HVFlo features MACE field proven Doppler velocity and level measurement sensors. Advanced spectrum signal processing allows HVFlo to produce superior results under a very wide range of hydraulic operating conditions.





  • The HVFlo operates under a very wide range of hydraulic conditions, and will produce accurate, repeatable results even under full pipe, surcharge or reverse flow conditions
  • Lightweight for easy handling
  • Rechargeable battery offers long-life without costly new batteries
  • Excellent data storage, typically 240 days @ 15 minute logging
  • Typically 150 days battery discharge cycle (@ 15 minute logging)
  • IP68 to 3 meters


  • Inflow & Infiltration Studies
  • Combined Sewer Overflow Studies
  • Pump Station Monitoring
  • Long & Short Term Sewer Flow Monitoring
  • Sewer System Capacity Analysis
  • Storm Water monitoring
  • Industrial discharge monitoring
  • Quantifying Rehabilitation Effectiveness
  • Billing Networks
  • Compliance metering