Product Overview
BBFM-V200K is a 200 kHz ultrasonic transducer for ultrasonic anemometers and airflow measurement systems. It integrates a PTC heating element and provides a separate temperature-sensor connection.
The transducer features a 316 stainless-steel housing, a PTFE shielded cable, IP65 protection, and a wide operating temperature range. It is suitable for outdoor wind measurement, industrial airflow monitoring, and environmental measurement equipment.
Key Features
- 200 kHz center resonant frequency
- Integrated PTC heating element
- Integrated temperature-sensor connection
- 316 stainless-steel housing
- IP65 protection
- -40 to 70 °C operating temperature
Ultrasonic Specifications
| Parameter | Value |
|---|---|
| Center resonant frequency | 200 kHz ±4% |
| Frequency bandwidth | 10 kHz |
| Combined transmitting and receiving sensitivity | ≥ -80 dB |
| Blind zone | <10 cm |
| Transmitting beam angle (-3 dB full angle) | 20° ±2° |
| Capacitance | 400 pF ±20% |
| Minimum parallel impedance | 600 Ω ±30% |
| Maximum operating voltage | <500 V, pulse, 2% duty cycle |
| Operating temperature | -40 to 70 °C |
| Protection rating | IP65 |
| Parameter test temperature | 25 °C |
Heating and Mechanical Specifications
| Parameter | Value |
|---|---|
| Heating element | PTC ceramic heater |
| Heater resistance | 20-35 Ω |
| Heating voltage | 12 V |
| Heating temperature | 50-70 °C |
| Housing material | 316 stainless steel |
| Housing diameter | 12.24 mm |
| Housing length | 14.02 mm |
| Cable type | Two-core PTFE shielded cable |
| Cable length | 350 mm |
Wiring
| Wire | Function |
|---|---|
| Blue core wire | Transducer positive |
| Blue shield wire | Common negative |
| White wire | Temperature-sensor connection |
| Green wire | Heater positive |
Typical Applications
- Ultrasonic anemometers
- Industrial air-velocity measurement
- Outdoor wind and environmental monitoring equipment
- Ultrasonic measurement systems with heating and temperature sensing