SONO 3100 Inline Ultrasonic Flow Meter

  • Improved Accuracy Version 2 track version supplied as standard or 4 track version if improved accuracy is required
  • Range of Sizes Available Sizes from DN 100 to DN 1200 are available, with or without flanges
  • Easy to Replace Transducers Transducers can easily be changed/replaced without interrupting operation
Product Options


The SONO 3100 inline ultrasonic flowmeter used in combination with the FUS060 flow transmitter, is ideal for applications where process shut-down is impossible during service and where there is a need for extreme high/low temperatures and pressures. Transducers can easily be changed without interrupting operation. The SONO 3100 can optionally be supplied as a 4-track solution for absolute best accuracy and performance.

This system consists of a SONO 3100 sensor, transducers with O rings or flanges (depending on selection) and a SITRANS FUS060 transmitter. The SONO 3100 ultrasonic flow meter is supplied with and without flanges in sizes from DN 100 to DN 1200. It is as standard available in carbon/stainless steel from DN 100 to DN 1200. The FUS060 is designed for wall mounting only.

The SITRANS FUS060 holds ATEX for hazardous areas, HART and PROFIBUS PA.
The SONO 3100 holds ATEX Ex approval.


  • Transducers can be replaced under pressure
  • Measurement of all liquids less than 350 Cst, conductive or non-conductive
  • Reliable and accurate flow measurements
  • Long-time stability
  • No pressure drop
  • On request:
    - Special sensor material, e.g. Duplex
    - High/low temperature sensor version: +250 °C (+482 °F) / -200 °C (-328 °F) sensors
    - Pressure rating 430 bar (6235 psi)
    - 4-track sensor technology

Manufactured by: Siemens-Milltronics
Model: SONO 3100 Inline Ultrasonic Flow Meter

Services offered for this product

  • Sales
  • Rental
  • Installation
  • Calibration
  • Maintenance


Petrochemical industry
Power engineering
Water and waste water
Oil and liquefied gases


Measuring Range Qn 28 to 13200 m3/h (depends on size)
Nominal Size From DN 100 to DN 1200 (4" to 48")
Accuracy ±0.5% of flow rate
Operational Pressure Max. 430 bar (Max. 6235 psi)
Operational Temperature From -20 to 85 °C (-4 to 185 °F)
Medium Temperature From -200 to 200 °C (-328 to 392 °F)
Design 2 track (on request up to 4 tracks)
Material Stainless steel and carbon steel
Approval ATEX


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