... PPM/CF stick, EC/PPM/CF meter PH stick, EC stick meter, CF stick meter, PPM stick meter, Nutrient Truncheon, EC/PPM/CF stick ... (ATC) technology, the measured value will be adjusted due to temperature change.5. Waterproof design: It is waterproof from the electrode ... CF0.1EC10 ppmAccuracy±2% FSTemp5 - 50°C (ATC)CalibrationOne point at 6.7 ECPower supplyDC9v batteryDisplayLCD with illumination, with hold ...