Survey

Innomar compact: Parametric Sub-Bottom Profiler

High-Resolution Sub-Seabed Imaging for Small Boats & Inshore Surveys

Product Overview

The Innomar compact is the most streamlined and portable member of the Innomar parametric family. Specifically engineered for inshore surveys in shallow-water environments—from 0.5m down to 400m—it offers the perfect balance of size, weight, and acoustic power.

Unlike the Innomar light (which has an integrated PC), the compact model uses an external laptop for control, making the topside unit significantly lighter (15kg) and easier to transport. Utilizing Innomar's signature non-linear parametric technology, this system provides exceptionally clean, narrow-beam data without the side-lobe interference common in traditional systems. It is the industry standard for rapid mobilization on vessels of opportunity and small survey craft.

Why Choose the Innomar compact?

  • Exceptional Portability: The topside transceiver is 33% smaller than previous generations, fitting easily into a standard backpack-sized transport case.
  • Superior Horizontal Resolution: A narrow ±2° beam width ensures a small acoustic footprint, allowing you to map fine sediment layers and detect buried objects with pinpoint accuracy.
  • Affordable & User-Friendly: Designed as a cost-effective entry into parametric surveying without compromising on data quality or penetration (up to 40 meters).
  • Versatile Connectivity: Connects simply via Ethernet to any Windows-based laptop, running the intuitive SESWIN acquisition software.

General & Applications


  • First / latest product generation: 2002 / 2024
  • Small boats, inshore and near-shore surveys

 

Performance


  • Water depth range: 0.5 ‒ 400 m
  • Seabed penetration: up to 40 m (depending on seabed type and noise)
  • Range resolution: up to 5 cm (depending on pulse settings)
  • Depth accuracy: 2.5 cm + 0.06% water depth
  • Motion compensation: Heave (external sensor data required)


Transmitter


  • Principle: parametric (nonlinear) acoustics
  • Frequencies: 100 kHz (HF) / 4 ‒ 15 kHz (LF)
  • Primary Source Level: >238 dB//μPa re 1m
  • Acoustic Power: c. 2.3 kW
  • Beam width: c. 4° (±2°) for all frequencies
  • Pulse type: CW, Ricker
  • Pulse width: 0.07 ‒ 1 ms
  • Pulse rate: up to 40 Hz, multi-ping mode

 

Data Acquisition


  • Digital, 2 channels (LF and HF, “RAW” format)
  • Sample rate c. 70 kHz @ 16 bit; resolution <2 cm
  • LF sub-bottom data: raw (full-waveform)
  • HF data: processed (envelope)
  • Parametric Advantage: Generates a low-frequency beam (4–15 kHz) within the water column, resulting in high bandwidth and ultra-short pulses for sub-decimeter resolution.
  • Multi-Ping Mode: Automatically maintains a high pulse rate (up to 40 Hz) in deeper waters to ensure high data density even at higher vessel speeds.
  • Full-Waveform Recording: Captures 24-bit raw data in the SES3 format, providing the highest dynamic range for advanced post-processing.
  • Sidescan Extension Available: An optional 100 kHz sidescan sonar can be integrated, providing simultaneous sub-bottom and seafloor imagery.
  • Heave Compensation: Easily integrates with external motion sensors to provide stable, corrected data in choppy inshore waters.
  • Multi-Frequency Capability: User-selectable frequencies (4, 5, 6, 8, 10, 12, 15 kHz) allow you to optimize the system for either maximum resolution or maximum penetration.
  • 1768274648_Innomar _compact_ SBP.pdf

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