We come from the ocean
Immersible distance measurement system study of mudflats equipment beach level variations in relation to tidal currents swell Monitoring of erosion sedimentation rate of coastal estuarine port river beds waver record function internal clock calendar water height automatic start sampling rate programmable cyclic acquisition monitor the swell great autonomy 8 months sampling rate energy autonomy memory autonomy lithium batteries cable transducer Altus best insertion into ground stainless steel support installation mud flat sedimentology instrument measurement frequency spectrum acoustic frequency sampling frequency detection program acoustic transducer ultrasonic transducer lithium-ion battery tidal floor muddy sea floor detection limits detection threshold limit of detection

ALTUS: Siltation, Sedimentation, Erosion

ALTUS is a submersible altimeter that is specialized in sediment monitoring in bays and estuaries. Immersible distance measurement system.

 Study of variations in mudflat and beach levels as a function of tidal currents and swell.

 Monitoring of erosion or sedimentation rate of coastal, estuarine, port or river beds

 Waver recorder function

2 MHz transducer

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Features and benefits

  • ALTUS allows to study mudflats or beach level varitations according to tidal currents and swell.
    The high frequency acoustic data logger is equipped with a 2MHz transducer located on a light frame at a given distance from the seabed. ALTUS can be used as a tidegauge thanks to its accurate pressure sensor.

    • Examples of use

  • Monitoring of erosion or sediment deposits in coastal waters, estuaries, ports and rivers
  • Evaluation of the sediment volumes to dredge
  • Mathematic models validation
  • Millimetric measurements of the elevation changes of the seabed

    • Accessories

  • Fast wireless configuration and data collection thanks to a communication interface (Inductive Data Pencil) connected to the USB port of a PC using Winmemo software.

    • Technical data

  • Altitude:
    Range: 20 to 200cm
    Resolution: 0.6mm
    Accuracy: 2mm in the 20 to 70cm range / 5mm in the 20 to 200cm range
    Acoustic frequency: 2MHz Beam 3.6°
  • Water height range: 0 to 20m (maximum 30m depth) / Accuracy <6cm / Resolution 0.8cm
  • Time: internal clock with calendar
  • Automatic start/stop: On/Off controlled by pressure sensor (burst mode available)
  • Sampling rate: programmable from >1second to 99hours
  • Autonomy: up to 8 months autonomy, sampling rate 5mn / Energy: replaceable Lithium batteries

    • Downloads

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    User manual available on request

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