Ultrasonic level sensor Prosonic FMU4x FMU41
Brand: Endress+Hauser
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Ultrasonic level sensor Prosonic FMU4x FMU41
Brand: Endress+Hauser
Extended Specs at a Glance
Process pressure / max. overpressure limit:
0.7 bar ... 3 bar abs
(10 psi ... 44 psi)
(10 psi ... 44 psi)
Main wetted parts:
PVDF
Process temperature:
-40 °C ... 80 °C
(-40 °F ... 176 °F)
(-40 °F ... 176 °F)
Max. measurement distance:
Liquids: 8 m (26 ft),
Solids: 3.5 m (11 ft)
Solids: 3.5 m (11 ft)
Accuracy:
+/- 2 mm or +/- 0,2 % of set measuring range 1)
Field of application
The Prosonic FMU41 is an ultrasonic level sensor designed for non-contact level measurement of liquids and bulk solids. This versatile device can be used in both two-wire and four-wire systems, making it suitable for sophisticated applications. Utilizing the Time-of-Flight method, it ensures accurate and reliable measurements.
Specifications
Brand
Industry
- Chemical
- Water, Wastewater & Waste
- Food & Beverage
- Power & Energy
- Mining, Minerals & Metals
- Oil & Gas
- Pulp & Paper (incl. Printing)
Product Family
- Prosonic
Continuous / Liquids
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, IEC, 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:
Continuous / Solids
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, IEC, INMETRO, NEPSI
Application limits
- Take notice of range diagram
Liquids
Product headline
- Compact ultrasonic measuring instrument
- Cost effective solution for open channels
Max. measurement error
- > 2 mm depending on flow application
Measuring range
- Measuring distance 0.4...8 m [1.3...26 ft]
Max. process pressure
- 0.7 bar...3 bar (10 psi...44 psi)
Medium temperature range
- -40°C...80°C
- (-40°F...176°F)
Degree of protection
- IP68
Outputs
- 4...20mA HART
Inputs
- 2-wire
Digital communication
- HART
Hazardous area approvals
- ATEX, IEC, FM, CSA, INMETRO, NEPSI
