A mounting arrangement for introducing a field device into a container, wherein the field device comprises a housing and a sensor , wherein the sensor of the field device projects at least partially into the container, and wherein the field device serves to determine and/or monitor a physical or chemical process variable of a medium in the container, comprising a connection adapter comprising a cylindrical base body on which the following components are arranged: a. a first fastening element for fastening the connection adapter to the field device , wherein the connection adapter can be fastened to the field device in such a way that the connection adapter at least partially surrounds the field device when it is fastened to the field device , b. a second fastening element for fastening the connection adapter to a container adapter , wherein the connection adapter can be fastened to the container adapter in such a way that the container adapter at least partially surrounds the connection adapter when it is fastened to the connection adapter , c. a first seat of the connecting adapter for receiving a sealing element on an end surface of the base body , and a sealing element , wherein the sealing element is configured such that it can be received on the seat of the connection adapter and wherein the sealing element is arranged in contact with the medium when the field device is introduced into the container. a connection adapter comprising a cylindrical base body on which the following components are arranged: a. a first fastening element for fastening the connection adapter to the field device , wherein the connection adapter can be fastened to the field device in such a way that the connection adapter at least partially surrounds the field device when it is fastened to the field device , b. a second fastening element for fastening the connection adapter to a container adapter , wherein the connection adapter can be fastened to the container adapter in such a way that the container adapter at least partially surrounds the connection adapter when it is fastened to the connection adapter , c. a first seat of the connecting adapter for receiving a sealing element on an end surface of the base body , and a. a first fastening element for fastening the connection adapter to the field device , wherein the connection adapter can be fastened to the field device in such a way that the connection adapter at least partially surrounds the field device when it is fastened to the field device , b. a second fastening element for fastening the connection adapter to a container adapter , wherein the connection adapter can be fastened to the container adapter in such a way that the container adapter at least partially surrounds the connection adapter when it is fastened to the connection adapter , c. a first seat of the connecting adapter for receiving a sealing element on an end surface of the base body , and a sealing element , wherein the sealing element is configured such that it can be received on the seat of the connection adapter and wherein the sealing element is arranged in contact with the medium when the field device is introduced into the container. <EOS>