THREE-POSITION REGULATOR OF THE LIQUID DENSITY Russian patent published in 1994 - IPC

FIELD: measurement technology. SUBSTANCE: first and the second accelerating loads fixed on the first and second drums on the radius having the greatest deviation from the vertical at the moment of touching the probes and approaching the vertical at the end of the measurement cycle are introduced into the regulator. EFFECT: enhanced quality of regulation at the expense of decreasing gaps at the borders of extreme positions. 2 dwg