Applications: This water activity meter can measure the water activity of bread, biscuits, pastries/puffed foods/baked goods, snacks, etc. Indication Functions: The water activity meter features automatic shutdown, manual shutdown, and low-voltage alarm indication. It connects to a computer via USB data output. Portability: Weighing only 100 grams, this water activity meter is lightweight and portable, making it ideal for on-the-go use. The integrated sensor and reading display make it easy to use. Water Activity Meter Working Principle: A water activity meter accurately measures the water activity in food, grains, fruits, and vegetables, thereby determining the chemical, enzymatic, and physical changes in food quality. Service: If you have any questions, please feel to contact us, and we will reply within 24 hours!