Hot runner systems used in medical, automotive, and aerospace fields must pass strict system qualification and process validation, in which thermocouples play an irreplaceable role. Temperature data is one of the core parameters for proving process stability and repeatability.
During qualification, thermocouple data is used to record temperature uniformity, stability, rise time, and long-term drift. These data must be accurate, traceable, and repeatable to meet regulatory requirements. Using uncalibrated or low-precision thermocouples will directly lead to qualification failure.
Many quality management systems require regular calibration records of thermocouples. As a key measuring component, their performance directly determines whether the entire hot runner system meets production and regulatory standards.
