General Description: The pH meter is a 5-in-1 device compatible with water quality testing that can measure pH, TDS, EC, salinity, and temperature simultaneously with high accuracy. It allows for a complete assessment of water quality to ensure its safety. Technical Specifications: 4-in-1 function compatible with multiple measurements; High-quality titanium alloy probe; Automatic Temperature Compensation (ATC); IP67 waterproof rating, water and dust resistant; Automatic shut-off function after 5 minutes of inactivity. Compatibility and Accessories: This pH meter is ideal for use in various environments such as: Swimming pools; Aquariums; Spas; Hydroponics; Laboratories; Drinking water. Installation: For optimal use, follow these simple steps: Ensure the probe is clean before use. Submerge the probe in the water to be tested. Wait a few seconds for the reading to stabilize. Usage: Use this pH meter to: Monitor water quality; Perform regular tests in aquatic environments; Ensure drinking water safety.