Abstract: A measuring arrangement is disclosed that ensures safe installation and removal of a sensor relative to a wall of a measuring volume. The sensor is movably arranged in a mounting adapter that is fixedly arranged in the wall. The sensor is held in the mounting adapter by the connection of a coupling ring to the mounting adapter. A recess is provided for guiding a peg element. The position of the peg element in the recess is adjustable in, or counter to, the insertion direction of the sensor by a rotary and/or insertion movement of the coupling ring. The sensor and coupling ring are movable together by pressurization so that the peg element is arranged in a first locking position when pressurization by the medium is present in the measuring volume.

Abstract: A measuring arrangement includes a sensor fastened to a measuring volume by a mounting adapter and a coupling ring. The sensor penetrates a wall of the measuring volume. The mounting adapter is fixedly arranged in the wall. The sensor is movably arranged in the mounting adapter. The coupling ring is connected to the sensor. The sensor is held in the mounting adapter by the connection of the coupling ring to the mounting adapter. A recess is provided for guiding a peg element. The position of the peg element in the recess is adjustable in, or counter to, the insertion direction of the sensor by a rotary and/or insertion movement of the coupling ring. The sensor and coupling ring can be moved together by pressurization so that the peg element is arranged in a first locking position when pressurization by the medium is present in the measuring volume.