Measure the water activity of any sample with the first water activity sensor completely unaffected by volatiles. The 4TDL is best for measuring the water activity of volatile products, including soy sauce, alcohols, flavorings, some spices, and black tea. It also works well for measuring products with high concentrations of volatile ingredients (flavored teas, sauces and dressings, pharmaceuticals).

The AQ1 is an affordable, entry-level water activity meter with connections. Learn how it can save you from start-up pitfalls and juice your growth.