15/10/2026
Accurate dry matter testing plays an important role in understanding potato quality and how your crop will perform during processing.
The PW4 Digital Hydrometer makes testing quick, simple and accurate by automatically calculating dry matter content, starch percentage, underwater weight and specific gravity from a potato sample.
With instant results, built in data storage and USB export for further analysis, the PW4 makes it easy to test, record and monitor potato quality.
Discover more about the PW4 Digital Hydrometer at martinlishman.com or give us a call