Product Overview
BBFM-Q205K is a 205 kHz ultrasonic transducer for ultrasonic gas flow meters and gas metering modules. It features a titanium-alloy housing and an M8 threaded mounting structure and can be integrated as a transmitting and receiving acoustic element in gas-flow measurement systems.
The transducer supports a maximum operating pressure of 10 MPa, an operating temperature range of -40 to 100 °C, and IP68 protection. It is suitable for gas-flow measurement equipment with pressure, temperature, and sealing requirements.
Key Features
- 205 kHz center operating frequency
- 10 kHz bandwidth
- 13° nominal beam angle
- Titanium-alloy housing
- M8 threaded mounting
- Maximum operating pressure of 10 MPa
- -40 to 100 °C operating temperature
- IP68 protection
Technical Specifications
| Parameter | Value |
|---|---|
| Center operating frequency | 205 kHz ±4% |
| Bandwidth | 10 kHz |
| Combined transmitting and receiving sensitivity | ≥ -67 dB |
| Sensitivity test conditions | 20 Vp-p, 5 cycles, 5 cm transmitter-to-receiver distance |
| Beam angle (-3 dB full angle) | 13° |
| Capacitance | 290 pF ±20% |
| Minimum parallel impedance | 250 Ω ±30% |
| Maximum operating voltage | <200 V, pulse, 2% duty cycle |
| Operating temperature | -40 to 100 °C |
| Maximum operating pressure | 10 MPa |
| Parameter test temperature | 25 °C |
Mechanical Specifications
| Parameter | Value |
|---|---|
| Housing material | Titanium alloy |
| Mounting thread | M8 |
| Maximum outer diameter | 14 mm |
| Overall length | 40 mm |
| Protection rating | IP68 |
Typical Applications
- Ultrasonic gas flow meters
- Gas-flow measurement modules
- Industrial gas metering equipment
- OEM ultrasonic gas measurement systems