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SinoTD6 Transducer
1. Introduction (SinoTD6 Transducer)
The SinoTD-6 transducer is a broadband high-power communication transducer with low mechanical quality factor (Low QM), designed specifically for underwater analog and digital communication. This transducer features ring directivity, making it particularly suitable for underwater voice and message communication on a horizontal plane. With a center frequency of 6kHz and a wide operating frequency range, it supports underwater communication from short-to-medium to long distances, ensuring stable signal transmission.
The SinoTD-6 transducer enables long-distance information transmission under low-frequency conditions, with a range of up to 10 kilometers. Its design is not only suitable for underwater communication, but also allows for the combination of multiple transducers into linear, planar, or curved arrays to generate higher sound pressure levels or achieve specific directional responses. The transducer also features durability and low self-noise design, making it suitable for long-term deployment in environments such as oceans, rivers, or lakes, providing strong support for bioacoustic research, target detection, and sound field generation.
In summary, the SinoTD-6 transducer is an ideal choice for a variety of underwater applications due to its broadband performance, low mechanical quality factor, and strong signal transmission capabilities.
2. Application scenarios (SinoTD6 Transducer)
(1) Underwater communication: SinoTD-6 is ideal for underwater communication over medium to long distances, especially in the 6kHz frequency band, which provides moderate penetration and signal propagation distance, making it suitable for signal transmission between underwater platforms, submersibles and fixed installations.
(2) Target detection and positioning: In underwater detection and echolocation applications, SinoTD-6 can provide precise sound wave transmission and reception functions, and is suitable for tasks such as seabed target detection, object positioning, and underwater navigation.
(3) Bioacoustic research: The 6kHz frequency band of the SinoTD-6 is suitable for detecting the sounds and behaviors of marine mammals and fish. It can be used to record and analyze low-frequency sound waves emitted by underwater organisms, supporting bioacoustic analysis.
(4) Environmental noise monitoring: This transducer is also suitable for underwater noise measurement and monitoring, helping researchers analyze the environmental noise levels and sources of oceans, rivers, or lakes.
3. Technical Specifications (SinoTD6 Transducer)
No. | Parameter | Performance |
1. | Signal types | Pulse sine wave, linear frequency modulation (Chirp), phase shift keying (PSK), frequency shift keying (FSK), pulse square wave, continuous wave (CW), etc. |
2. | Harmonic frequency | Fs=6 kHz |
3. | Quality factor | Qm=3 |
4. | Transmit voltage response (TVR) | 141.5 dB μPa/V@1m |
5. | Free-field voltage sensitivity (FFVS) | -187.0 dB V/μPa |
6. | Beamwidth (-3dB) | Horizontal x Vertical = Omnidirectional x 100° |
7. | Azimuth | Omnidirectional (f ≤ 3 kHz) |
8. | Admittance@fs | G = 6.0 mS, B = 8.0 mS |
9. | Maximum input pulse power (MIPP) | 1000W |
10. | Maximum pulse width (MPW @ MIPP) | 800s |
11. | Maximum continuous input power (MCIP) | 400W |
12. | Working water depth | 300 meters |
13. | Size | Φ141 x 115mm |
14. | Weight | ≥ 3.0 kg, including 10 meters of cable. The actual weight depends on the installation components, cable type, and length. |
15. | Operating temperature | -10°C to +60°C |
16. | Storage temperature | -20°C to +60°C |
4. Transmit voltage response (SinoTD6 Transducer)

5. Azimuth angle (SinoTD6 Transducer)
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vertical | Horizontal |

