Sea water conductivity cell
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 23, 1981
Grant Date -
N/A
app pub date -
Mar 5, 1979
filing date -
Mar 5, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The conductivity cell consists of a first set of electrodes fixed rigidly to a second set of electrodes. Each set of electrodes has an insulating material support with an electrode well through it, and three spaced electrodes positioned sequentially within the well. In one embodiment, the support is a glass tube and the three electrodes are deposited on the inner surface of the glass tubes. In a further embodiment, the three electrodes are washer shaped conductive strips fixed within the electrode well and spaced by two washer shaped non-conductive strips also fixed within the electrode well. Each set of electrodes further includes a glass tubing fixed within the electrode well between each outer electrode and the outer end of the electrode well. In another embodiment, washer shaped electrodes are recessed in the wall of the electrode well such that the surface of the strips are flush with the electrode well surface. The two outer electrodes are electrically connected together as well as electrically insulated from the center electrode. The two outer electrodes carry current through the sea water between the wells while the center electrode in each well is a voltage electrode. The two wells may be substantially parallel and the cell may further have a temperature sensing device.
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