High accuracy ultrasonic flow sensor for gas LPG insert to the LNG
gas pipes
The sensor is a complete ultrasonic flow metering system for
measurement of most gases, including:
- Natural gas
- Compressed air
- Fuel gases
- Erosive gases
- Corrosive gases
- Toxic gases
- High-purity gases
- Air separation gases
Parameters
Centre working frequency (kHz) | 200KHZ±4% |
Bandwidth(hz) | 20kHz |
overall sensitivity 0 dB=3 Vp-p; cycle:8; distance:8cm (transmitter and receiver) | -65dB min |
Beam angle(-3dBfull angle) | 12±2° |
electrostatic capacity | 2000PF±20% |
Minimal parallel impedance | 200Ω±30% |
Maxim operating voltage (Pulse Duty cycle ratio 2%) | <100V |
Operating temperature | -20~70℃ |
Protection class | IP65 |
Dimension
Testing curve