#$%^&*AU2013228063A120150319.pdf#####Abstract A hydration monitoring device and system for recording and controlling an individuals hydration includes an improved fluid flow sensor configured to measure a quantity of fluid transferring from a reservoir to a user in a first fluid flow direction only.7/8 72 36 44 35- 3 30-66 34F- -90 73 FIG. 8 90 73--6 65 FIG. 9