Low contact clamp for non-invasive process fluid temperature indication

A process fluid temperature estimation system includes a sensor enclosure in which a temperature sensitive element is disposed, the temperature sensitive element configured to sense an outer surface of a process conduit. The process fluid temperature estimation system includes a measurement circuit coupled to the sensor enclosure and configured to detect a temperature-dependent characteristic of the at least one temperature sensitive element and provide sensor enclosure temperature information; and a controller coupled to the measurement circuitry, the controller configured to obtain a reference temperature and generate an estimated process temperature output using the reference temperature and the sensor enclosure temperature information using a heat transfer calculation. The process fluid temperature estimation system includes a mounting assembly configured to mount the process fluid temperature estimation system to an outer surface of the process conduit, with a portion of the mounting assembly offset from