Acceleration temperature composite sensor. This series of acceleration sensors is a vibration and temperature dual output composite sensor, with a stainless steel housing, laser welded sealing, strong reliability, and a double-layer screen with strong anti-interference ability, suitable for long-term reliable operation in various harsh environments. Dual parameter monitoring of vibration and temperature for gears, bearings, and transmission shafts in industrial rotating machinery, rail transportation, intelligent ships, and other transmission systems.