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Underwater AcousticSensing Equipment

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Underwater Acoustic Sensing Equipment Series | FrankStar Technology Group

FrankStar Technology Group independently develops and manufactures a full lineup of professional underwater acoustic sensing instruments, covering self-contained acoustic recorders, real-time underwater noise analyzers, underwater noise monitors, and multi-element hydrophone arrays.
Our underwater acoustic equipment features core competitive strengths: ultra-low power consumption, ultra-low self-noise, high receiving sensitivity, high-precision time synchronization, and deep-sea pressure resistance up to 6000m with titanium alloy housing. All products pass national first-class underwater acoustic metrology calibration, with fully traceable measurement data to national standards.
The full series supports flexible deployment on mooring platforms, ocean buoys, underwater gliders, wave gliders and subsea arrays, widely applied to marine acoustic surveys, deep-sea scientific research, marine mammal tracking, offshore wind farm noise assessment, polar observation, underwater engineering noise monitoring and offshore EIA projects.
FrankStar delivers turnkey underwater acoustic monitoring solutions integrating hardware, data storage, synchronous acquisition and real-time data transmission, serving global ocean research institutes, marine survey companies, offshore energy operators and environmental monitoring authorities.


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Underwater Acoustic Sensing Equipment | FrankStar Technology

 

Underwater Acoustic Sensing Equipment Series | FrankStar Technology

FrankStar Technology independently develops and manufactures professional underwater acoustic sensing instruments, including self-contained acoustic recorders, real-time underwater noise analyzers, underwater noise monitors and multi-element hydrophone arrays.

Our equipment features ultra-low power consumption, ultra-low self-noise, high receiving sensitivity, microsecond time synchronization, and titanium alloy housing resistant to depths up to 6000 meters. All products support deployment on mooring platforms, ocean buoys, gliders and subsea observation networks.

Typical Applications: Marine acoustic survey, deep-sea research, marine mammal tracking, offshore wind farm noise assessment, offshore EIA, underwater construction monitoring.

1. ARMS Underwater Acoustic Noise Monitor

Product Overview

Integrated self-contained underwater acoustic acquisition unit, designed for long-term marine acoustic monitoring, underwater engineering inspection and fundamental underwater acoustic research.

Core Advantages

  • Wide frequency band: 10Hz–10kHz with flat full-band response
  • Ultra-low equivalent self-noise (29.1dB@1kHz)
  • All-in-one integrated design, standalone underwater deployment
  • First-class underwater acoustic metrology calibration available
  • Stable performance under complex marine underwater environments

Key Specifications

Parameter Value
Hydrophone Sensitivity -201±1.5 dB re. 1V/μPa
Preamp Gain Option 0/20/26/30 dB
Max Sampling Rate 64 kHz
Housing Material Titanium Alloy

2. ULAR Self-Contained Acoustic Recorder

Product Overview

Ultra-low power standalone underwater acoustic recorder. Collects underwater sound, temperature and depth synchronously for unattended long-period recording missions.

Core Advantages

  • Ultra-low power: Operating ≤150mW, Sleep ≤1mW; endurance up to 365 days
  • Two frequency options: 20Hz–20kHz / 20Hz–100kHz
  • Synchronization accuracy: <1 μs
  • Expandable storage up to 4 TB
  • 200m plastic / 6000m titanium alloy pressure housing optional

Key Specifications

Parameter Value
Continuous Recording Duration Up to 12 months
Storage Capacity Max 4 TB
Sync Accuracy <1 μs
Depth Rating 200 m / 6000 m

3. RASP Underwater Noise Analyzer

Product Overview

Real-time underwater noise analyzer supporting offline self-contained recording and online data streaming. Can be mounted on buoys, seabed platforms and mobile observation carriers.

Core Advantages

  • Dual working modes: offline recording & real-time online transmission
  • Output noise spectrum via Ethernet / RS485 for platform integration
  • Multi-unit distributed synchronous observation
  • Optional frequency band: 20Hz–20kHz / 20Hz–200kHz
  • Wide working temperature: -10℃ ~ +60℃

Key Specifications

Parameter Value
Frequency Options 20Hz–20kHz / 20Hz–200kHz
Interface Ethernet, RS485
Self-contained Battery Life ≥48 hours
Depth Rating 200 m / 6000 m

4. SHAR Self-Contained Hydrophone Array

Product Overview

Micro-power deep-sea digital hydrophone array system. High-precision multi-channel acoustic collector supporting expandable cable array up to 128 elements.

Core Advantages

  • Supports up to 128 synchronous hydrophone channels
  • Ultra-low self-noise, titanium alloy housing for 6000m deployment
  • High-speed USB data access without opening housing
  • Lightweight body: 870g in air, 530g underwater

Key Specifications

Parameter Value
Max Channels 128 elements
Synchronization Accuracy <1 μs
Max Depth 6000 m
Weight 870 g (air) / 530 g (underwater)

SEO Keywords for Reference

Core Product Keywords

underwater acoustic recorder
self-contained hydrophone
underwater noise monitor
hydrophone array
marine acoustic sensor
passive acoustic monitoring

Long-tail Technical Keywords

ultra low power underwater acoustic recorder
6000m deep sea hydrophone
titanium alloy hydrophone
microsecond synchronization hydrophone

Application Scenario Keywords

offshore wind farm underwater noise monitoring
marine mammal acoustic tracking
marine EIA hydrophone
buoy integrated hydrophone sensor

 

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