- In transparent plastic dispensers, for determination of pH values of colorless liquids
- Tests are made by dipping a strip of the paper in the liquid to be tested and comparing the color with a chart in the comparator
- Dispensers contain two 15’ rolls of 1/4” wide test paper
Replacement test papers are packed in heat sealed aluminum foil and tightly secured in a plastic case. Refills include five 15’ rolls of paper and two color charts. Fit single and dual roll dispensers.