Easy-to-use water quality pocket Tester Kit features everything needed for water testing and measurement. Reliable pocket Tester with interchangeable sensors for pH and chlorine allows you to be flexible in the field. Bundled calibration solutions and sample cups give you all the necessary accessories to begin taking readings. Additional Tester features include a built-in SMART chip that simplifies calibration and error diagnosis. Lcd simultaneously shows ppm or pH, and °F/°C temperature. An analog bar graph of measured values lets you view reading trends. Waterproof, ip57-rated Tester Floats in water. What's included: pocket Tester; pH and chlorine sensors; protective sensor cap; 50 chlorine reagent tablets; plastic sample cups; weighted stand; pH 4, 7, and 10 buffer Pack; neck strap; carrying case; and batteries. Everything needed for pH, chlorine, and temperature measurement in one convenient Kit interchangeable flat surface electrodes work in liquids, semisolids, and solids SMART chip informs you when to calibrate or replace your meter built-in memory recalls up to 15 labeled readings.