Innomar Technologie GmbH

- Model SES-2000 - Sub Bottom Profiler


The 'Innomar SES-2000 quattro' multi-transducer sub-bottom profiler is designed for applications which need very high data density in extremely shallow waters. These applications include pipeline and cable surveys, risk mitigation at offshore building sites or archeological surveys.

The 'Innomar SES-2000 quattro' model acquires full-waveform data that can be processed with any seismic software (SEG-Y format). Innomar also provides the ISE post-processing software specialized on the Innomar SBP data. For three-dimensional visualization of the sub-bottom data, Innomar provides a gridding tool and third-party visualization software.

Four highly portable transducers can be assembled in different ways to provide optimal solutions for different survey tasks:

  • Single beam mode (SBM): square array for best sediment penetration (one survey line),
  • Dual beam mode (DBM): two transducers combined (two survey lines),
  • Triple beam mode (TBM): line array using two transducers combined (three survey lines),
  • Quad beam mode (QBM): line array using single transducers for highest data density (four survey lines).

Included Features

  • SLF full waveform data acquisition (sub-bottom data)
  • Multi-ping mode for maintaining a high pulse rate in deep waters
  • Multi-frequency signals

 Optional Features

  • External DC power converter
  • Rugged housing with shock absorbers, IP65
  • Transducer mounting bracket


  • SESWIN data acquisition software
  • SES Convert data converter software (SES/RAW to SEG-Y, XTF, ASCII)
  • SES NetView for display of online echoprints and system information on remote computers (via Ethernet) for QC
  • ISE post-processing software incl. GIS module

Quad Beam Mode (QBM) 

  • Primary source level >236dB//µPa re 1m
  • Transmit beam width (-3dB) approx. ±2.5° for all frequencies
  • Water depth range 0.5 – 30m
  • Sediment penetration up to 20m (depending on sediment type and noise)

Single Beam Mode (SBM) 

  • Primary source level >245dB//µPa re 1m
  • Transmit beam width (-3dB) approx. ±1.5° for all frequencies
  • Water depth range 0.5 – 500m
  • Sediment penetration up to 50m (depending on sediment type and noise)


  • Range / Layer resolution Primary frequencies (PF) approx. 100kHz (frequency band 85 – 115kHz)
  • Secondary low frequencies (SLF) centre freq. user selectable: 4, 5, 6, 8, 10, 12, 15kHz
  • SLF total frequency band 2 – 22kHz
  • Pulse type Ricker, CW
  • Pulse width user selectable 0.07 – 1.0ms
  • Ping rate up to 60 pings/s
  • Topside unit (transceiver) 0.52m × 0.40m × 0.30m (19''/6U) / weight 32kg
  • Transducer (excl. cable) 4 × (0.21m × 0.21m × 0.06m / 5kg)
  • Heave / Roll / Pitch compensation yes / no / no (depending on sensor data)
  • Data acquisition digital 24bit / 96kHz; envelope, SLF full waveform
  • Auxiliary Inputs GNSS, HRP sensor, true heading, trigger
  • Auxiliary Outputs trigger, bottom track, analogue LF
  • Power Supply 100–240V AC /

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