The invention relates to a measurement electrode arrangement for detachable fastening to a flexible carrier material in the form of a band, a head cap or similar means having a contact side and a connection side, which connection side is provided with an electrical contacting element, wherein projecting from the contact side is formed an absorbent insert, in particular a felt insert. The invention also relates to a fastening part that secures the absorbent insert. According to the invention, the fastening part consists of a sintered silver chloride material or includes such a material, the absorbent insert being exchangeably screwed, pushed, snapped, pressed and/or clamped into the fastening part. Furthermore, on the contact side, a mechanical stabilization device is provided which surrounds the absorbent insert and which is in the form of a sleeve and/or spider leg-like projections.
