Abstract: Method and apparatus for continuous measurement of liquid flow velocity, where there are positioned risers between respective line light sources and where between the risers there is positioned at least one CCD image sensor. The risers are joined together at one end thereof and are connected with the surroundings via a valve. At the other end, the risers are connected with a liquid stream supply line via three-way valves. The three-way valves are joined together via a return outlet with the return line for the liquid stream.
Type:
Grant
Filed:
November 2, 1992
Date of Patent:
August 2, 1994
Assignee:
Metron AS
Inventors:
Br nd Dag A., Knut Bonvik, Svein Wognild