2In1 PH EC Meter Multi-Parameter Water Quality Monitor Acidometer for Aquarium ,Easy to Use

Separate pH and EC electrode, precise measurement. Can online monitor for a long time. Apply in water sources, aquarium, hydroponics, spas, swimming pools and other water systems. Automatic temperature compensation. Use to measure the pH / EC of solution. Large and clear LCD with backlight, easy to read and accurately measuring functions.You may also like SM1 Single Triple TDS Meter Online Water Quality Tester Digital Salinity Dissolved Oxygen Monitor ,Easy to Use.