Testing Temperature Uniformity Across a PI Heater Surface

https://telegra.ph/How-Transparent-Conductive-Layers-Are-Used-in-a-Glass-Heater-09-22

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