FL700 ExStik® Waterproof Fluoride MeterApplicationsSpecifically designed for the quick and accurate measurement of fluoride ions in drinking water and other aqueous samples, the ExStik FL700 incorporates a sensing electrode, measuring electronics, and display in one convenient package, making this unit ideal for field or laboratory testing. Features• 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)• In compliance with EPA Method 340.2.( Potentiometric Ion Selective Electrode)• Automatic electronic 1 or 2 point calibration with offset adjustment• Memory stores 25 labeled readings• Waterproof to IP57• Large LCD simultaneously displays ppm of Fluoride, Temperature, and analog bargraph indicator• Complete with electrode, TISAB reagent tablets, sensor cap, four 3V button batteries, and 48"(1.2m) neckstrap