Endress Hauser Ultrasonic measurement Time-of-Flight Prosonic FMU41-ARB2A2
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
Field of application
The Prosonic FMU41 sensor is suited for non-contact level measurement in fluids, pastes, coarse bulk material and flow measurement in open channels or at weirs. The two-wire or four-wire compact transmitter can be used in applications with storage tanks, agitators, on stockpiles and conveyor belts. The envelope curve can be shown on the on-site display for simple diagnosis. Linearization function (up to 32 points) for conversion of the measured value into any unit of length, volume or flow rate.
Two-wire or four wire instrument for continuous non-contact level and flow measurement.
Process connection: Thread
Temperature: -40 to +80°C (-40 to +176°F)
Pressure: +0.7 to +3bar (+10 to +44psi)
Maximum measuring distance: Liquids 8m (26ft), Solids 3.5m (11ft)
Blocking distance: Liquids and Solids 0.35m (1.15ft)
International explosion protection certificates
Reliable non-contact measurement
Quick and simple commissioning via menu-guided on-site operation with four-line plain text display, 7 languages selectable
Envelope curves on the on-site display for simple diagnosis
Hermetically sealed and potted sensor
Chemically resistant sensor out of PVDF
Calibration without filling or discharging
Integrated temperature sensor for automatic correction of the temperature dependent sound velocity
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