A new and distinct cultivar of Chrysanthemum plant named \u2018Prima White\u2019, characterized by its compact, upright, outwardly spreading and rounded plant habit; freely branching habit; dense and full plant habit; uniform, freely and early flowering habit; and decorative-type inflorescences with white-colored ray florets. Each of the one or more tethers is attached at its first end to the body frame portion, and at its second end to a collar that couples the second end of each of the multiple tethers to the support wire. Each sensor has a body that defines an electromagnetic resonator.