Digital pH Meter with ATC PH Tester 4 in 1 pH TDS EC Temp 0.01 resolution TesterOOTDTYoottyFeatures: 4-in-1 PH tester, can accurately measure PH, TDS, WE and temperature value; Know the quality of the water clearly to ensure that your family members are healthy. It uses a 3-point method of calibration, calibration, and electrodes to solutions with a pH of 4.00, pH 6.86, and pH 9.18 to ensure you can mention them in a review of your measurements. After calibration, insert the electrode into the solution you want to test, and get the data immediately; Before the next test, wash the probe thoroughly; Or you may get an inaccurate reading. With high sensitivity glass probe, full measuring range of PH meter 0-14pH, resolution 0.01 PH. Pocket-sized and multifunctional make the PH Tester ideal for daily use; Buy one for family members or friends as a gift. Specification: Material: ABSDeach: 23.5x8x 5cm/ 9.25x3.15x1.97 wTDS/EC Measurement Range: 20000ppm/mu; sPH Measurement Range: 0.01-14Accuracy: ± 0.05Resolution: 0.01Waterproof: IP67Battery: 1.5vx3 (Included)Package Included: 1x Digital ph-meter3x Powder SolutionNote: Please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.