- Reliable dry-run protection and monitoring of pumps, filtres or agitators
- Monitoring of filters or valves
- Very short response time < 1 s
- Not influenced by temperature fluctuations and conductivity
- Easy “Teach-In”
- Adjustable switching point
- Optional analog output for the rough measurement of flow rates
- Measurment unafffected by temperature changes

FWS-141 / FWA-141 Ultrasonic flow switch