Ultrasonic Level Sensor FDU91-RG1AA

Brand Endress+Hauser

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Inhouse product

Brand Endress+Hauser

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Measuring principle
Ultrasonic
Characteristic / Application
Separated version with field housing or top hat rail housing for control cabinet instrumentation, 300 m in-between sensor and transmitter
Supply / Communication
4-wire (HART, PROFIBUS DP)
Accuracy
+/- 2 mm + 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 (fully welded IP68 / NEMA6P)
Process connection
G / NPT 1"
Blocking distance
0.3 m (1 ft)
Max. measurement distance
Liquids: 10 m (33 ft),
Solids: 5 m (16 ft)
Communication
Transmitter:
4 ... 20 mA HART
PROFIBUS DP
Certificates / Approvals
ATEX, FM, CSA, IEC Ex, INMETRO, NEPSI, UK Ex
Options
Second 4...20 mA output
Components
Transmitter:
FMU90, FMU95
Application limits
Foam / high turbulence possible:
FDU92
Flange-flush assembly:
FDU91F
For tank farms scanner:
FMU95