Immersible ultrasonic transducer BBFM-Q32K

measurement

Wetted ultrasonic transducer for liquid-flow measurement
The BBFM-Q32K is intended for industrial liquid flow meters, pipe velocity measurement, water-treatment flow monitoring and embedded flow measurement modules. Its specified center frequency is 32 kHz ±20%.

Acoustic specification
The acoustic specification gives a half-power beam angle of 20° ±10% at -3 dB. This beam characteristic should be considered with the required acoustic path when positioning the transducer.

Electrical and environmental specifications
Model: BBFM-Q32K
Center frequency: 32 kHz ±20%
Minimum impedance: 30 Ω ±20%
Capacitance: 75000 pF ±20% at 1 kHz
Operating voltage: Peak voltage <3000 Vpp
Operating temperature: -40 to +80°C
Pressure rating: ≤10 kgf or 1 MPa
Half-power beam angle: 20° ±10% at -3 dB
Housing material: 304 + PI
Mounting: Refer to product dimensional drawing
Protection rating: IP68

Specified liquid-flow uses

• Industrial liquid flow meters
• Pipe velocity measurement
• Water-treatment flow monitoring
• Embedded flow measurement modules

Integration points
Match the transmit and receive electronics to the stated minimum impedance of 30 Ω ±20% and capacitance of 75000 pF ±20% at 1 kHz. The peak voltage must remain <3000 Vpp. Use the dimensional drawing to verify the mounting interface and available space. The completed installation must operate within -40 to +80°C and no more than 10 kgf or 1 MPa while retaining the stated IP68 protection.

Technical specifications

• Model: BBFM-Q32K
• Center frequency: 32 kHz ±20%
• Minimum impedance: 30 Ω ±20%
• Capacitance: 75000 pF ±20% at 1 kHz
• Operating voltage: Peak voltage <3000 Vpp
• Operating temperature range: -40 to +80°C
• Pressure rating: ≤10 kgf or 1 MPa
• Half-power beam angle: 20° ±10% at -3 dB
• Housing material: 304 stainless steel + PI
• Mounting: see product dimensional drawing for interface
• Protection rating: IP68