Industrial self-validating thermocouples
Temperature sensors are commonly used to maintain optimal thermal conditions for high-value manufacturing processes, such as heat treatment of aircraft components. Unavoidable calibration drift reduces measurement accuracy over time, so conventional thermocouples require frequent replacement, which interrupts production and adds significant labour costs. Calibration systems used in laboratories could provide confidence and extended lifetimes but were too large to be integrated into industrial processes.
CCPI Europe, a subsidiary of The Marmon Group - a Berkshire Hathaway Company, that offers temperature measurement solutions, saw potential cost savings for its customers in the heat treatment market, so decided to commercialise a slimline self validating thermocouple developed by NPL.