Endress+Hauser
Endress+Hauser Ultrasonic measurement Time-of-Flight Prosonic FDU91
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Process temperature | -40 °C ... 80 °C (-40 °F ... 176 °F) |
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Process pressure / max. overpressure limit | 0.7 bar ... 4 bar abs (10 psi ... 58 psi) |
Max. measurement distance | Liquids: 10 m (33 ft), Solids: 5 m (16 ft) |
Accuracy | +/- 2 mm + 0.17% of measured distance |
Main wetted parts | PVDF (fully welded IP68 / NEMA6P) |
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, EAC 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 |
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 / max. overpressure limit | 0.7 bar ... 4 bar abs (10 psi ... 58 psi) |
Main wetted parts | PVDF (fully welded IP68 / NEMA 6P) |
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, JPN Ex, INMETRO, NEPSI, EAC Ex |
Options | Second 4...20mA output |
Components | Transmitter: FMU90 |
Measuring principle | Ultrasonic |
Product headline | Version with separate transmitter in field housing or top hat rail housing Cost effective solution for open channel flow measurement in water / wastewater plants |
Max. measurement error | accuracy: distance measurement: +/- 2mm + 0.17% resolution: distance measurement: 1mm |
Measuring range | max measuring distance up to 10m / 32ft |
Max. process pressure | atm. |
Medium temperature range | -40...80°C (-40...176°F) |
Degree of protection | IP68 |
Display/Operation | Transmitter |
Outputs | Transmitter: 4...20mA HART Option: second 4...20mA output |
Inputs | Transmitter |
Digital communication | HART, PROFIBUS DP |
Hazardous area approvals | ATEX, FM, CSA, IEC Ex, INMETRO, NEPSI, EAC Ex |
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