The acidity value detectors detection pen supports a acidity ranges of 0-14 and accuracy of up to ± 0.01 Suitable for multiple occasion such as laboratory and home drinking water, it solve the measurement needs of users for the acidity and alkalinity of different liquids Using ABS shell to ensures long time use without easy damage Suitable for laboratories or industrial site that require frequent use, reducing replacement frequency and lowering usage costs Equipped with automatic calibration function, not complex setting required, calibration can be completed with clicking Suitable for users without professional knowledge, easy to use, meeting the needs of daily household use and educational teaching occasion, making acidity measurement simple and easy to implement Automatic calibration function simplifies operations for beginner while meeting professional standards in industrial environment The small size is like a regular pen, making it easy to carry around Suitable for water testing during outdoor activity and travel, helping users quickly understand water conditions in various environment and ensures health and, Manufacturer: Whoasyst