Application
Continuous, non-contact level measurement of fluids, pastes, sludges and powdery to coarse bulk materials
Flow measurement in open channels and measuring weirs
Maximum measuring range
FDU90: 3 m (9.8 ft) in fluids; (1.2 m 3.9 ft) in bulk materials
FDU91/FDU91F: 10 m (33 ft) in fluids; 5 m (16 ft) in bulk materials
FDU92: 20 m (66 ft) in fluids; 10 m (33 ft) in bulk materials
FDU93: 25 m (82 ft) in fluids; 15 m (49 ft) in bulk materials
FDU95: 45 m (148 ft) in bulk materials
FDU96: 70 m (230 ft) in bulk materials
Suited for explosion hazardous areas
Your benefits
Non-contact measurement method; minimizes service requirements
Integrated temperature sensor for time-of-flight correction. Accurate measurements are possible, even if temperature changes are present
Hermetically welded PVDF sensors FDU91/92 for fluid measurement, for highest chemical resistance
Integrated automatical sensor detection for transmitters FMU90, simple commissioning
Can be installed up to 300 m (984 ft) from the transmitter
Suited for rough ambient conditions thanks to separate installation from the transmitter
Reduced build-up formation because of the selfcleaning effect
Integrated heating against a build-up of ice at the sensor (optional), ensures reliable measurement
Weather resistant and flood-proof (IP68)
Dust-Ex and Gas-Ex certificats available (ATEX, FM,CSA)