Product Description Mture pH meter is the perfect device for determining acidity. or alkalinity liquids. It is extremely easy to use. use (just immerse the electrode in a liquid) and the measurements are automatically displayed. With the 0.01 pH resolution, you can achieve better than 100% accuracy. other pH meters. The electrode is designed with more durability. in order to provide longer product life. Applied range: production and drinking purified water, liquid electroplating, boiler water, water in aquarium, swimming pool water, photo rinsing liquid, well water, deep water table, laboratories, aquaculture, food processing, etc. Operation 1. Remove the protective cover, firstly dispose of the pH meter electrode in distilled water, then dry it by the filter paper. 2. Open the pH meter switch located above the battery compartment. 3. Put the pH electrode in the solution until the solution approaches the immersion line or slightly exceeds it; lightly mix the solution until the number is stable, so read the displayed number. (After use, turn off the pH meter and remove the batteries. Use distilled water to clean the electrode and replace the protective cap.)