The Aysix-Sage Thermal Mass Flow meters use a proprietary digital hybrid circuit sensor that delivers no drift and improved performance, resolution, and reproducibility; eliminating the traditional analog Wheatstone bridge. This feature eliminates analog drift, improving stability and long term reproducibility. With a reproducible zero flow point, permitting simple and reliable calibration verification., and maintaining a higher resolution providing greater range-ability. Digitally-driven temperature sensor eliminates self-heating errors.