A horizontal omnidirectional field for positioning layouts
The BBDM-35K-OM is a 35 kHz air ultrasonic positioning transducer with a horizontally omnidirectional acoustic field.
It is intended for indoor positioning, ultrasonic beacons, omnidirectional sound sources and area presence detection.
Electrical and environmental specifications
| Parameter | Specification |
|---|---|
| Model | BBDM-35K-OM |
| Center frequency | 35 kHz ±5% |
| Minimum impedance | 31 Ω ±20% |
| Capacitance | 40,000 pF ±20% at 1 kHz |
| Operating voltage | Peak voltage below 900 Vpp |
| Operating temperature | -40 to +80 °C |
| Pressure rating | Up to 10 kgf or 1 MPa |
| Acoustic field | Horizontally omnidirectional |
| Housing materials | Stainless steel and ABS |
| Protection rating | IP68 |
Applications
- Indoor positioning
- Ultrasonic beacons
- Omnidirectional sound sources
- Area presence detection