Planning Lead Wires and Connection Points for a PI Heater

https://industrial-heater-lab.cloudhinter.com/posts/how-to-select-a-mica-heater-for-industrial-heating-applications

In sensors, a pi heater must deliver heat in a controlled way. It uses a thin resistive foil circuit laminated in polyimide film. One useful trait is fast response. Still, local hot spots can change the result