The FLIR ExStik 4-in-1 Water Quality Meter Kits r measures Chlorine, pH, ORP plus Temperature with interchangeable flat surface electrodes (included). Its Memory stores and recalls 15 readings and saves last calibrated value. Its Flat surface electrodes work in liquids, semi-solids and solids. It has Simultaneous display of ppm or pH and °C/°F Temperature.
Data Hold, Auto shut-off and low battery indication Waterproof design floats in wet environment (IP57) Automatic Temperature Compensation