The invention relates to a measurement electrode assembly for removable fastening to a flexible carrier material in the form of a belt, a hood or similar means having a mating side and a connection side, which has an electrical contacting element, wherein an absorbent insert, in particular a felt insert, is designed protruding from the mating surface, and a fastening part which fastens the absorbent insert. According to the invention, the fastening part consists of a sintered silver-chloride material or receives such a material, wherein the absorbent insert is interchangeably screwed, pressed, latched, pushed and/or wedged into the fastening part. There is furthermore a mechanical stabilization device on the mating side, enclosing the absorbent insert, which has the design of a collar and/or appendage resembling a spider leg.
