The centauri carbon has a chamber thermistor that is mounted to the frame with a steel screw and plastic spacer. The steel screw is thermally conductive enough to significantly skew chamber temperatures colder. I found that the built in chamber temp sensor read 5-7 C colder chamber heater's thermistor, however this discrepancy disappeared when the chamber temp sensor was not screwed directly into the frame.  This printed adapter allows the thermistor to be screwed into a plastic mount to eliminate conduction to the frame and give more accurate chamber temperature readings.

The picture shows a slightly modified version that has an extra mount for the chamber heater thermistor but the one here is the same idea- screw the lower side into the frame, and use an m3 screw to screw the thermistor to the deeper hole.