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Hawk Measurement Sultan – Flow and Open Channel Measurement

Principle of Operation:

The Hawk Measurement Sultan Flow system uses sophisticated software to locate and track the correct echo without being affected by echos from fixed objects or changes in the liquid surface. When the liquid level or surface conditions change, the system follows preselected signal tracking parameters. In the event of a total loss of signal, the system adopts signal recovery routines to relocate the correct liquid level.

The system employs automatic gain control to compensate for changes in echo amplitude due to variations in environmental conditions. Continuous current, voltage and relay outputs are provided. These outputs can be programmed for failsafe conditions in the event of a loss of signal or system malfunction.

Primary Areas of Application:

  • Open Channel Flow Measurement
  • Water treatment
  • Sewage treatment
  • Irrigation
  • Industrial waste
  • Power waste
  • Environmental monitoring
  • Special flow requirements for unusual flow channels


  • Optimized frequency selections to suit the application environment
  • Capable of monitoring liquid flow under the most difficult conditions
  • Real time diagnostic display
  • Flexible, multi point or calculated scaling of display and outputs
  • Suits a broad range of flumes, weirs and flow control structures
  • Programmable totalizer
  • Programmable pulse per flow output
  • Programmable failsafe mode
  • Fast acting temperature compensation
  • 3G remote setup options and configuration
  • 4-20mA, HART, Modbus, Goshawk with 32 point flow table (via PC)

Measurement Range Max

20 Metres (65ft)

Power Requirements

12-30V DC, 90 to 250V ac (50-60Hz)

Transmitter Outputs


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