The Water Activity Humidity Sensor – Rotronic WA-1 from Rotronic is engineered for accurate, dependable performance, offering measuring Range: -50…170 °C, 0…100 %rh, capacitive Humidity Sensor, and water activity measurement Pharmaceutical and food industries Quality assurance food manufacturing. A capacitive polymer humidity sensor is a special type of humidity sensor based on the use of polymeric materials to detect changes in humidity. The sensors utilize the properties of polymers that react to moisture and thereby influence the capacitance of the sensor. The evaluation electronic convert the capacitive value into humidity value.
