For water activity measurements in bulk materials such as flour, grain, spices, etc. For solid and pasty products such as meat, sausage as well as oils, fats, etc. Features • Measurement range: 0…1 aw (0…100 %rh), -40…85 °C • On/Off switch • UART interface for direct connection to a PC • Power supply via UART interface • Adjusted at 23 °C and 10, 35, 80 %rh