Marine Survey Equipment

Applied Acoustics Mini 1119D Acoustic Positioning Beacon | Pre-Owned, Fully Calibrated

As a professional supplier of used geophysical and subsea survey equipment, we offer fully tested, factory-calibrated Applied Acoustics Mini 1119D acoustic positioning beacons — the industry-standard workhorse for reliable, high-precision underwater tracking and navigation across European offshore, hydrographic, and marine engineering operations.

The Mini 1119D is part of Applied Acoustics’ industry-leading 1100 Series Mini Beacons, engineered with the proprietary Sigma 2 bi-directional spread spectrum protocol for unmatched range resolution and positional stability in challenging subsea environments. Purpose-built for tracking ROVs, AUVs, towfish, and divers, this beacon delivers consistent performance for hydrographic survey, offshore construction, oceanographic research, and subsea asset monitoring.

Core Technical Advantages

Sigma 2 Spread Spectrum Technology: Delivers ultra-precise ranging and stable positioning, fully compatible with Easytrak Pyxis, Nexus 2, and all industry-standard USBL tracking systems

Multi-Fire Common Interrogate: Supports up to 10 simultaneous beacon IDs, enabling multi-target tracking in complex operations

Integrated Depth Telemetry (1119D Exclusive): Factory-fitted internal depth sensor to enhance horizontal positioning accuracy, with configurable depth ranges up to 2000m

MiQ Data Telemetry: Supports 800bps payload for third-party sensor data transmission, expanding operational versatilityApplied Acoustics Limited

Rugged Marine-Grade Construction: Hard-anodized aluminum housing, rated for 1500m survival depth, withstanding harsh offshore conditions

Multi-Mode Operation: Field-configurable as a Transponder (acoustic trigger), Responder (electrical trigger), or Pinger via the standard MCBH5M 5-way connector

Full Technical Specifications

Quick Operation Manual (Short Form)

1. Pre-Deployment Configuration

    

   • Connect the beacon to a compatible PC via the MCBH5M interface and RS232 serial adapter (9600 baud rate, 8-N-1)
   • Configure operating mode (Transponder/Responder/Pinger), transmit/receive frequencies, pulse rate, and Multi-Fire ID via Applied Acoustics configuration software
   • Verify battery charge status; full charge is recommended before deployment (3-hour fast charge for full capacity)

    

2. Deployment

    

   • Secure the beacon to the target asset (ROV/AUV/towfish) using the integrated mounting points, ensuring the transducer has unobstructed line of sight to the surface USBL array
   • Power on the beacon; it will enter listening standby mode by default, awaiting acoustic interrogation
   • For Responder mode, connect the external trigger input to the asset’s control system (5-25V DC trigger signal)

    

3. In-Operation

    

   • The beacon will automatically respond to valid acoustic interrogation signals from the surface USBL system
   • Monitor range and positioning data via your surface navigation software; the integrated depth sensor will transmit real-time depth data for enhanced positioning accuracy
   • Adhere to the rated operational battery life to avoid power loss during deployment

    

4. Post-Deployment

    

   • Retrieve the beacon and rinse thoroughly with fresh water to remove saltwater and debris
   • Dry the unit completely, especially the connector interface, and apply dielectric grease to the connector pins
   • Recharge the battery fully before storage; store in a cool, dry environment away from direct sunlight and corrosive materials