Beautly Digital PH Meter PH Meter 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking Pool and Aquarium Water PH Tester Design

Specification:     100% Brand New and High Quality!     Color:Yellow&Black     Measure Range: 0.00-14.00PH     Resolution: 0.01ph     Accuracy: +/- 0.05ph     Size: 155x31x18mm     How to use:1.Remove the protective cap.2.Rinse the electrode with distilled water, and dry it with filter paper.3.Turn on the meter, immerse the electrode into the test solution.4.Stir gently and wait for the reading to stabilize.5. Turn off the meter after use, rinse the electrode and dry it with filter paper Note:     Please allow 1-5mm errors due to manual measurement.     Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Package included:     1 x Pen-type PH meter     4 x Ph buffer powder