promising alternative, but it quickly meets its limits in applications, which include agitators, strong product movements, or have thorough demands on hygiene.
While the close range of radar sensors is not restricted by a dead band, technologies previously used were often placed under limitations. This is because the interrupting signals from the antenna system could result in accuracy problems or could even shield the echoes from the surface of the product.
The high frequency of VEGAPULS 64 not only allows for the utilization of much smaller process fittings, it also promotes significantly greater performance for measurements when the sensor is employed in small vessels.
The large sensor bandwidth generates very narrow echo signals, which causes a large increase in the accuracy of measurements even at close range.
The use of novel antenna technologies for the 80 GHz frequency range has helped to decrease the interfering signals at close range. This creates significantly more reliable measurements, right in front of the antenna.
These strong improvements in performance mean that the VEGAPULS 64 can also be employed in smaller vessels.
The reflected signal’s strength is calculated by the size and the medium of the antenna.
When taken directly in front of the antenna, level measurement is more difficult when the medium’s antenna is very small and when it reflects poorly.
When measuring oil products with a ¾ " antenna system, it is suggested to ensure a minimum distance of 10 to 15 cm, which can be attained with a stand-off nozzle. If larger process fittings are utilized, this distance can be much shorter.
In several of the processes of production in the chemical industry, small amounts of different chemicals are required to enhance the features of particular products.
The media are frequently transported directly to the areas of production in small, transport containers. Precise level measurement guarantees a consistent supply of production materials.
Changing media, short measuring range
Accurate measurement down to the bottom of the vessel
The sensor is quick and easy to install
The small-batch filler vessels that are around 1 m high and 60 cm in diameter near the production facility provide the filler heads of the tank.
The products vary from chocolate spread to conserve to peanut butter, with different temperatures and viscosity.
The product density also varies in each batch. The level system is needed to maintain the optimum filling of jars.
Changing product density, condensate, small vessel
Measurement independent of density and viscosity
Accurate level measurement optimizes the use of jars and medium
The cleaning of process equipment occurs within the framework of a verified ‘Clean in Place (CIP)’ procedure in the pharmaceutical industry to guarantee that hygienic conditions are upheld in tanks, pipelines, and production equipment.
Concentrated acids or sodium hydroxide are commonly utilized as cleaning agents, which are kept in storage tanks within the CIP system.
These are diluted in a premix vessel before being used. Level measurement allows for safe storage and effective usage of these cleaning agents. Point level detection acts as dry run protection and overfill.
Level measurement and point level detection
Approved materials in compliance with FDA and EC 1935/2004
This information has been sourced, reviewed and adapted from materials provided by VEGA Grieshaber KG.
For more information on this source, please visit VEGA Grieshaber KG.
Please use one of the following formats to cite this article in your essay, paper or report:
VEGA Grieshaber KG. (2020, June 25). Using Radar Technology in Small Vessels. AZoSensors. Retrieved on August 08, 2022 from https://www.azosensors.com/article.aspx?ArticleID=1805.
VEGA Grieshaber KG. "Using Radar Technology in Small Vessels". AZoSensors. 08 August 2022. <https://www.azosensors.com/article.aspx?ArticleID=1805>.
VEGA Grieshaber KG. "Using Radar Technology in Small Vessels". AZoSensors. https://www.azosensors.com/article.aspx?ArticleID=1805. (accessed August 08, 2022).
VEGA Grieshaber KG. 2020. Using Radar Technology in Small Vessels. AZoSensors, viewed 08 August 2022, https://www.azosensors.com/article.aspx?ArticleID=1805.
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