Product Overview
BBUA-H30K is a 30 kHz underwater acoustic transducer with transmitting and receiving capabilities. It is designed for long-range underwater communication, underwater acoustic signal transmission and reception, and acoustic measurement. Its compact underwater construction and 360° horizontal coverage make it suitable for communication nodes, acoustic monitoring equipment and laboratory system integration.
Key Features
- 30 kHz center operating frequency
- Bandwidth greater than 10%
- Specified transmitting voltage response and receiving sensitivity
- 360° horizontal coverage
- IP68 protection
- Polyurethane acoustic window
- Threaded installation
- Compact design for system integration
Technical Specifications
| Parameter | Specification |
|---|---|
| Operating medium | Water |
| Center operating frequency | 30 kHz ±3% |
| Bandwidth | >10% |
| Transmitting voltage response | >142 dB re 1 μPa/V |
| Receiving sensitivity | >-195 dB re 1 V/μPa |
| Horizontal coverage | 360° |
| Vertical coverage | 45°-90° |
| Static capacitance | 17.8 nF ±20% |
| Minimum impedance | 130 Ω ±30% |
| Maximum operating voltage | <300 V |
| Operating temperature | 0-40 °C |
| Storage temperature | -30-70 °C |
| Ingress protection | IP68 |
| Housing material | SS306 |
| Acoustic window material | Polyurethane PU |
| Cable | 0.2 mm² single-core PTFE wire |
| Signal connection | Soldered leads |
| Installation | Threaded connection |
Wiring
| Wire Color | Function |
|---|---|
| Red | Positive |
| White | Negative |
Typical Applications
- Long-range underwater acoustic communication
- Underwater acoustic signal transmission and reception
- Underwater acoustic monitoring
- Underwater laboratory and test systems
- Integration into underwater equipment and communication nodes