| Measuring Principle | Ultrasonic | |
| Characteristic / Application | Compact ultrasonic transmitter | |
| Supply / Communication | 2-wire | |
| Accuracy | +/- 3 mm or +/- 0,2 % of set measuring range | |
| Ambient temperature | -20 °C ... 60 °C (-4 °F ... 140 °F) | |
| Process temperature | -20 °C ... 60 °C (- 4°F ... 140 °F) | |
| Process pressure absolute / max. overpressure limit | 0.7 bar ... 3 bar abs (10 psi ... 44 psi) | |
| Main wetted parts | PP/EPDM | |
| Process connection | G / NPT 1 1/2" G / NPT 2" | |
| Blocking distance | 1 1/2" :0.25 m (0.8 ft) 2" :0.35 m (1.15 ft) | |
| Max. measurement distance | Sensor 1-1/5": 5m (16 ft) Sensor 2" : 8m (26ft) | |
| Output | 4 ... 20 mA | |
| Options | Accessory Enclosed: UNI flange 2" ... 4" | |
| Application limits | For higher resistance: FMU41/42/FDU9x Foam / high turbulence possible: FMU42/FDU91 Fast filling and discharging rate: FMU90 + FDU9x Level limit detection: FMU90 + FDU9x | |
| Measuring Principle | Ultrasonic | |
| Characteristic / Application | Compact ultrasonic transmitter | |
| Supply / Communication | 2-wire | |
| Accuracy | +/- 3 mm or +/- 0.2 % of set measuring range | |
| Ambient temperature | -20 °C ... 60 °C (-4 °F ... 140 °F) | |
| Process temperature | -20 °C ... 60 °C (-4 °F ... 140 °F) | |
| Process pressure absolute / max. overpressure limit | 0.7 bar ... 3 bar abs (10 psi ... 44 psi) | |
| Main wetted parts | PP/EPDM | |
| Process connection | G / NPT 1 1/2" G / NPT 2" | |
| Blocking distance | Sensor 1 1/2": 0.25m Sensor 2" : 0.35m | |
| Max. measurement distance | Sensor 1-1/2": 2m(6.6ft) Sensor 2" : 3.5m (11ft) | |
| Output | 4...20mA | |
| Application limits | Take notice of range diagram | |