Humimeter RH2 Water Activity Meter Full Kit- Part code:12005/13700Handheld laboratory device (thermo hygrometer) for measuring Aw value (water activity) of foods such as flour, salts, spices, dried foods. This measurement is important when considering factors such as the shelf life of a food product. This is because different microbes grow at different Aw value levels and the measurement helps to determine the microbial stability of a food product. Most micro organisms grow at Aw levels above 0. 90 (with only