Endress+Hauser
Compact Ultrasonic Level Transmitter Prosonic FMU41
- SKU:
- Compact Ultrasonic Level Transmitter Prosonic FMU41 series
- Weight:
- 0.00 Grams
Description
Application
The Prosonic FMU41 is designed for non-contact level measurement in liquids, pastes, coarse bulk materials, and for flow measurement in open channels or at weirs. This versatile compact transmitter, available in two-wire or four-wire configurations, is ideal for use in storage tanks, with agitators, on stockpiles, and conveyor belts. It features an on-site display that can show the envelope curve for straightforward diagnostics. Additionally, it includes a linearization function (up to 32 points) that allows for conversion of the measured values into any desired unit of length, volume, or flow rate.
- Configuration: Two-wire or four-wire setup for continuous, non-contact level and flow measurement.
- Process Connection: Threaded
- Temperature Range: -40 to +80°C (-40 to +176°F)
- Pressure Range: +0.7 to +3 bar (+10 to +44 psi)
- Maximum Measuring Distance: 8m (26ft) for liquids, 3.5m (11ft) for solids
- Blocking Distance: 0.35m (1.15ft) for both liquids and solids
- Certifications: International explosion protection certificates
Benefits
- Dependable Non-Contact Measurement: Ensures accurate readings without physical contact with the medium.
- Easy Setup and Operation: Quick commissioning through a user-friendly, menu-guided on-site interface with a four-line plain text display available in seven languages.
- Diagnostic Capabilities: On-site display of envelope curves for straightforward diagnostics.
- Robust Design: Features a hermetically sealed and potted sensor made from chemically resistant PVDF material.
- Simplified Calibration: Allows calibration without the need to fill or empty the vessel.
- Integrated Temperature Sensor: Automatic correction of temperature-dependent sound velocity ensures consistent accuracy.
SPECIFICATIONS
Pressure Specifications
| Measuring principle | Ultrasonic |
| Characteristic / Application | Compact ultrasonic transmitter |
| Supply / Communication | 2-wire HART |
| Accuracy | +/- 2 mm or +/- 0,2 % of set measuring range |
| 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 ... 3 bar abs (10 psi ... 44 psi) |
| Main wetted parts | PVDF |
| Process connection | G / NPT 2" |
| Blocking distance | 0.35 m (1.15 ft) |
| Max. measurement distance |
Liquids: 8 m (26 ft), Solids: 3.5 m (11 ft) |
|
Communication |
4...20 mA HART |
| Certificates / Approvals | ATEX, FM, CSA, TIIS, INMETRO, NEPSI |
| Application limits |
For higher resistance: FMU42/FDU9x Foam / high turbulence possible: FMU42/FDU91 Fast filling and discharging rate: FMU90 + FDU9x Level limit detection: FMU90 + FDU9x |
Continuous / Solids Specifications
| Measuring principle | Ultrasonic |
| Characteristic / Application | Compact ultrasonic transmitter |
| Supply / Communication | 2-wire HART |
| Accuracy | +/- 2 mm or +/- 0,2 % of set measuring range 1) |
| 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 ... 3 bar abs (10 psi ... 44 psi) |
| Main wetted parts | PVDF |
| Process connection | G / NPT 2" |
| Blocking distance | 0.35 m (1.15 ft) |
| Max. measurement distance |
Liquids: 8 m (26 ft), Solids: 3.5 m (11 ft) |
| Communication | 4...20 mA HART |
| Certificates / Approvals | ATEX, FM, CSA, TIIS, INMETRO, NEPSI |
| Application limits | Take notice of range diagram |
Take notice of range diagram
| Measuring principle | Ultrasonic |
| Product headline |
Compact ultrasonic measuring instrument Cost effective solution for open channels |
| Max. measurement error | Low accuracy |
| Measuring range | Measuring distance 0,4...8m [1.3...26ft] |
| Max. process pressure | atm. |
| Medium temperature range |
-40°C...80°C (-40°F...176°F) |
| Degree of protection | IP68 |
| Outputs | 4...20mA(Hart),PA,FF |
| Inputs |
2-wire 16-36V DC 4-wire 16-36V DC 90-253V AC 50/60Hz |
| Digital communication | PROFIBUS PA, FOUNDATION Fieldbus |
| Hazardous area approvals | ATEX, FM, CSA |
Documents
You may want to read this product's catalog. If so, please click to view the Endress+Hauser Ultrasonic measurement Time of Flight Prosonic FMU41 Series datasheet.