160 kHz gas metering across a 0.15 to 2 m reference range
The BBFM-Q160K is an ultrasonic gas flow measurement transducer specified for industrial gas flow meters, gas meters, gas velocity measurement and transit-time gas measurement modules.
Its center frequency is 160 kHz ±5%, with a reference range of 0.15 to 2 m. The half-power beam angle is 9.8° ±10% at -3 dB.
Performance and interface specifications
| Parameter | Specification |
|---|---|
| Model | BBFM-Q160K |
| Center frequency | 160 kHz ±5% |
| Recommended range | 0.15 to 2 m |
| Minimum impedance | 350 Ω ±20% |
| Capacitance | 900 pF ±20% at 1 kHz |
| Operating voltage | Peak voltage <450 Vpp |
| Operating temperature | -40 to +80°C |
| Pressure rating | ≤16 kgf or 1.6 MPa |
| Half-power beam angle | 9.8° ±10% at -3 dB |
| Housing material | Titanium alloy |
| Mounting | Refer to the product dimensional drawing |
| Protection rating | IP68 |
| Weight | 10.5 g ±5% with 22 cm cable |
Metering functions stated in the source
- Industrial gas flow meters
- Gas meters
- Gas velocity measurement
- Transit-time gas measurement modules
Matching the acoustic path and electronics
The acoustic path should be selected within the 0.15 to 2 m reference range while considering the 9.8° half-power beam angle, the operating gas and the available mounting geometry.
The electronic interface should be matched to the 350 Ω ±20% minimum impedance and the 900 pF ±20% capacitance measured at 1 kHz. Peak voltage must be kept below 450 Vpp.
Environmental and configuration checks
Confirm operation within -40 to +80°C and at no more than 16 kgf or 1.6 MPa. The transducer is rated IP68. The stated 10.5 g ±5% weight applies to the version with a 22 cm cable, while exact mounting dimensions should be taken from the product drawing.