An electric tester for testing pH and chlorine (Cl2) levels in water for routine monitoring of pH and chlorine levels of swimming pools, spas and various water sources. Chlorine content within the safe measuring range: 2 to 1.7 ppm for chlorine and, pH within the safe measuring range: 7.2 to 7.8 for pH A large screen displays the test result on pH and chlorine level for easy and accurate reading. Wide application: This pH meter is very suitable for various tasks, such as swimming pool, tap water, home brewing, laboratory testing, aquarium maintenance, etc. Electric tester for testing pH and chlorine (Cl2) levels in water. It is used to regularly monitor the pH and chlorine content of swimming pools, spas and various water sources. Size: 190 x 120 mm (main unit); 150 mm long (probe with handle); 48 mm long (probe only without black strip); 130 mm long (cable only) 1. Remove the device from its packaging. 2. Rinse all removable components with warm, soapy water. 3. Insert a test strip into the device. 4. Immerse the test probe until the desired value is reached. 5. The device will automatically display pH chlorine test results. 6. Refer to the instruction manual for correct interpretation of the results.