Profile: Decagon Devices, Inc. specializes in soil moisture and thermal product. Our products include water activity, soil moisture, water potential and canopy monitoring services. Our The AquaLab 4TE water activity meter has internal temperature control which allows choosing a measuring temperature between 15 to 50 degrees C. The AquaLab 4 is used in accelerated shelf-life studies, isotherm studies, and studies determining the effects of temperature on a sample aw. Our leaf wetness sensors determine the presence and duration of canopy wetness. The leaf sensor measures the die electric constant, and the presence of water and ice over the leaf may be detected. It consumes low power, and enables long term monitoring.