Innomar "light" Sub-Bottom Profiler

Innomar "light" SBP

Innomar "light" SBP

The Innomar "light" sub-bottom profiler is designed for shallow-water applications inshore and near-shore at water depths down to 400 meters.

This 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.

The first generation of this model has been launched in 2000 as "SES-96 light". Later this model were named "SES-2000 light". The latest generation has been introduced in 2021.

Innomer "light" SBP data example from Lake Windermere / UK (pulse 12kHz / 166µs; depth range 18–42m)

Technical Specification

Water Depth Range
0.5 – 400 m below transducer
Sediment Penetration
up to 40 m (depending on sediment type and noise)
Sample / Range Resolution
<1 cm / up to 5 cm (depending on pulse settings)
Transmit Beam Width (-3dB)
c. ±2° for all frequencies / footprint c. 7% of water depth
Ping Rate
up to 50 Hz (pings/s)
Heave / Roll / Pitch Compensation
heave (depending on external sensor data)
Primary Frequencies (PHF)
c. 100 kHz (frequency band 85 – 115 kHz)
PHF Source Level / Acoustic Power
>238 dB//µPa re 1m / c. 2.3 kW
Secondary Low Frequency (SLF)
centre frequency user selectable: 4, 5, 6, 8, 10, 12, 15 kHz
SLF Total Frequency Band
2 – 22 kHz
SLF Pulse Type
Ricker, CW
Pulse Width
user selectable 0.07 – 1.0 ms (CW)
Data Acquisition and Recording
digital 16 bit / 96 kHz (SLF full waveform, PHF envelope)
Data File Format
Innomar "RAW" (16 bit), "SEGY" (via SESconvert)
External Sensor Interfaces
HRP (motion), GNSS position, depth (all RS232 / UDP), trigger (BNC)
Bottom Detection
internal (PHF and SLF data) or external depth
Depth Accuracy
(2 cm @ 100 kHz / 4 cm @ 10 kHz) + 0.06% of water depth
Remote Control / Survey Integration
KVM / basic functions via COM or Ethernet (UDP), NMEA
Topside Unit (Transceiver)
W 52 cm × D 40 cm × H 26 cm (19'' / 5U) / weight c. 25 kg
W 34 cm × D 26 cm × H 8 cm / weight c. 22 kg (incl. 20 m cable)
Transducer Depth Rating
Power Supply
100–240 V AC; optional external DC power inverter (12 /24 V)
Power Consumption
Control / Data Storage PC
integrated PC (MS Windows 10/11 OS) with 10'' TFT display
First / Latest Product Generation
2000 / 2021

Included Features

  • SLF full waveform data acquisition (sub-bottom data) / Innomar "RAW" data format
  • 24 bit SLF full waveform data acquisition / Innomar "SES3" data format
  • Multi-ping mode for maintaining a high pulse rate in deep waters
  • Multi-frequency signals
  • SESWIN basic remote-control via COM / UDP (e.g. line start/stop, line name)

Optional Features

  • SESWIN extended remote-control via Ethernet (all survey settings)
  • KVM extender for remote control
  • external DC power adapter (12 V or 24 V)
  • Rugged housing with shock absorbers (MIL standard, IP65)
  • Transducer bracket for over-side-mounting
  • Transducer frame with integrated shock absorbers for hull-mounting


  • SESWIN data acquisition software
  • SES Convert data converter software (RAW to SEG-Y, XTF, ASCII)
  • SES NetView for online data and system information display on remote computers
  • ISE post-processing software (optional)

Technical specifications are subject of change without notice.