![]() This is a Portable Water Activity Meter, with a Weight of Onlyġ00g, Lighter than a Mobile Phone & a Precision of 0.A Water Activity of 0.80 means that the vapor pressure of the food is 80% that of pure water. Water activity meter, indicates the free water content when food is stable, measures the possibility of microbial proliferation. Suitable for measuring material like butter, fruit mix. It is actually a ratio between the vapor pressure of the food itself when in a completely undisturbed balance with the surrounding air media & the vapor pressure of distilled water under identical conditions. Portable Instrument for determination of water activity (aw value) of food with data log functions. 5 n Microbial Growth n Chemical/Biochemical Reactivity n Physical Properties. Water activity influences the shelf life of a product and affects texture, odour. Water activity for product safety and quality. This type of measurement is also a good indicator of when the product is ready for packaging. The measurement of water activity in food is of paramount importance. By measuring the water activity of food and selecting reasonable packing and. Manufactures of food & pharmaceutical products measure water activity to show when the water activity of their product has declined to a point where bacteria can no longer grow. It is often used to measure the dryness enduring ability of the microorganisms. This can lead to clumping, changes in consistency & reduced shelf life. If there is “too much” water in a food product, there is a risk of microbial growth & water migration.
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