What is the function of the ITT gauge?

The function of the ITT gauge, which stands for Interstage Turbine Temperature gauge, is to monitor the temperature of the gas in the turbine engine between the first and second stages of the turbine. This measurement is crucial because it helps ensure that the engine operates within safe thermal limits, allowing the engine to maintain efficiency and performance. Monitoring the inter-stage turbine temperature is key for preventing overheating, which could lead to engine damage or failure. By keeping track of this temperature, pilots and maintenance crews can make informed decisions about the operation and management of the turbine engine, supporting overall safety and reliability.