Altus - Submersible Altimeter
From Underwater Monitoring Instruments - Specific Parameters
ALTUS is a submersible altimeter that is specialized in sediment monitoring in bays and estuaries. Immersible distance measurement system.
Products Details
- 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
Features & 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
- 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
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