Abstract: An intermediate assembly for a temperature measuring device comprises: a temperature sensor including a measuring cell and two metal branches, two electrical connection pins each having an attachment portion and a connection portion, both of the metal branches respectively being electrically linked to both of the electrical connection pins, at their attachment portion; the attachment portions of the two pins extending in a main plane and an end of the measuring cell occupying a predetermined position with respect to a reference point of the electrical connection pins, a plastic casing formed by at least two inserts positioned against the electrical connection pins, on either side of the main plane, the casing defining a clamp to hold the measuring cell along at least one transverse axis normal to the main plane.