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Radar level gauge system and verification test method thereof

A radar level meter, verification test technology, applied in test/calibration device, measurement device, liquid/fluid solid measurement, etc., can solve the problem of undesired and difficult installation of reference reflector kit, etc., to achieve the effect of reliable verification test

Pending Publication Date: 2020-06-26
ROSEMOUNT TANK RADAR
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in some cases it may be undesirable or difficult to install a reference reflector kit as a retrofit installation

Method used

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  • Radar level gauge system and verification test method thereof
  • Radar level gauge system and verification test method thereof
  • Radar level gauge system and verification test method thereof

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Embodiment Construction

[0035] In this detailed description, various embodiments of radar level gauge systems and methods according to aspects of the invention are primarily discussed with reference to radar level gauge systems of the FMCW (Frequency Modulated Continuous Wave) type with radiating antennas. It should be noted that this does not limit the scope of the invention, which is defined by the appended set of claims and which equally well includes, for example, pulse-type radar level gauge systems or radar level gauges with other signal propagation means. other signal propagation devices including, for example, other types of radiating antennas or various probes.

[0036] figure 1 A level measurement system 1 is schematically shown comprising a radar level gauge system 2 according to an example embodiment of the invention and a host system 10 shown as a control room.

[0037] A radar level gauge system 2 is installed to measure the fill level of the product 3 contained in the storage tank 4 ....

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Abstract

The present invention relates to a method for verifying and testing a radar level gauge system and the radar level gauge system for determining a fill level of a product in a tank. The radar level gauge system is arranged to determine the fill level of the product in the tank. The method comprises the steps of emitting an electromagnetic emission signal towards the surface of the product in the tank; receiving an electromagnetic reflected signal resulting from the reflection of the transmitted signal at the surface of the product; forming a measurement representation based on the transmitted signal and the reflected signal, the measurement representation comprising the surface echo information indicative of the fill level of the product; adding the verification test echo information indicative of a predefined verification test level to the measurement representation, thereby producing a modified measurement representation; processing the modified measurement representation to determinea verification test level based on the modified measurement representation; and providing a signal indicative of a result of the processing.

Description

technical field [0001] The present invention relates to a radar level gauge system, a method of proof testing a radar level gauge system and a method of operating a radar level gauge system. Background technique [0002] Radar level gauges are widely used to measure the fill level of products in storage tanks. Typically, radar level determination is performed by propagating an electromagnetic transmit signal towards the product in the tank and receiving an electromagnetic surface reflection signal resulting from the reflection of the transmit signal at the product surface. [0003] The emitted electromagnetic signal may radiate towards the product in the tank, or may be directed towards and into the product by a transmission line probe. The latter is often referred to as guided wave radar (GWR). [0004] Based on the transmitted signal and the surface reflected signal, the distance from the surface of the product can be determined. The filling level can be deduced from th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F23/284G01F25/00
CPCG01F23/284G01F25/20G01F25/24
Inventor 米卡埃尔·英隆德托比亚斯·利亚托马斯·文纳贝里拉尔斯-奥弗·拉松帕尔·亚伯拉罕松克里斯蒂安·斯凯于格
Owner ROSEMOUNT TANK RADAR