Magnetostrictive principle of OKet automatic tank gauge (ATG) system скачать в хорошем качестве

Magnetostrictive principle of OKet automatic tank gauge (ATG) system

During measurement, the control system first generates an electrical pulse on the waveguide wire, creating a ring-shaped magnetic field around it. This field interacts with the magnetic field of the float’s magnet, producing a small torsional wave on the waveguide wire. The wave then travels along the waveguide to both ends. When it reaches the signal pickup coil, the coil can detect this change in the magnetic field. Since the wave propagation in a fixed medium is constant, the time taken from the emission of the electrical pulse to the detection of the changing magnetic field indicates the float’s distance from the pickup coil, thus reflecting the liquid level accurately.