Patent ID: 8555706
Filing Date: 2013-10-15
Classification: G01N

Abstract:
1. A falling speed measuring sensor for a falling body viscometer which is utilized in the falling body viscometer for causing a falling body to fall into a measured substance accommodated in a tubular measuring container, measuring a falling speed of the falling body by means of the falling speed measuring sensor, and measuring a viscosity of the measured substance by using the falling speed, the falling speed measuring sensor comprising: a first coil pair disposed on an outer periphery of the measuring container, separated from each other in a vertical direction, electrically connected in parallel, and provided to have different polarities from each other; and a second coil pair disposed on the outer periphery of the measuring container, separated from each other in the vertical direction, electrically connected in parallel, provided to have different polarities from each other, and arranged below the first coil pair by a specified distance, wherein the falling speed measuring sensor is configured to determine: