- Fast and Accurate Measurements : This pH meter delivers quick, precise results without the need for color charts or messy test strips. With a resolution of 0.01 and an accuracy of 0.05, it measures pH levels from 0 to 14 and comes factory calibrated. Safe chlorine levels range from 1.2 to 1.7 ppm, with pH values comfortably between 7.2 and 7.8. - Compact and Portable Design : The handheld pen-style design and compact case make this pH meter easy to carry in your pocket or bag. Its built-in Automatic Temperature Compensation (ATC) ensures accurate pH readings across a wide temperature range of 0 °C to 80 °C (32 °F to 176 °F), eliminating concerns about test fluid temperatures. - Versatile Applications : This pH meter is ideal for various tasks, including monitoring swimming pools, tap water, home brewing, laboratory tests, and aquarium maintenance. It effectively tests both pH levels and chlorine (Cl2) in water, ensuring you can efficiently manage the water quality in diverse settings. - Essential for Water Quality Management : Recommended chlorine levels for swimming pools and spas are between 1.2 to 1.7 ppm, with pH levels between 7.2 and 7.8. This digital water quality monitor is a must-have tool for quickly and accurately measuring pH and chlorine levels, ensuring your pool or spa water is safe, comfortable, and non-corrosive.