Fixed UFM

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A fixed installation, wall mounted clamp-on ultrasonic flowmeter. Its intuitive menu driven user interface and the layout of its display and keypad makes it incredibly easy to use. It incorporates heat quantity measurement functionality. It can accept up to 6 optional plug-in IO modules.

Sonic Driver FIXED-UFM datasheet 010724

Specification

  • Pipe outer diameters from 10 to 6500 mm.
  • 3 competitively priced ranges to suite common application areas;
    • Small 10 to 115 mm, domestic.
    • Medium 115 to 225 mm, commercial.
    • Large 225 to 6500 mm, process industries.
  • Control unit operational temperature from -10 to +65 degC.
  • Available in both 85 to 264 Vac and 12 to 24 Vdc PSU configurations at 10 W.
  • Standard 16MB internal data-logger.
  • Standard RS232 and USB serial communications.
  • Up to 6 optional plug in IO modules including:
    • Active/Passive current Output 0/4 to 20 mA.
    • Active/Passive current Input 0/4 to 20 mA.
    • Open Collector pulse.
    • Opto Relay pulse.
    • Relay (NO and NC) output.
    • PT100 input (4 wire).
    • Modbus RTU.

Features

  • Intuitive installation using menu driven user interface.
  • Full set of instrument and measurement diagnostics.
  • Signal oscilloscope for sensor positioning and diagnostics.
  • Internal database of pipe, fluid and lining materials.
  • Fluid database of sound speed, density, viscosity and SHC compensated for fluid temperature (if temperature is known from optional PT100 or 0/4 to 20 mA temperature transmitter input).
  • Heat quantity measurement (if inlet and outlet temperatures are known from optional PT100 inputs, 0/4 to 20 mA temperature transmitters or direct user entry).
  • Heat calculations made using either the SHC method, calculations as specified in EN1434-1 section 8 and its Appendix A or Russian standard to GSSSD.
  • All measured values can be totaled.
  • Connection to PC using both serial RS232 and built in USB.
  • Serial communications can be used for device remote programming, control and datalogger.

Performance

  • Flow velocity range 0.01 to 25 m/s.
  • Resolution 0.25 mm/s.
  • Repeatability 0.15 % of measured value.
  • Accuracy +/- 0.5 to +/- 3.0 % of measured value  for velocity greater than 0.2 m/s, depending on application.
  • Turn down ratio 1/100.
  • Measurement rate 1 Hz as standard.
  • Gas/solids < 10 % of volume.
  • Measurement: Flow velocity, Volumetric flow, Mass Flow, Energy flow.