Achieve the highest accuracy and repeatability possible for measuring the moisture of construction aggregates and fresh concrete. The SONO-series probes and sensors are designed for years of worry-free operation! The SONO series is based on 25 years of sensor development know how, customer relations and manufacturing experience. SONO moisture probes and sensors are designed for accurate measurements of aggregates, fresh concrete, RAP, and other construction materials.With special attention placed on the material and construction of the SONO series probes and sensors, each device is tailored for its unique intended application. Furthermore, the probes and sensors are tailored for both on-line or portable functionality.