Linear speed and direction sensor BBFM-V200K-B

waterproofairIP code

Overview
The BBFM-V200K-B is an ultrasonic wind speed and direction transducer designed for 2D and 3D ultrasonic anemometers, meteorological monitoring, ventilation airflow measurement and industrial duct monitoring. It operates at a center frequency of 200 kHz ±5% with a reference range of 0.10 to 1.5 m and an IP68 protection rating.

Primary configuration specifications
Model: BBFM-V200K-B
Center frequency: 200 kHz ±5%
Recommended range: 0.10 to 1.5 m
Minimum impedance: (300–500) Ω ±20%
Capacitance: 730 pF ±20% at 1 kHz
Operating voltage: Peak voltage <750 Vpp
Operating temperature: -40 to +80°C
Pressure rating: ≤3 kgf / 0.3 MPa
Half-power beam angle: 8° ±10% at -3 dB
Mounting dimensions: 16 × 11
Protection rating: IP68
Weight: 6.5 g ±5% with a 22 cm cable

Available beam configurations
200 kHz ±5% | 8° ±10% | -40 to +80°C
200 kHz ±5% | 11.3° ±10% | -40 to +80°C
200 kHz ±5% | 6.6° ±10% | -40 to +80°C
200 kHz ±5% | 14.5° ±10% | -40 to +60°C

Technical specifications

• Model: BBFM-V200K-B
• Center frequency: 200 kHz ±5%
• Recommended (reference) range: 0.10 to 1.5 m
• Half-power beam angles available: 6.6°, 8°, 11.3°, 14.5° (±10% at -3 dB)
• Dimensional (mounting) formats: primary 16 × 11; 14.5° configuration uses 14 × 11
• Minimum impedance: (300–500) Ω ±20%
• Capacitance: 730 pF ±20% at 1 kHz
• Operating (peak) voltage: <750 Vpp
• Operating temperature: -40 to +80°C (14.5° config: -40 to +60°C)
• Pressure rating: ≤3 kgf / 0.3 MPa
• Protection rating: IP68
• Weight: 6.5 g ±5% (with 22 cm cable)