It can measure the pH of surfaces such as paper, wood, and concrete, and is effective even with small sample sizes.
You can easily measure pH by applying the pH pencil to the object and pouring water on it. Measurement range (pH): 0 to 13
Size (mm): φ10×116
Color chart: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
Quantity: 1 piece
