DEVICE MEASURING INTENSITY OF MAGNETIC FIELD Russian patent published in 2002 - IPC

FIELD: measurement technology. SUBSTANCE: expansion of functional capabilities of device measuring intensity of magnetic field is achieved by addition of low-frequency filter and differentiator, null detector, pulse distributor connected in series to device incorporating first generator of rectangular pulses, ferrosonde comprising compensation and excitation windings wound on nonmagnetic core and core having rectangular hysteresis loop correspondingly connected in series opposition and embraced by measurement winding, amplifier and logic AND gate, pulse counter and digital-to-analog converter connected in series, RS flip-flop and controlled power supply source. EFFECT: expanded functional capabilities of device. 3 dwg