Passive Wireless Sensing of Micro coil parameters in fluidic environments

► We measure wirelessly the inductively coupled system in presence of fluids. ► We develop a frequency dependent analytical model of the coupled system. ► We measure and wirelessly micro coils parameters for the first time in fluids. ► Results shows among tested fluids distilled water is a bad choice due to its polarization effect and increase the resonance frequency of the reflected signal.