Rugged ultrasonic transducer BBDM-35K-OM

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Overview
The BBDM-35K-OM is a 35 kHz air ultrasonic positioning transducer with a horizontally omnidirectional acoustic field. It is designed for integration into indoor positioning systems, ultrasonic beacon networks and omnidirectional sound-source assemblies. Rugged construction and IP68 protection allow deployment in confined or humid environments.

Electrical and environmental specifications
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

Technical characteristics / technical specifications

• 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