•Direct reading of Total Fluoride from 0.1 to 9.99 ppm or mg/L. •First fluoride meter with built-in Automatic Temperature Compensation. •Range: 0.1 to 9.99 ppm or mg/L, 0 to 60°C (32 to 140°F). •Accuracy: ±3% of reading. •Two point calibration. •Fast response (<1 min). •Easy use for field or laboratory fluoride testing. •Small sample/TISAB volume required for testing (10 ml). •In compliance with EPA Method 340.2 (Potentiometric Ion Selective Electrode). •Large dual LCD displays ppm and temperature with bar graph simultaneously. •Memory stores 25 labeled readings. •Auto power off after 10 minutes. •Waterproof to IP57. •Low Battery Indicator. •Complete with electrode, protective cap, sample cup, reagent tablets, four 3V CR2032 batteries, and 1.2 m neckstrap.