How to Test Wafer Heater Before Putting It Into Service

https://thermal-elements.theglensecret.com/materials-and-mounting-choices-for-a-kapton-heater

Choosing and using A wafer heater is easier when the thermal job is clear. The heater is only one part of the system. The surface, sensor, wiring, insulation, and control method all work together. Small details can change the result