A nondestructive complementary split ring resonator (CSRR), working in the 0.5 to 6 GHz frequency range, is presented this work. Three CSRR designs, on same 5 mm by footprint, with different internal dimensions were designed, fabricated, and measured. The results demonstrate a large shift resonant frequency, up 2.544 GHz, over broad relative permittivity range from 1 80, penetration depth, 7 mm...