• High-precision
• More accurate

• Can not indicate the Acid or alkali solution when its density was lower than 0.01%.
• Keep dry for the rest paper.

• 1 x 5.4-7.0 pH Test Paper

How to use:

    drop the desired test liquid or dip it on the PH test paper, almost without waiting to be reflected and displayed, and then compare it with the attached standard color card to get the pH value.

What is a precision test paper?

   Usually used in a wide range of test paper, the measuring range of this test is 1 - 14, it can only be roughly measured water pH. The precision pH test paper can be accurate to pH decimal point after one.