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ecoLog 800


The OTT ecoLog 800 is a self-contained system for measurement of water level, temperature, and conductivity in groundwater and surface water applications. The ecoLog 800 features a complete in-well solution for groundwater measurement and flexible remote data transmission options.

  • Application: Surface water, Groundwater
  • Measurement technology: Vented pressure cell and 4-electrode graphite conductivity cell
  • Parameters measured: Water level/Pressure, Water temperature, Conductivity
  • Product Highlights: Measures, stores, and transmits water level and temperature data
  • Measurement range: 0 … 4, 10, 20, 40, and 100 m
  • Accuracy: ± 0.05% FS
  • Internal data logger: Yes
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  • Remote data transmission: receive data, status messages, and low power warnings from the office via SMS, FTP, HTTP, and e-mail, eliminating field visits for data download and troubleshooting
  • Complete in-well solution: all components are inserted into the groundwater well, eliminating the possibility of instrument vandalism
  • Battery life: up to 10 years with lithium batteries, all batteries are field-replaceable without additional tools
  • Long-term accuracy: a robust ceramic pressure cell will not deform over time, and an accurate 4-electrode conductivity measuring cell provides outputs for salinity and total dissolved solids (TDS)
  • User-friendly interaction: only one program required to setup unit and download data, plus a simple infrared communication interface that provides easy on-site data download

Continuous or real-time water level, temperature, and conductivity measurement of:

  • Groundwater wells
  • Streams, rivers, channels, and canals
  • Reservoirs, lakes, and wetlands

Ideal for monitoring:

  • Continuous water level / water quality networks
  • Short-term or long-term projects
  • Salt water intrusion
  • Aquifer storage and recovery