Why is the effect of electromagnetic radiation shielding with wire mesh?
My home next to 20 meters is 500 kV high voltage power grid, so I first measured under the line, and then home to the test, should be the frequency of magnetic field
Do not believe ah, this can drop, who also buy shielding materials ah; direct purchase of barbed wire on the line.
Barbed wire used to block high-frequency radiation, you say that the high-voltage line that belongs to the frequency magnetic field and power frequency electric field, is not blocked
Living environment rarely have high-frequency equipment, so the high frequency magnetic field component is very small, 0.5 has been very small, unless the professional equipment is difficult to distinguish, so the change can not be measured.
