A piezoelectric temperature & vibration composite sensor is a multi-parameter device that integrates a vibration sensor and a temperature sensor within a single compact housing. Designed to capture both vibration and thermal conditions at the same measurement point, it offers an efficient, unified approach for real-time equipment monitoring and predictive maintenance. With its combined sensing capability and easy installation, it is ideal for machine operation monitoring, preventive maintenance setups, and embedded vibration-temperature diagnostics.