Kerfoot Technologies, Inc. (formerly K-V Associates, Inc.)

KTI GeoFloModel 200 -Groundwater Flowmeters

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Controlled by laptop computer and 12 volt DC interface box electronics.   Used for determination of horizontal flow rate and direction. Probe is inserted into fuzzy packer filled with 2mm glass beads, which is then inserted into slotted well screen.Probe and packer unit deployed by means of interlocking aluminum rods, directed by attached magnetic compass.   Probe has 4 thermistors (2 pairs.
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  • Range:
  • Rate accuracy:
  • Direction accuracy:
  • Probe Specifications:
  • Probe Diameter:
  • Thermistors:
  • Weight:
  • Cable Length:
  • Cable Reel:
  • Interface Box Specifications:
  • Dimensions:
  • Weight:
  • 0.5 to 100 ft/day
  • ±10%
  • ±7° (0.020 wire-wrapped screen)
  • 1.75 inches
  • 4 (2 pairs)
  • 2.5 lbs + cable weight (1.14 lb/10 ft)
  • 100, 200, and 450 ft available
  • 12 lbs
  •  11.02" L, 9.05" W, 4.33" H
  • 15.5 lbs
  • *Experienced users may obtain results as low as 0.1 ft/day with optimal conditions or in the natural formation.