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An exhaust gas temperature gauge (EGT gauge or EGT sensor) is a meter used to monitor the exhaust gas temperature of an internal combustion engine in conjunction with a thermocouple-type pyrometer. EGT gauges are found in certain cars and aeroplanes. By monitoring EGT, the driver or pilot can get an idea of the vehicle's air-fuel ratio (AFR).
Oil temperature gauge - Indicates the engine oil temperature. Oil pressure gauge - Indicates the supply pressure of the engine lubricant. Exhaust gas temperature (EGT) gauge - Indicates the temperature of the exhaust gas just after combustion. If only one reading is provided, it measures the typically hottest cylinder's exhaust.
EICAS typically includes instrumentation of various engine parameters, including for example speed of rotation, temperature values including exhaust gas temperature, fuel flow and quantity, oil pressure etc. Other aircraft systems typically monitored by EICAS are for example hydraulic, pneumatic, electrical, deicing, environmental and control ...
In aircraft gas turbine engines, "exhaust gas temperature" (EGT) is a primary measure of engine health. Typically the EGT is compared with a primary engine power indication called "engine pressure ratio" (EPR). For example: at full power EPR there will be a maximum permitted EGT limit.
At the same time, the exhaust gas temperature of the #3 engine (the inboard engine on the starboard wing) rose to 750 °C (1,380 °F), exceeding the takeoff limit of 650 °C (1,202 °F). [2] With the first officer still flying, the captain retarded the #3 engine throttle to idle, which stopped the temperature rise and aircraft vibration.
The GEA unit measures a large variety of engine and airframe parameters, including engine RPM, manifold pressure, oil temperature, cylinder head temperature, exhaust gas temperature, and fuel level in each tank. This data is then provided to the integrated avionics units.