Underwater ranging over a 1000 m reference range
The BBDM-D28K is a 28 kHz ultrasonic transducer for underwater ranging and depth measurement. Its reference range is 1000 m. Applications include underwater robot obstacle avoidance, tank and water-body distance measurement, and underwater target detection.
Acoustic coverage for target detection
The half-power beam angle at -3 dB is 53.7° ±10%.
Electrical and environmental specifications
| Center frequency | 28 kHz ±5% |
|---|---|
| Recommended range | 1000 m |
| Half-power beam angle at -3 dB | 53.7° ±10% |
| Minimum impedance | 270 Ω ±20% |
| Capacitance | 10000 pF ±20% at 1 kHz |
| Operating voltage | Peak voltage <2000 Vpp |
| Operating temperature | -40 to +80°C |
| Pressure rating | ≤10 kgf or 1 MPa |
| Protection rating | IP68 |
Applications
- Underwater ranging and depth measurement
- Underwater robot obstacle avoidance
- Distance measurement in tanks and bodies of water
- Underwater target detection