Air-flow Measurement for Tunnel Ventilation
Product Description
Airflow measurement for ventilation control in road tunnels.
Components:
- Differential pressure reader
- Differential pressure measurement
- Variable control unit
Advantages:
- Longitudinal flow measurement
- Directional recognition
- For high temperatures
- No moving parts
- Variable control unit
- Easy maintenance
- Long-term stability
Technical Specification
Technical specifications:
Measuring range: ± 20m / s
Accuracy: ± 0.1m / s
Response time: 25ms to 60s
Outputs: 6 analogue outputs
4 ... 20 mA, 0 ... 10 VDC
6 Potential free contacts
2 digital inputs 2 A, 250 VAC
Bus systems: Modbus, RS 485, USB service
Conformity: RVS 09.02.22 + RVS 09.02.31
Electrical safety: CE