Bimetallic thermometer in addition to the axial and radial, universal type, and which installation way?

As is known to all, bimetallic thermometer has axial type, radial type, universal type three kind of installation method. Axis type axial: detecting element and perpendicular to the plane in the form of the radial type dial: detecting element axis parallel to dial plane in the form of a universal type: in addition to have the functions of axial model and universal model, and by the axial type for the radial type, or by the radial type into axial type can be arbitrary Angle of stepless adjustment by the user. So, do you know the bimetallic thermometer in addition to the axial and radial, universal type, what other installation way? See below, in addition to those common, there are left interface, interface, right down, to meet some special requirements of customers.