15 kHz sensing for long underwater paths
The BBDM-D15K is an underwater ultrasonic transducer for ranging and depth measurement. Its center frequency is 15 kHz ±5%, with a recommended reference range of 1000 m. Applications include underwater ranging and depth measurement, obstacle avoidance for underwater robots, distance measurement in tanks and bodies of water, and underwater target detection.
Technical specifications
| Center frequency | 15 kHz ±5% |
|---|---|
| Recommended reference range | 1000 m |
| Minimum impedance | 600 Ω ±20% |
| Capacitance | 11000 pF ±20% at 1 kHz |
| Operating voltage | Peak voltage <2000 Vpp |
| Operating temperature | -40 to +80 °C |
| Pressure rating | ≤10 kgf or 1 MPa |
| Half-power beam angle | 129° ±10% at -3 dB |
| Protection rating | IP68 |
Acoustic-field and pressure configurations
Two configurations share the same 15 kHz ±5% center frequency. The horizontally omnidirectional version is rated to ≤3 kgf or 0.3 MPa. The version with a 129° ±10% half-power beam angle at -3 dB is rated to ≤10 kgf or 1 MPa.