Sultan Sonar System for Submerged Interface Level Measurement

Brand: Hawk Measurement Systems

The HAWK Sultan Sonar uses Advanced Sonar Technology to measure and control Waste Water Clarifiers and Thickeners. The system is easy to use and the innovative design provides critical plant control to optimize performance.

In the water, wastewater industry process conditions will vary greatly between a primary sedimentation tank, secondary/final clarifier, and a gravity thickener.

Thickener bed levels, secondary RAS blanket, flocculent blanket, etc, all have different densities and the water above these interface levels are subject to different process conditions that change.
  • Improved efficiency and control of the treatment process
  • Fully automated plant systems with reliable sludge blanket level monitoring
  • Advanced warning of biological upset or hydraulic imbalance
  • Reduced maintenance with 5 year cleaning mechanism warranty (no blades to replace)
  • Reduced site operational costs significantly with improved process control for downstream operations
  • Improved health and safety on site with compliance to OSHA regulations (no manual dips required)


Housing Material

  • Polycarbonate

Power Supply

  • 12-30 Vdc
  • 36-60 Vdc
  • 12-30 Vdc and 90-260 Vac


  • Modbus
  • 5 x SPDT Relays
  • 4-20 mA Analogue w/wo HART Isolated 4-Wire
  • Profibus PA / DP
  • FOUNDATION Fieldbus
  • DeviceNet
  • 4-20 mA with Modbus over Ethernet TCP/IP
  • 4-20 mA with Modbus over Wi Fi

Certifications & Approvals

  • ATEX
  • CSA

  • Primary Sedimentation - Blanket Level 
  • Secondary and Final Clarifiers - RAS Blanket Layer 
  • Sequential Batch Reactors - Blanket Monitoring (Floating Sonar) 
  • Lagoons - Sludge Bed Level 
  • Lamella Clarifier - Sludge Bed Level 
  • Gravity Filtration and Settling

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