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Dr. Kyle Elkin, USDA-ARS Pasture Systems and Watershed Management Research Unit, University Park, PA 16802.

USDA’s fully automated, field portable instrument, a field portable ion chromatograph (FPIC), can be used for monitoring nutrients and inorganic contaminants in any fresh water source.

water quality sensor

Technology overview:

  • Produces no waste
  • Uses less than 50 mL water per month
  • Solar power capable
  • Adaptable to a range of contaminants
  • Comparable sensitivity to bench-top instruments

Instrumentation features:

  • Fully unattended operation with adaptive sampling rate
  • Real-time data acquisition, processing and reporting
  • Telemetry capabilities for data viewing, or error reporting
  • High surface area filtering for extended sampling life between scheduled maintenance interval