G - Physics – 01 – N
Patent
G - Physics
01
N
73/59
G01N 21/51 (2006.01) G01N 21/53 (2006.01)
Patent
CA 1199199
-20- ABSTRACT OF THE DISCLOSURE An apparatus and method for determining the percentage of solid particles in a suspension (consistency) is provided. A source of diffused radiant energy is provided which energy is directed toward a suspension to be measured. The portion of the energy which is forward- scattered by the suspension is detected and a first signal indicative of the magnitude of the forward-scattered energy is produced. The portion of energy which is back-scattered by the suspension is detected and a second signal indicative of the magnitude of back-scattered energy is produced. The first and second signals are combined at a predetermined ratio to produce a feedback signal used to control the intensity of energy emitted from the radiant energy source. The intensity of energy emitted from the source is a function of the forward-scattered and back-scattered energy and is directly proportional to the consistency of the suspension being measured. By monitoring the power driving the radiant energy source, a display calibrated in terms of percent consistency can be provided.
442804
Ridout & Maybee Llp
St. Regis Corporation
LandOfFree
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