Sigma Hellas Ltd contact information

If you still have problems, please let us know, by sending an email. Thank you!

Working Hours

Mon - Fri: 08:00 - 16:00 (EET)
Sat: Closed
Sun: Closed


Floating Water Quality Monitoring Stations

We provide complete custom made systems and instrumentation on buoys for lakes, rivers and sea with:-

  • Telemetry and Data aquisition systems
  • Water quality sensors
  • Buoys and platforms
  • Batteries
  • Antennae
  • Mooring systems


  • Water Quality monitoring
  • Dredging
  • Construction
  • Swimming water
  • Cooling water discharges
  • Short term monitoring

Eco 400

Model Eco 400 has been designed to provide a quick and easy solution for all water quality monitoring !


  • Quickly deployable system by one person !
  • Remote system to reduce maintenance costs : receive the data directly at your desk !
  • 1 to 4 digital sensors avaiblable
  • Easy to transport to the field on bridges and piers !
  • Mooring failure detection and alarm on your mobile phone


  • University/research
  • Stormwater
  • Construction and dredging