Ultrasonic flow transducer BBFM-Q1M-D

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Product overview
The BBFM-Q1M-D is a 1 MHz clamp-on ultrasonic flow transducer for external mounting on pipe. It is intended for clamp-on ultrasonic flow meters, pipeline flow monitoring, temporary flow testing and installations where pipe penetration is undesirable.

Electrical and operating data

• Model: BBFM-Q1M-D
• Center frequency: 1 MHz ±5%
• Minimum impedance: 30 Ω ±20%
• Capacitance: 5,000 pF ±20% at 1 kHz
• Operating (peak) voltage: <300 Vpp
• Operating temperature: -40 to +80°C
• Ingress protection: IP68

Available material and pressure configurations

• 1 MHz ±5% — Housing: 304 stainless steel and PEEK — Pressure rating: ≤3 kgf (0.3 MPa)
• 1 MHz ±5% — Housing: PI and ABS — Pressure rating: ≤10 kgf (1 MPa)
• 1 MHz ±5% — Housing: 304 stainless steel and PI — Pressure rating: ≤10 kgf (1 MPa)

Applications

• Clamp-on ultrasonic flow meters
• Pipeline flow monitoring
• Temporary flow testing
• Pipes where penetration is undesirable

Selection and integration
Choose the configuration based on the operating medium and temperature, required acoustic path, pipe material and condition, available installation space, pressure rating and ingress-protection needs. Verify compatibility with the drive and receive electronics and allow for acoustic couplant and correct sensor alignment.

Technical specifications

• Model: BBFM-Q1M-D
• Center frequency: 1 MHz ±5%
• Minimum impedance: 30 Ω ±20%
• Capacitance: 5,000 pF ±20% at 1 kHz
• Operating (peak) voltage: <300 Vpp
• Operating temperature range: -40 to +80°C
• Ingress protection: IP68
• Housing materials: 304 stainless steel, PEEK, PI, ABS
• Pressure ratings: ≤3 kgf (0.3 MPa) and ≤10 kgf (1 MPa)
• Designed for clamp-on external mounting — no pipe penetration required