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Miros AS Miros Vertical Microwave radar - SM-140 RangeFinder

A high frequency vertical microwave radar providing sea level, tide, non-directional wave monitoring, ride control and air gap measurements.

The RangeFinder is a high-frequency vertical microwave radar providing sea level, tide, non-directional wave monitoring, ride control and air gap measurements. The low frequency of operation (compared to laser sensors) provides accurate measurements

  • Miros AS Miros Vertical Microwave radar - SM-140 RangeFinder
Miros AS
Solbråveien 20
1383 Asker
Norway

Description

The RangeFinder is a high-frequency vertical microwave radar providing sea level, tide, non-directional wave monitoring, ride control and air gap measurements. The low frequency of operation (compared to laser sensors) provides accurate measurements undisturbed by fog, rain and water spray. The sensor can also be delivered with motion compensation for wave measurements on vessels.

The Miros RangeFinder measures with millimetre accuracy (+/- 5mm). With motion compensation (MRU), it is the only system in the world for providing wave parameter data with sufficient accuracy to meet DNV’s Offshore Standard DNV-OS-H101, Marine Operations, General.

The sensor emits a microwave FM chirp signal and receives the echo from the water surface. The signal propagation delay given by the distance from the antenna to the water surface causes a beat signal in the receiver. By means of advanced signal processing, the beat frequency is converted to an accurate distance. The FM chirp is generated by a digitally synthesized frequency sweep oscillator with absolute frequency linearity and high stability. The sensor, therefore, provides accurate range measurements and high long terms stability. Up to 50 measurements per second are averaged over a user-selectable averaging time and the distance to the surface can range from 1 to 100 meters – much more than any competing product.

Specifications

  • Year of latest version
    2018
  • Area of Application
    Offshore oil and gas (E&P), offshore wind farms, OSVs and OCVs, Coastal maritime
  • Type of wave recorder
    Radar
  • Direction wave or non-directional
    Non-directional
  • Weight in air [kg]
    8
  • Width [cm]
    50
  • Length [cm]
    14
  • Operating temperature: min. [°C]
    -30
  • Operating temperature: max. [°C]
    50
  • Housing material
    al EAW 5052/EN AW 6082
  • Weight in water [kg]
    0

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