[vc_row][vc_column][vc_column_text] Tea Moisture Tester Demonstration done by Ravindi Amarasinghe – Assistant Engineer – Testing & Measuring Instruments. Instant Moisture Tester for Coffee Bean and Tea. Kett has developed a variety of highly successful moisture testers for portable use. The PM-650, version 6507 is the latest in our product line and is indispensable for the coffee