International trade links offers phscan 2, a smart ph tester. Ph is the most common electrochemical parameter measured in the world. Some of these are electroplating, chemical, brewing printing and colour separation process, textile, waste water treatment. Phscan 2 is a popular microprocessor based ph tester in its size and class. With its application specific integrated circuit [asic], its response is fast, stable and repeatable. Multipoint calibration capability and automatic temperature compensation [atc] deliver â±0.1 ph accuracy.