Endress+Hauser Ultrasonic measurement Time-of-Flight Prosonic FDU90
007108-HW-ENDRESS-008
Overview
The Micropilot FMR30B provides accurate, maintenance-free radar level measurement with fast commissioning, Bluetooth connectivity, and compact design ideal for tight spaces and diverse utility applications.
Measuring principle
Ultrasonic
Characteristic / Application
Separated version with field housing or top hat rail housing for control cabinet instrumentation, 300m in-between sensor and transmitter
Specialities
Floating protection tube
Supply / Communication
4-wire (HART, PROFIBUS DP)
Accuracy
+/- 2mm + 0.17% of measured distance
Ambient temperature
-40 °C ... 80 °C
(-40 °F ... 176 °F)
Process temperature
-40 °C ... 80 °C
(-40 °F ... 176 °F)
Process pressure / max. overpressure limit
0.7 bar ... 4 bar abs
(10 psi ... 58 psi)
Main wetted parts
PVDF (IP68 / NEMA6P)
Process connection
Front side thread:
G / NPT 1 1/2"
Rear side thread:
G / NPT 1"
Ceiling mounting
Blocking distance
0.07 m (0.23 ft)
Max. measurement distance
Liquids: 3 m (9.8 ft),
Solids: 1.2 m (3.9 ft)
Communication
Transmitter:
4 ... 20 mA HART
PROFIBUS DP
Certificates / Approvals
ATEX, FM, CSA, IEC Ex, INMETRO, NEPSI, UK Ex
Options
Second 4...20mA output
Components
Transmitter:
FMU90, FMU95
Application limits
Foam / high turbulence possible:
FDU92
Flange-flush assembly:
FDU91F
For tank farms scanner:
FMU95
Equipped with 80 GHz technology, the FMR30B ensures reliable level monitoring in basins, rivers, sewers, tanks, silos, and stockpiles. Guided wizards simplify setup, while Heartbeat Technology enables on-demand verification and diagnostics without process interruption. With secure Bluetooth remote access and an intuitive color touch display, the device delivers efficient operation and reduced downtime across a wide range of industries.