The Water Activity, mainly reflects the amountof free water in the state of food balance, the stability of food and thepossibility of microbial reproduction, and the chemical, enzyme and physicalchanges that can cause the change of food quality. It is often used to measurethe dryness enduring ability of the microorganisms. By measuring the wateractivity of food and selecting reasonable packing and storage methods, the useof preservatives can be reduced and the shelf life of food, grain and fruitsand vegetables can be judged. The WA-160A can be used to measure the wateractivity of foods. No matter when and where you need to measure water activity,WA-160A water activity meter is your unique choice.