Back to results
US 5,397,452 AGranted
Reference electrode
AssigneeHach Company
InventorsMichael D. Buck, Steven Zelenak, John R. Dunkle, Gary W. Johnson, James D. McWilliams
Life of this patent
Estimating the term…
Abstract
A reference electrode including a body, a supply of flowable gel electrolyte, a wire electrode, and a tube for the electrolyte. The electrolyte is preferably contained in a cartridge within the body of the electrode and is capable of being dispensed into the tube in very small, metered, amounts, as needed.
Claims7
A reference electrode comprising:
- (a) an elongated body member;
- (b) an elongated tube supported by said body member;
- said tube including first and second ends;
- wherein said tube includes a loop of at least 360.degree. between said first and second ends;
- wherein said second end is open;
- (c) a wire electrode positioned in said tube;
- and
- (d) a supply of flowable gel electrolyte which is in communication with said first end of said tube;
- wherein said electrolyte fills said tube and is in contact with said electrode.
6 more elements
Dependencies are inferred from the claim text.