Extech FL700 Waterproof ExStik Fluoride Meter


Key Features:

  • In compliance with EPA Method 340.2.( Potentiometric Ion Selective Electrode)
  • Large dual LCD displays ppm and Temperature with bargraph simultaneously
  • Range of Detection: 0.1 - 9.99 ppm or mg/L
  • Two point calibration
  • Memory stores 25 labeled readings
  • First Fluoride meter with built-in Automatic Temperature Compensation
  • Fastest response Fluoride meter (<1min)
  • Easy use for Field or Laboratory fluoride testing
  • Small sample/TISAB volume required for testing (10mL)

Secured and trusted checkout with

Direct reading of Total Fluoride down from 0.1 to 9.99ppm or mg/L
  Range Max. Resolution Basic Accuracy
 ppm 0.1 to 10ppm 0.1ppm ±3% rdg
 Temperature 32 to 140°F (0 to 60°C) 0.1°F/°C ±1.8°F/1°C
 Dimensions 1.4x6.8x1.6" (36x173x41mm)
 Weight 7.4oz (210g)


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  • Public Water Fluoridation Control — Fluoride is known to help prevent tooth decay while too much fluoride is known to be bad for the teeth
  • The concentration recommended by the American Dental Association is 0.7-1.2 ppm.
  • The MCL established by the EPA is 4.0 ppm
  • Fluoride is naturally occurring and in some areas in the US the natural level exceeds 4.0 ppm