Horizontal omnidirectional ultrasonic positioning
The BBDM-33K-OM is a 33 kHz air ultrasonic positioning transducer with a horizontally omnidirectional acoustic field. Its reference range is 0.10 to 15 m, and its intended applications include indoor positioning, ultrasonic beacons, omnidirectional sound sources and area presence detection.
Technical specifications
| Parameter | Specification |
|---|---|
| Model | BBDM-33K-OM |
| Center frequency | 33 kHz ±5% |
| Recommended range | 0.10 to 15 m |
| Minimum impedance | 600 Ω ±20% |
| Capacitance | 3,700 pF ±20% at 1 kHz |
| Operating voltage | Peak voltage <600 Vpp |
| Operating temperature | -40 to +80°C |
| Pressure rating | ≤3 kgf or 0.3 MPa |
| Acoustic field | Horizontally omnidirectional |
| Housing material | Aerospace foam and POM |
| Protection rating | IP66 |
| Weight | 240 g ±5% |
Applications
- Indoor positioning
- Ultrasonic beacons
- Omnidirectional sound sources
- Area presence detection
Selection and system integration
Selection should account for the operating medium and temperature, required measuring distance or acoustic path, target size and surface condition, available installation space, operating pressure, ingress protection, and the drive and receive electronics.