Water Quality Tester Water Quality Tester PH Automatic Residual Chlorine Tester PH Water Tester Chlorine Analysis Swimming Pool Test Kit <p>Measuring Range - The meter can get results quickly and accurately without using color charts or messy test strips. It has a resolution of 0.01, an accuracy of 0.05, chlorine content within the safe measuring range: 1.2-1.7 ppm. pH value within the safe measuring range: 7.2-7.8.</p><p>Water Quality Tester - For testing pH and chlorine levels for swimming pools and spas. When measuring the chlorine value, you need to match the standard solution with a CL value of 1.5 ppm.</p><p>Miniature Design - Lightweight and easy to carry, since the pH meter has built-in automatic temperature compensation (ATC), it no longer needs to take care of the temperature of the test liquid, so it can accurately determine the pH of the sample at any temperature within the range of 0 ° C to 80 ° C (32 ° F to 176 ° F), very practical.</p><p>Standard - Recommended chlorine level for swimming pool and spa: 2 to 1.7 ppm and 7.2 to 7.8 ph for the PH level for swimming pool and spa.</p><p>Application - It is used to regularly monitor the pH and chlorine content of swimming pools, spas and various water sources.</p>