Oxford RF Sensors Inc., Nashville, TN, is developing an intelligent dipstick that is self-calibrating and provides simultaneous measurement of fluid level and fluid condition. The RF sensor provides fluid level measurement, independent of changes in temperature and composition, to 0.1% accuracy and measurement of changes in fluid composition to 100 ppm. Sensors are available as both rigid and flexible probes that can measure level or volume in irregular-shaped tanks. Sensors are configured to provide specific information on fluid condition, e.g., detecting water contamination or oxidation. The sensor design is available for license.
Intelligent Dipstick from Oxford RF Sensors
Oxford RF Sensors Ltd.