Non-contact ultrasonic transducer BBDM-100KR2M

high-frequencyproximitymeasurement

Product overview
The BBDM-100KR2M is an air-coupled ultrasonic distance transducer intended for short-range distance and presence sensing. It operates at a 100 kHz center frequency with a recommended detection range of 0.12–2 m. Typical applications include proximity detection, short-range positioning, object counting and compact level measurement. The transducer has a -3 dB half-power beam angle of 11.7° ±10% and is supplied in a rubber-housed, IP68 configuration weighing 22 g ±5% with a 25 cm cable.

Technical specifications
Parameter — Specification
Model — BBDM-100KR2M
Center frequency — 100 kHz ±5%
Recommended range — 0.12–2 m
Minimum impedance — 400 Ω ±20%
Capacitance — 800 pF ±20% (at 1 kHz)
Operating voltage — Peak voltage below 750 Vpp
Operating temperature — -40 to +80 °C
Pressure rating — Up to 3 kgf / 0.3 MPa
Beam characteristic — -3 dB half-power angle: 11.7° ±10%
Housing material — Rubber
Mounting — Refer to the product dimensional drawing
Protection rating — IP68
Weight — 22 g ±5% (with 25 cm cable)

Where this configuration fits

• Proximity detection in automation equipment
• Short-range positioning
• Counting and target detection
• Compact level measurement

Integration checks
Before selecting the BBDM-100KR2M, confirm required sensing distance, target surface properties, operating temperature range, pressure conditions, mounting space and ingress protection needs. Verify the 25 cm cable length and connection method against the equipment layout and ensure excitation/receive circuitry remains within the specified electrical limits.

Technical characteristics / Specifications

• Model: BBDM-100KR2M
• Center frequency: 100 kHz ±5%
• Recommended range: 0.12–2 m
• Minimum impedance: 400 Ω ±20%
• Capacitance: 800 pF ±20% (at 1 kHz)
• Operating voltage: Peak voltage below 750 Vpp
• Operating temperature: -40 to +80 °C
• Pressure rating: Up to 3 kgf / 0.3 MPa
• Beam characteristic: -3 dB half-power angle 11.7° ±10%
• Housing material: Rubber
• Protection rating: IP68
• Weight: 22 g ±5% (with 25 cm cable)
• Mounting: see product dimensional drawing