LeveLine CTD

The LeveLine CTD records highly accurate water level, temperature, conductivity and salinity measurements in a wide range of groundwater and surface water applications.

Housed inside the sealed body is a ceramic level sensor, temperature sensor, 10-year lithium battery and a versatile datalogger with capacity for 500,000 data points.


  • Saltwater Intrusion
  • Contaminant plume profiling
  • Tracer tests
  • Leachate monitoring
  • Groundwater level monitoring, pump tests, slug tests etc
  • Stream, lake and reservoir water level measurement
  • Wetland and flood water monitoring
  • Coastal monitoring
  • Tank level measurement
  • Long term continuous monitoring in boreholes, surface water and seawater applications
  • Spot Measurements


  • 0.05% FS Accuracy for Level
  • 1% of reading accuracy for conductivity and salinity
  • 500,000 data point memory
  • 10 Year Battery Life
  • Titanium Body
  • 5 Year Warranty
  • Included LeveLink PC Software for basic and advanced data compensation
  • SDI-12, RS485/MODBUS direct out communications
  • 22mm x 186mm
  • Vented option available