Prosonic T FMU30
Compact ultrasonic level transmitter for liquids and bulk solids
SKU: FMU30
Highlights
- Maximum measuring distance: Sensor 1½" for liquids 5m (16ft) and for bulk solids 2m (6.6ft),
- Maximum measuring distance: Sensor 2" for liquids 8m (26ft)and for bulk solids 3.5m (11ft)
- Accuracy: ± 3 mm or ± 0.2 % of set measuring range
- Continuous level measurement in fluids, pastes, sullages and coarse bulk materials
- Explosion protection certificates
- Linearization function (up to 32 points) for conversion of the measured value into any unit of length, volume or flow rate
Fields of application
- Sewage treatment plants and process water tanks
- Loading, storage and buffer tanks
Details
The FMU30 ultrasonic sensor by Endress+Hauser offers proven software algorithms and all warning and alarm messages are shown on the four-line plain text display and guarantee fast remedy of problems. The envelope curve can also be shown on the display. As the analysis results are displayed directly on-site, this ensures quick and accurate error diagnostics.
General Information
| Measuring principle | Ultrasonic |
|---|---|
| Sensor frequency | 1½" sensor: approx. 70 kHz 2" sensor: approx. 50 kHz |
| Medium type | Fluids, liquids, pastes and coarse bulk solid |
| Measurement level range | Liquids up to 5 m (Sensor 1½”), 8 m (Sensor 2”) Solids up to 2 m (Sensor 1½”), 3.5 m (Sensor 2”) |
| Measured value resolution | 1 mm (0.04") |
| Blocking distance | Sensor 1 1/2": 0.25 m (0.8 ft) Sensor 2": 0.35 m (1.15 ft) |
| Beam angle | 11° |
| Maximum allowable pressure | 3 bar |
| Process temperature range | -20 to 60 °C (-4 to 140 °F) |
| Process pressure range | 0.7 to 3 bar (10 to 44 psi) |
| Sensor accuracy | +/- 3 mm or +/- 0.2 % of set measuring range |
| Display type | LCD |
| Configuration | Via 3 keys directly at the instrument |
Input/Output
| Output | 4...20 mA |
|---|---|
| Transmitter output type | 4...20 mA |
Mechanical Data
| Installation type | Vessel, Tank, Shaft, flume or open channel |
|---|---|
| Installation position | On top |
| Process connection | G / NPT 1½" (thread) G / NPT 2" (thread) |
| Wetted material | PP/PC/EPDM |
| Housing material | F16 plastic housing |
| Degree of protection | IP68 IP20 IP66 |
Electrical Data
| Power supply | 14 to 35 V |
|---|---|
| Current consumption | Min. 3.6 mA Max. 22 mA |
| Transmitter connection wiring | 2-wire |
Certification/Approvals
| Hazardous approvals | ATEX, CSA C/US, IEC Ex, NEPSI |
|---|---|
| Other Approvals/ Certification | CE |
Additional Information
| Ambient temperature range | -20 to 60 °C (-4 to 140 °F) |
|---|---|
| Storage temperature | -40 to 85 °C (-40 to 185 °F) |
| Vibration resistance | Yes |
| Reverse polarity protection | Yes |
| Overvoltage protection | Yes |
| Electromagnetic compatibility (EMC) | EN 61326 |
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