Proximity ultrasonic transducer BBDM-33K-OM

measurement

Product overview
The BBDM-33K-OM is a 33 kHz air ultrasonic positioning transducer featuring a horizontally omnidirectional acoustic field. Reference range: 0.10 to 15 m. Typical applications include indoor positioning, ultrasonic beacons, omnidirectional sound sources and area presence detection.

Technical specifications
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
When selecting and integrating the BBDM-33K-OM, consider the operating medium and temperature, required measurement distance and acoustic path, target size and surface condition, available installation envelope, operating pressure and ingress protection, and the drive and receive electronics to ensure compatibility.

Technical features

• Model: BBDM-33K-OM
• Center frequency: 33 kHz ±5%
• Reference 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%