Digital pH Indicator Pen

Minimum Purchase:
1 unit


Accurately determine the acid level of documents and papers with the sophisticated chemistry of this digital indicator pen. Simply draw a line on a paper sample and match the resulting color against the color bar on the pen’s barrel for instant pH readings from 1.0 to 12.0. Works like a felt tip marker. Pen is ½” in diameter by 5-18” long.


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