Waterproof ExStik Fluoride Meter Extech FL700

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)