| Measuring Principle | Ultrasonic | |
| Characteristic / Application | Separated version with Field housing or top hat rail housing for control cabinet instrumentation, up to 6 relays for pump / rake / limit control, 1 or 2 channel version | |
| Specialities | Protection Class IP 66 / NEMA 4x automatic sensor recognition of FDU9x sensors option: flow measurement for open channel and weirs or additional pump control functions | |
| Supply / Communication | 90 ... 253 VAC 10.5 ... 32 VDC up to 2x 4...20mA HART Profibus DP | |
| Accuracy | +/- 2mm + 0.17% of measured distance | |
| Ambient temperature | -40 °C ... 60 °C (-40 °F ... 140 °F) | |
| Communication | up to 2x 4 ... 20 mA HART Profibus DP | |
| Certificates / Approvals | ATEX, CSA | |
| Options | Illuminated display, 6 line graphic display with country specific menu guidance, on-site diagnosis with envelope curve on display | |
| Components | Sensors FDU9x | |
| Measuring Principle | Ultrasonic | |
| Characteristic / Application | Separated version with Field housing or top hat rail housing for control cabinet instrumentation, up to 6 relays for limit control, 1 or 2 channel version | |
| Specialities | Protection Class IP 66 / NEMA 4x automatic sensor recognition of FDU9x sensors | |
| Supply / Communication | 90 ... 253 VAC 10.5 ... 32 VDC up to 2x 4...20mA HART Profibus DP | |
| Accuracy | +/- 2mm + 0.17% of measured distance | |
| Ambient temperature | -40 °C ... 60 °C (-4 °F ... 140 °F) | |
| Communication | up to 2x 4 ... 20 mA HART Profibus DP | |
| Certificates / Approvals | ATEX, CSA | |
| Options | Illuminated display, 6 line graphic display with country specific menu guidance, on-site diagnosis with envelope curve on display | |
| Components | Sensors FDU9x | |
| Measuring Principle | Ultrasonic | |
| Product headline | Separated version with field housing or top hat rail housing for control cabinet instrumentation, up to 6 relays for tendency alarm, flow pulse output or backwater / sludge alarm, 1 or 2 channel version | |
| Sensor features | pre-programed flow curves for typical open channel measurement | |
| Degree of protection | IP66 (Fieldhousing) IP20 (top hat rail housing) | |
| Display/Operation | Illuminated display, 6 line graphic display with country specific menu guidance, on-site diagnosis with envelope curve on display | |
| Outputs | 4...20mA HART Optional: second 4...20 mA output (e.g. for 2 times flow measurement 1 relay (standard) Optional: 3 or 6 relays | |
| Inputs | up to 2 FDU9x sensors | |
| Digital communication | HART, Profibus DP | |
| Hazardous area approvals | FMU allowed to operate FDU9x in Ex-zone | |