YY-1030 Bluetooth Digital Display Infant Complementary Food PH Meter PH Dough Cosmetics PH Detector Product This product is composed of pH m, dissolved solids/Earth Current /thermometer, instructions and a set of pH calibration warehouses 4.00, 6.86 and 9-18. Accuracy: pH value m 0.1, dissolved solids: 2-5% per million, European Commission: 2-5% S/cm, thermometer: 0.1 C ( 0.2 F) In order to obtain the results quickly, just the pH value or dissolved solid in the solution test and gently stir it to a stable reading. Your pH, dissolved solids or Earth Current measurements will be displayed on the digital screen. Properly store dissolved solids to ensure accurate measurement of indoor pH and temperature in a dry place. Handle pH meter with glass detector carefully Features: with protection; Lightweight, handheld design for portability and convenience 1*YY-1030 Bluetooth digital display infant complementary food PH meter PH dough cosmetics PH detector