Horizontal coverage for ultrasonic positioning
The BBDM-15K-OM is a 15 kHz air ultrasonic positioning transducer with a horizontally omnidirectional acoustic field. Its coverage pattern is suited to indoor positioning, ultrasonic beacons, omnidirectional sound sources and area presence detection.
Electrical and environmental specifications
| Parameter | Specification |
|---|---|
| Model | BBDM-15K-OM |
| Center frequency | 15 kHz ±5% |
| Minimum impedance | 45 Ω ±20% |
| Capacitance | 70,000 pF ±20% at 1 kHz |
| Operating voltage | Peak voltage <450 Vpp |
| Operating temperature | -40 to +80°C |
| Pressure rating | ≤3 kgf or 0.3 MPa |
| Acoustic field | Horizontally omnidirectional |
| Housing material | ABS and aluminum |
| Protection rating | IP68 |
Applications
- Indoor positioning
- Ultrasonic beacons
- Omnidirectional sound sources
- Area presence detection
Selection and system integration
Selection should account for the operating medium and temperature, the required measuring distance or acoustic path, target size and surface condition, available installation space, operating pressure, ingress protection, and the drive and receive electronics.