KWD200 Ultrasonic Underwater Communications Sensor
Introduction
This product mainly uses ultrasonic waves to achieve underwater communication.
It is used for underwater unmanned submersible communication, underwater short command transmission, marine sensor network transmission, and marine environment monitoring network transmission.
Ultrasonic Underwater Communications Sensor Features
- Power supply: battery (12V±10%)
- Communication distance: 100m
- Pressure resistance: 100m water depth
- Working temperature: 0℃~60℃ (no freezing)
- Protection grade: IP68
- Case material: ABS
Application Fields

| Communication distance | 50 meters, 100 meters |
|---|---|
| Underwater acoustic communication rate | 96bps |
| Response rate | 3 seconds |
| Send information | 1-12 characters |
| Bit error rate | ≤8% (related to the test environment) |
| Communication method | RS485, MODBUS protocol |
| Voltage resistance | 100 meters water depth |
| Usage environment | Water depth greater than 2 meters, away from motors and frequency conversion equipment |
| Power supply | Battery (12V ± 10%), receiving power 0.9W/transmitting power 5W |
| Protection level | IP68 |
| Operating temperature | Working temperature: 0℃+60℃ |
| Interface thread size | M33*1.5 |
| Storage requirements | Storage environment temperature: -20~+60℃; Storage environment pressure: normal pressure; Storage environment humidity: ≤90%RH (non-condensing); Other requirements: No corrosive liquid, gas or steam in the environment, no vibration. |
| Wiring definition | Red: 12V+ Green: 12V- White: 485A Yellow: 485B |
| Usage precautions | During the test wiring process, the 485 line cannot touch and short-circuit the power line. If the short-circuit burns out, the product cannot be repaired. |
The product demonstration video is under preparation and will be released shortly.
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