Endress + Hauser FDU91-RG1AA
| 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 |
| 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 absolute / 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 | 10 m (33 ft) |
| Communication | Transmitter: 4 ... 20 mA HART Profibus DP |
| Certificates / Approvals | ATEX, FM, CSA, IEC Ex, TIIS, INMETRO, NEPSI |
| Options | Second 4...20mA output |
| Components | Transmitter: FMU90, FMU95 |
| Application limits | Foam / high turbulence possible: FDU92 Flange-flush assembly: FDU91F For tank farms sca |
| 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 |
| 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 absolute / 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 | 10 m (33 ft) |
| Communication | Transmitter: 4 ... 20 mA HART Profibus DP |
| Certificates / Approvals | ATEX, FM, CSA, IEC Ex, TIIS, INMETRO, NEPSI |
| Options | Second 4...20mA output |
| Components | Transmitter: FMU90, FMU95 |
| Application limits | Foam / high turbulence possible: FDU92 Flange-flush assembly: FDU91F For tank farms sca |
