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Prosonic FMU40 Ultrasonic Transmitters Chemically Resistant Sensor

Specifications

Accuracy:
±2 mm or ±0.2% of the set measuring range
Process Temperature:
-40°C to +80°C (-40°F to +176°F)
Process Pressure:
0.7 bar to 3 bar abs (10 psi to 44 psi)
Max. Measurement Distance:
Liquids: 5 m (16 ft)
Solids: 2 m (6.6 ft)
Main Wetted Parts:
PVDF (Polyvinylidene fluoride)
Field of Application:
The Prosonic FMU40 sensor is designed for non-contact level measurement in fluids, pastes, bulk materials, and flow measurement in open channels or weirs. It is suitable for use in storage tanks, agitators, stockpiles, and conveyor belts. The sensor features envelope curve display on-site for easy diagnostics and includes a linearization function for converting the measured values into length, volume, or flow rate units.

Features & Benefits

Reliable Non-Contact Measurement:
Accurate level measurement without physical contact with the medium.
Easy Commissioning:
On-site, menu-guided setup with a four-line plain text display in 7 selectable languages.
Envelope Curve Display:
A visual tool for simple diagnostics and troubleshooting.
Chemically Resistant Sensor:
Made from durable PVDF, ideal for chemically harsh environments.
Temperature Compensation:
An integrated temperature sensor adjusts the measurement based on the temperature-dependent sound velocity.
Calibration:
Calibration without the need for filling or discharging the tank.
Process Conditions:
Operating Temperature: -40 to +80°C (-40 to +176°F)
Pressure Range: 0.7 to 3 bar (10 to 44 psi)
Probes & Installation:
Process Connection: G or NPT 1½” thread
Blocking Distance:
Liquids & solids: 0.25 m (0.8 ft)
Communication & Integration:
Communication: 2-wire HART (4…20 mA)

Approvals and Certificates

  • Explosion Protection:
    ATEX, FM, CSA, TIIS, INMETRO, NEPSI

  • Application Limits:
    For Higher Resistance: Use FMU42/FDU9x
    For Foam / High Turbulence: Use FMU41/FDU91
    For Fast Filling and Discharging Rates: Use FMU90 + FDU9x
    For Level Limit Detection: Use FMU90 + FDU9x

    This Prosonic FMU40 ultrasonic level transmitter offers an accurate and reliable solution for continuous level and flow measurement in a variety of fluid and solid applications.